> ## Documentation Index
> Fetch the complete documentation index at: https://tetrafi.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Read the workspace's verification state and the capabilities it allows

> The workspace's KYB state (`workspace.kybStatus`) and, for each capability, whether it is
allowed now or blocked, with each blocker's code and the step that clears it. The quote and
order routes enforce the same decision. An API key needs the `dashboard_read` scope and reads
only the workspace it is bound to.



## OpenAPI

````yaml /api-reference/openapi.json get /api/v1/workspaces/{workspaceId}/capabilities
openapi: 3.1.0
info:
  description: >-
    TetraFi is an API for institutional trading across on-chain and off-chain
    venues: discover assets, request quotes, place an order by quote id and read
    its status. API keys sign every request.


    Asset-pair quotes: every tagged union is tagged by `kind`; only the outcome
    of `/prices` rows and `sources[]` entries is tagged by `status`.
  title: TetraFi API
  version: 1.0.0-beta.1
servers:
  - url: https://api.tetrafi.io
security:
  - api_key: []
tags:
  - description: Request price quotes from multiple solvers for cross-chain transactions
    name: quotes
  - description: Submit, track, and manage cross-chain orders
    name: orders
  - description: Canonical trading pairs and aggregator metadata
    name: trading
  - description: >-
      Authentication — registration, login, SIWE, OAuth, sessions, login
      activity
    name: auth
  - description: Workspace CRUD, settings, members, and team management
    name: workspaces
  - description: >-
      Webhook management — CRUD, secret rotation, test delivery, delivery
      history
    name: webhooks
paths:
  /api/v1/workspaces/{workspaceId}/capabilities:
    get:
      tags:
        - workspaces
      summary: Read the workspace's verification state and the capabilities it allows
      description: >-
        The workspace's KYB state (`workspace.kybStatus`) and, for each
        capability, whether it is

        allowed now or blocked, with each blocker's code and the step that
        clears it. The quote and

        order routes enforce the same decision. An API key needs the
        `dashboard_read` scope and reads

        only the workspace it is bound to.
      operationId: get_workspace_capabilities
      parameters:
        - $ref: '#/components/parameters/WorkspaceId'
        - description: Workspace ID
          in: path
          name: workspaceId
          required: true
          schema:
            type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WorkspaceCapabilitiesResponse'
          description: >-
            Capability snapshot with blockers per capability and
            permission-filtered KYB record facts; failed review reads report
            unavailable while preserving HTTP 200
          headers:
            x-ratelimit-limit:
              description: >-
                Sent only when the request's API key has its own
                requests-per-minute limit: that limit. Sessions, and keys
                without their own limit, never receive it.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-remaining:
              description: >-
                Requests left before this caller is limited: the per-address
                limit's when that limit counted the request, otherwise the API
                key's own remaining allowance. Absent when no finite limit
                counted the request.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-reset:
              description: >-
                Sent with x-ratelimit-limit, only when the request's API key has
                its own limit: whole seconds until that allowance is full again.
              schema:
                minimum: 0
                type: integer
            x-request-id:
              description: >-
                The request's id: the caller's valid `X-Request-Id`, or a
                generated UUID v4. Quote it when asking for support.
              schema:
                type: string
        '400':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: >-
            The request could not be read or failed validation; `error` names
            the cause.
          headers:
            x-ratelimit-limit:
              description: >-
                Sent only when the request's API key has its own
                requests-per-minute limit: that limit. Sessions, and keys
                without their own limit, never receive it.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-remaining:
              description: >-
                Requests left before this caller is limited: the per-address
                limit's when that limit counted the request, otherwise the API
                key's own remaining allowance. Absent when no finite limit
                counted the request.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-reset:
              description: >-
                Sent with x-ratelimit-limit, only when the request's API key has
                its own limit: whole seconds until that allowance is full again.
              schema:
                minimum: 0
                type: integer
            x-request-id:
              description: >-
                The request's id: the caller's valid `X-Request-Id`, or a
                generated UUID v4. Quote it when asking for support.
              schema:
                type: string
        '401':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: Authentication required
          headers:
            WWW-Authenticate:
              description: >-
                Sent when the request presented a bearer token and it was
                refused: `Bearer error="invalid_token"` (RFC 6750 section 3).
                Exchange a new token. A refused API key carries no challenge.
              schema:
                type: string
            x-ratelimit-limit:
              description: >-
                Sent only when the request's API key has its own
                requests-per-minute limit: that limit. Sessions, and keys
                without their own limit, never receive it.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-remaining:
              description: >-
                Requests left before this caller is limited: the per-address
                limit's when that limit counted the request, otherwise the API
                key's own remaining allowance. Absent when no finite limit
                counted the request.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-reset:
              description: >-
                Sent with x-ratelimit-limit, only when the request's API key has
                its own limit: whole seconds until that allowance is full again.
              schema:
                minimum: 0
                type: integer
            x-request-id:
              description: >-
                The request's id: the caller's valid `X-Request-Id`, or a
                generated UUID v4. Quote it when asking for support.
              schema:
                type: string
        '403':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: >-
            An API key without `dashboard_read` (`INSUFFICIENT_SCOPE`), or an
            inaccessible header workspace (`WORKSPACE_SCOPE_MISMATCH`)
          headers:
            x-ratelimit-limit:
              description: >-
                Sent only when the request's API key has its own
                requests-per-minute limit: that limit. Sessions, and keys
                without their own limit, never receive it.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-remaining:
              description: >-
                Requests left before this caller is limited: the per-address
                limit's when that limit counted the request, otherwise the API
                key's own remaining allowance. Absent when no finite limit
                counted the request.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-reset:
              description: >-
                Sent with x-ratelimit-limit, only when the request's API key has
                its own limit: whole seconds until that allowance is full again.
              schema:
                minimum: 0
                type: integer
            x-request-id:
              description: >-
                The request's id: the caller's valid `X-Request-Id`, or a
                generated UUID v4. Quote it when asking for support.
              schema:
                type: string
        '404':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: >-
            `WORKSPACE_NOT_FOUND` - the path workspace is unknown or differs
            from the authenticated workspace; the response is identical
          headers:
            x-ratelimit-limit:
              description: >-
                Sent only when the request's API key has its own
                requests-per-minute limit: that limit. Sessions, and keys
                without their own limit, never receive it.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-remaining:
              description: >-
                Requests left before this caller is limited: the per-address
                limit's when that limit counted the request, otherwise the API
                key's own remaining allowance. Absent when no finite limit
                counted the request.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-reset:
              description: >-
                Sent with x-ratelimit-limit, only when the request's API key has
                its own limit: whole seconds until that allowance is full again.
              schema:
                minimum: 0
                type: integer
            x-request-id:
              description: >-
                The request's id: the caller's valid `X-Request-Id`, or a
                generated UUID v4. Quote it when asking for support.
              schema:
                type: string
        '408':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: The request timed out before a response was ready.
          headers:
            x-ratelimit-limit:
              description: >-
                Sent only when the request's API key has its own
                requests-per-minute limit: that limit. Sessions, and keys
                without their own limit, never receive it.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-remaining:
              description: >-
                Requests left before this caller is limited: the per-address
                limit's when that limit counted the request, otherwise the API
                key's own remaining allowance. Absent when no finite limit
                counted the request.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-reset:
              description: >-
                Sent with x-ratelimit-limit, only when the request's API key has
                its own limit: whole seconds until that allowance is full again.
              schema:
                minimum: 0
                type: integer
            x-request-id:
              description: >-
                The request's id: the caller's valid `X-Request-Id`, or a
                generated UUID v4. Quote it when asking for support.
              schema:
                type: string
        '429':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: >-
            Too many requests. Wait the number of seconds in `Retry-After`
            before retrying.
          headers:
            Retry-After:
              description: >-
                Whole seconds to wait before retrying. Always sent on 429; sent
                on 503 when the wait is known. `details.retryAfter` carries the
                same wait as an ISO 8601 duration.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-limit:
              description: >-
                Sent only when the request's API key has its own
                requests-per-minute limit: that limit. Sessions, and keys
                without their own limit, never receive it.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-remaining:
              description: >-
                Requests left before this caller is limited: the per-address
                limit's when that limit counted the request, otherwise the API
                key's own remaining allowance. Absent when no finite limit
                counted the request.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-reset:
              description: >-
                Sent with x-ratelimit-limit, only when the request's API key has
                its own limit: whole seconds until that allowance is full again.
              schema:
                minimum: 0
                type: integer
            x-request-id:
              description: >-
                The request's id: the caller's valid `X-Request-Id`, or a
                generated UUID v4. Quote it when asking for support.
              schema:
                type: string
        '500':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: Something went wrong on our side.
          headers:
            x-ratelimit-limit:
              description: >-
                Sent only when the request's API key has its own
                requests-per-minute limit: that limit. Sessions, and keys
                without their own limit, never receive it.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-remaining:
              description: >-
                Requests left before this caller is limited: the per-address
                limit's when that limit counted the request, otherwise the API
                key's own remaining allowance. Absent when no finite limit
                counted the request.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-reset:
              description: >-
                Sent with x-ratelimit-limit, only when the request's API key has
                its own limit: whole seconds until that allowance is full again.
              schema:
                minimum: 0
                type: integer
            x-request-id:
              description: >-
                The request's id: the caller's valid `X-Request-Id`, or a
                generated UUID v4. Quote it when asking for support.
              schema:
                type: string
        '503':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
          description: >-
            Current business profile or observation authority is unavailable; no
            capability snapshot is released. A profile that was never readable
            is not this case: its snapshot is released and names
            `KYB_UNAVAILABLE`
          headers:
            Retry-After:
              description: >-
                Whole seconds to wait before retrying. Always sent on 429; sent
                on 503 when the wait is known. `details.retryAfter` carries the
                same wait as an ISO 8601 duration.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-limit:
              description: >-
                Sent only when the request's API key has its own
                requests-per-minute limit: that limit. Sessions, and keys
                without their own limit, never receive it.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-remaining:
              description: >-
                Requests left before this caller is limited: the per-address
                limit's when that limit counted the request, otherwise the API
                key's own remaining allowance. Absent when no finite limit
                counted the request.
              schema:
                minimum: 0
                type: integer
            x-ratelimit-reset:
              description: >-
                Sent with x-ratelimit-limit, only when the request's API key has
                its own limit: whole seconds until that allowance is full again.
              schema:
                minimum: 0
                type: integer
            x-request-id:
              description: >-
                The request's id: the caller's valid `X-Request-Id`, or a
                generated UUID v4. Quote it when asking for support.
              schema:
                type: string
      security:
        - bearer_auth: []
components:
  parameters:
    WorkspaceId:
      description: >-
        The workspace the request acts in. An API key bound to a workspace
        implies it: omit the header, or send that same id (another id answers
        403 WORKSPACE_SCOPE_MISMATCH). A member session must send it (400
        MISSING_WORKSPACE without it).
      in: header
      name: X-Workspace-Id
      required: false
      schema:
        format: uuid
        type: string
  schemas:
    WorkspaceCapabilitiesResponse:
      description: >-
        What the workspace can do now, as the API enforces it. capabilities
        holds one decision per capability: allowed, or blocked with each
        blocker's code, the step that clears it (unlockStep), an estimate and
        the items still due. The quote and order routes apply the same decision
        and refuse with CAPABILITY_BLOCKED and the same blockers in
        details.capabilityBlockers.
      properties:
        account:
          $ref: '#/components/schemas/AccountReadiness'
        capabilities:
          additionalProperties:
            $ref: '#/components/schemas/CapabilityDecision'
          propertyNames:
            description: >-
              A capability: view_indicative_quotes, request_quotes (firm
              quotes), submit_order, establish_counterparty_relationship,
              onboard_direct_users, execute_value_movement,
              create_signing_authority, provision_wallet or activate_solver.
              Viewing never blocks on verification; acting does.


              New values may be added; treat unknown values as other.
            enum:
              - view_indicative_quotes
              - request_quotes
              - submit_order
              - establish_counterparty_relationship
              - onboard_direct_users
              - execute_value_movement
              - create_signing_authority
              - provision_wallet
              - activate_solver
            type: string
            x-extensible-enum: true
          type: object
        informationNeeded:
          description: >-
            The LPs this workspace has a relationship with whose enforced
            serving

            requirements find a fact it has not recorded, with the onboarding
            items

            that supply it. Advisory, never a blocker. `null` when the
            requirements

            could not be read; an empty list when nothing is needed.
          items:
            $ref: '#/components/schemas/LpInformationNeeded'
          type:
            - array
            - 'null'
        lifecycle:
          oneOf:
            - type: 'null'
            - $ref: '#/components/schemas/WorkspaceLifecycleState'
              description: >-
                Where the workspace stands, as the gates read it: onboarding,
                active, suspended, deactivated or archived.
        platformStatus:
          $ref: '#/components/schemas/PlatformStatus'
        screening:
          $ref: '#/components/schemas/ScreeningReadiness'
          description: >-
            The environment's screening sources, so a client can tell whether a
            screened claim is a real sanctions check.
        workspace:
          $ref: '#/components/schemas/WorkspaceReadiness'
        workspaceId:
          type: string
        workspaceType:
          $ref: '#/components/schemas/WorkspaceType'
      required:
        - workspaceId
        - workspaceType
        - platformStatus
        - account
        - workspace
        - screening
        - capabilities
      type: object
    ApiError:
      description: >-
        A refusal of an integrator operation. Codes are an open set: a client
        handles the codes it

        knows and falls back on the HTTP status for any other.
      properties:
        details:
          oneOf:
            - type: 'null'
            - $ref: '#/components/schemas/ApiErrorDetails'
        docUrl:
          description: Stable documentation for this refusal code.
          type: string
        error:
          description: The machine-readable code, for example `QUOTE_EXPIRED`.
          type: string
        message:
          description: What happened, in words a person can read. Not for matching.
          type: string
        next:
          oneOf:
            - type: 'null'
            - $ref: '#/components/schemas/QuoteNextAction'
              description: >-
                The way forward, when there is one (for example `requote` on an
                expired quote).
        requestId:
          description: >-
            The request's id, the value the `X-Request-Id` response header
            carries. Quote it when

            asking for support.
          type:
            - string
            - 'null'
        retryable:
          description: >-
            Whether an unchanged request may succeed later, from the error
            catalogue.
          type: boolean
        timestamp:
          description: When the refusal was made, in Unix seconds.
          format: int64
          type: integer
      required:
        - error
        - docUrl
        - retryable
        - message
        - timestamp
      type: object
    AccountReadiness:
      description: >-
        The acting member's own verification: identity verification (kycStatus),
        verified wallet count and name screening. For an API key, the member who
        owns the key.
      properties:
        kycStatus:
          type: string
        sanctionsScreening:
          $ref: '#/components/schemas/SanctionsScreeningState'
        walletVerifiedCount:
          minimum: 0
          type: integer
      required:
        - kycStatus
        - walletVerifiedCount
        - sanctionsScreening
      type: object
    CapabilityDecision:
      description: Evaluation result for one capability.
      properties:
        allowed:
          type: boolean
        blockers:
          items:
            $ref: '#/components/schemas/CapabilityBlocker'
          type: array
      required:
        - allowed
      type: object
    LpInformationNeeded:
      description: >-
        One LP whose enforced serving requirement finds a fact the workspace has

        not recorded, and the onboarding catalogue items that supply it.
        Advisory:

        it blocks nothing by itself; the trading path refuses with

        `LP_REQUIREMENT_INFORMATION_NEEDED` and the same items.
      properties:
        items:
          description: >-
            Catalogue item ids (`std.*`), in catalogue-map order, without
            repeats.
          items:
            type: string
          type: array
        lpEntityId:
          type: string
      required:
        - lpEntityId
        - items
      type: object
    WorkspaceLifecycleState:
      description: >-
        The workspace lifecycle, derived from its platform status and any
        suspension cause.


        New values may be added; treat unknown values as other.
      enum:
        - onboarding
        - active
        - suspended
        - deactivated
        - archived
      type: string
      x-extensible-enum: true
    PlatformStatus:
      description: >-
        The workspace's platform status: onboarding, active, suspended or
        deactivated. lifecycle tells a KYB lapse apart from a suspension.


        New values may be added; treat unknown values as other.
      enum:
        - onboarding
        - active
        - suspended
        - deactivated
      type: string
      x-extensible-enum: true
    ScreeningReadiness:
      description: |-
        The screening sources configured for this zone. Platform facts, not a
        subject's verdict.
      properties:
        geoSource:
          $ref: '#/components/schemas/GeoSourceKind'
        walletScreeningProvider:
          $ref: '#/components/schemas/ScreeningProviderKind'
      required:
        - walletScreeningProvider
        - geoSource
      type: object
    WorkspaceReadiness:
      description: >-
        The workspace's own verification. No workspace type needs TetraFi KYB to
        trade, and KYB blocks no capability. kybStatus is its effective KYB
        state, kept as profile information: not_started, pending, in_review,
        approved, rejected, expired, or unavailable when it could not be read;
        new values may be added.
      properties:
        kybRecord:
          oneOf:
            - type: 'null'
            - $ref: '#/components/schemas/KybRecordObservation'
              description: >-
                Permission-filtered KYB record facts; absent only from an older
                server.
        kybStatus:
          type: string
        nameScreening:
          $ref: '#/components/schemas/SanctionsScreeningState'
      required:
        - nameScreening
        - kybStatus
      type: object
    WorkspaceType:
      description: |-
        The workspace type: direct_user, company, broker or lp.

        New values may be added; treat unknown values as other.
      enum:
        - direct_user
        - company
        - broker
        - lp
      type: string
      x-extensible-enum: true
    ApiErrorDetails:
      additionalProperties:
        description: >-
          Any further detail the code carries (for example `stepUpSubject`,
          `balanceShortfall`,

          `minimumAmount`), each named in camelCase.
      description: >-
        The code's detail. Each field is present only on the codes named beside
        it; other codes may

        carry further fields, named in camelCase, which a client may ignore.
      properties:
        capabilityBlockers:
          description: >-
            `CAPABILITY_BLOCKED` and the other capability refusals: what blocks
            the workspace.
          items:
            $ref: '#/components/schemas/CapabilityBlocker'
          type:
            - array
            - 'null'
        conflicts:
          description: '`REQUOTE_FIELDS_CONFLICT`: the fields that cannot go with `requote`.'
          items:
            type: string
          type:
            - array
            - 'null'
        field:
          description: '`INVALID_REQUEST` (out of range): the field.'
          type:
            - string
            - 'null'
        reason:
          description: >-
            A machine-readable reason token the refusing step gave.


            Known source reason tokens (not all apply to every status):
            `adapterPayloadSerializationFailed`,
            `basicVenueAccountsUnavailable`, `billingPaymentOverdue`,
            `walletNotOnChain`, `ccxtVenueRequiresCexLane`,
            `executionStageDisabled`, `jurisdictionUnproven`,
            `onboardedVenuesUnavailable`, `onchainAccountDefaultWalletRequired`,
            `onchainAccountDefaultWalletUnavailable`,
            `onchainAccountWalletRequired`, `onchainAssetDecimalsMismatch`,
            `onchainAssetIdentityMismatch`, `onchainAssetUnmapped`,
            `onchainAssetVariantFiltered`, `onchainWalletUnavailable`,
            `onchainCatalogueUnavailable`, `onchainDeliverToNotReceivingWallet`,
            `onchainDeliverToUnverified`, `onchainMarketsUnavailable`,
            `onchainMarketCatalogUnreadable`, `onchainMarketChainRequired`,
            `onchainMarketVariantRequired`, `onchainMarketTokenRequired`,
            `onchainSiteChainUnreadable`, `onchainWalletChainUnreadable`,
            `onchainWalletInactive`, `onchainWalletNotLinked`,
            `onchainWalletNotUsable`, `onchainWalletPickAmbiguous`,
            `onchainWalletWrongNetwork`, `signerLacksRight`,
            `signerUnavailable`, `signingGrantAmbiguous`, `signingGrantExpired`,
            `signingGrantRequired`, `signingGrantTokenNotKept`,
            `signingGrantTokenNotPayable`, `solverChainUnready`,
            `walletChainMismatch`, `walletNotUsableByYou`,
            `walletNotVerifiedForAce`, `walletNotWhitelisted`,
            `withdrawalChainUnsupported`, `accountFeeUnavailable`,
            `comparisonCostsUnavailable`, `connectionListingUnavailable`,
            `feeUnverified`, `noPool`, `noPrice`, `noSize`, `notFilled`,
            `notYetPublished`, `priceArithmetic`, `priceSourceNone`,
            `referenceMidUnavailable`, `settlementPrecisionUnavailable`,
            `accountSetupIncomplete`, `admissionUnavailable`,
            `advancedAccountEligibilityUnavailable`,
            `advancedAccountStateInconsistent`, `advancedConnectionDisabled`,
            `advancedConnectionNotConfigured`, `advancedConnectionPaused`,
            `advancedSettlementNeedsVerification`, `advancedModeDisabled`,
            `advancedNotAvailableForAccount`, `advancedNotEnabledForAccount`,
            `allowanceUnavailable`, `acrossCapacityExceeded`,
            `relayCapacityExceeded`, `acrossChainNotCarried`,
            `cctpChainNotCarried`, `relayChainNotCarried`,
            `apiKeyAdvancedWalletUnsupported`,
            `apiKeyOrganisationWalletScopeRequired`, `grantCapExceeded`,
            `amountAboveMaximum`, `amountBelowMinimum`, `amountUnreadable`,
            `amountsUnreadable`, `askFirst`, `authorityUnavailable`,
            `automationNeverAsks`, `availabilityUnreadable`,
            `backgroundNeverAsks`, `balanceUnreadable`, `defaultsUnavailable`,
            `walletHasNoAddress`, `walletUnavailable`, `bondAmountUnreadable`,
            `bondAssetUnreadable`, `catalogueUnavailable`, `chainFamilyUnknown`,
            `chainUnrecorded`, `clientSessionRequired`, `clockUnreadable`,
            `comingSoon`, `connectionChanged`, `connectionRevoked`,
            `corridorInvalid`, `credential`, `deadlineExceeded`,
            `defaultsLoading`, `deliverToCalldataUnsupported`,
            `deliverToTagUnsupported`, `deliverToNotPermitted`,
            `deliverToUnreadable`, `tradingPermissionRequired`,
            `directPatienceHarvest`, `economicallyInferior`,
            `exactAmountConflictsWithCard`, `exactAmountConflictsWithQuote`,
            `exactOutputDeliveryUnsupported`, `exactOutputEstimateUnavailable`,
            `exactRouteHypothesisUnavailable`, `expiredOnArrival`,
            `expiryUnknown`, `feeUnreadable`, `filteredOut`, `firmAskRefused`,
            `freshnessUnknown`, `fundingWindow`, `insufficientLiquidity`,
            `venueRelationship`, `venueRelationshipUnavailable`, `lpUnknown`,
            `mfaEnrolmentRequired`, `mfaRequired`, `minimumUnverified`,
            `mixedNetworks`, `netReceivedUnavailable`, `networkUnrecorded`,
            `noAddress`, `noCard`, `noFetcher`, `noInventory`, `noLaneForPair`,
            `noLegs`, `noOnChainCorridor`, `noPlannedVenue`, `noQuote`, `noRpc`,
            `notConnected`, `notEligible`, `notExecutable`,
            `orderPayloadMissing`, `outsideTopComposites`, `pairUnmapped`,
            `sellChainInvalid`, `permissionsUnreadable`,
            `placeOrderNotPermitted`, `prefundingMarkerUnreadable`,
            `prefundingRequired`, `indicative`, `priceOnRequest`,
            `priceOutOfRange`, `priceProtectionInvalid`, `pricingBookOnly`,
            `productNotQuoted`, `protocolChainMissing`,
            `providerFeeTreatmentUnknown`, `providerSiteUnrecorded`,
            `quoteIdUnissuable`, `quoteNotHeld`, `buyChainInvalid`,
            `buyAmountUnsupported`, `exactOutputDebitUnavailable`,
            `pairNotServed`, `receiveWalletNotServed`, `referenceMidUnreadable`,
            `referencePriceUnavailable`, `registryUnavailable`,
            `releaseRecheckUnavailable`, `requestUnbuildable`,
            `routeLegChainUnknown`, `routeLegUnnamed`, `routeLegUnplanned`,
            `routeUnavailable`, `secondFactorUnreadable`, `shortfallUnmeasured`,
            `shortfallUnreadable`, `singleChainVenue`, `siteChainUnreadable`,
            `sizeNotEligible`, `submitOrderBlocked`,
            `takerOnboardingIncomplete`, `tierNotQuoted`, `tradePaused`,
            `unsupportedNative`, `venueConnectionStorageUnavailable`,
            `venueDataStale`, `venueDeclined`, `venueNotConnected`,
            `venueNotEnabledForWorkspace`, `venueNotListed`,
            `venueTradeKeyUnavailable`, `venueTradeScopeRequired`,
            `venueTradeUnreadable`, `venueUnavailable`, `walletRefused`,
            `withdrawalFeeUnread`, `acrossRoutedViaCctp`,
            `apiKeyOrganisationWalletNotAllowlisted`,
            `balanceAvailabilityUnconfirmed`, `bankDestinationUnavailable`,
            `bebopJamKeyNotEnabled`, `bebopJamQuoteDeclined`,
            `bebopTokenUnavailable`, `relayCurrencyUnsupported`,
            `relaySwapImpactTooHigh`, `tetrafiSolverCallbackNotAuthorized`,
            `tradingLinkSnapshotChanged`, `tradingLinkSnapshotUnavailable`,
            `uniswapChainReadUnavailable`, `uniswapInsufficientDepth`,
            `uniswapQuoteUnreadable`, `uniswapUnwrapAboveDailyCap`,
            `uniswapUnwrapAboveTradeCap`, `uniswapRouteNotGranted`,
            `venueNotEnabled`, `askLimitReached`, `balanceMeaningUnconfirmed`,
            `bebopJamWalletUnsupported`, `bebopQuorumWalletTooSlow`,
            `bebopWalletQuorumUnreadable`, `connectionNotConfigured`,
            `deliveryAccountNetworkUnavailable`, `deliveryAccountUnavailable`,
            `destinationCannotSendOnChain`, `dexReferencePriceUnavailable`,
            `firmQuoteLimited`, `fundingAccountNetworkUnavailable`,
            `fundingAccountUnavailable`, `insufficientDepth`,
            `missingPermission`, `needsNativeGas`, `needsWallet`, `notPriced`,
            `payInTermsUnavailable`, `pilotTradeCapExceeded`,
            `platformFeeRateUnavailable`, `pricingBookPairUnserved`,
            `settlementDeclarationUnavailable`, `settlementNotAvailable`,
            `timedOut`, `timedOutBeforeSend`, `tradingSourceNetworkUnavailable`,
            `tradingSourceNotLinked`, `venueEnablementRechecking`,
            `venueEnablementUnavailable`, `venueListingTimedOut`,
            `venuePoliciesUnavailable`.


            New values may be added; treat unknown values as other.
          type:
            - string
            - 'null'
        remediation:
          description: A machine-readable recovery hint the refusing step gave.
          type:
            - string
            - 'null'
        retryAfter:
          oneOf:
            - type: 'null'
            - $ref: '#/components/schemas/IsoDuration'
              description: >-
                Every `429`, and a `503` that knows: when to try again, as an
                ISO 8601 duration. The

                `Retry-After` header carries the same wait in whole seconds.
        value:
          description: >-
            `UNKNOWN_ASSET`, `UNKNOWN_CHAIN`, `UNKNOWN_VENUE`, `INVALID_AMOUNT`:
            the value refused;

            `ASSET_NOT_ON_CHAIN`: the pinned chain the Asset is not on.
          type:
            - string
            - 'null'
      type: object
    QuoteNextAction:
      description: |-
        The one action the caller takes next; later legs run
        under the order.

        New values may be added; treat unknown values as other.
      discriminator:
        propertyName: kind
      oneOf:
        - description: '`POST /orders {quoteId}`.'
          properties:
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - order
              type: string
              x-extensible-enum: true
          required:
            - kind
          type: object
        - description: >-
            `POST /orders/preflight`: the held terms may need an approval,
            allowance or

            receipt the server cannot confirm from memory. Its response carries
            the next step.
          properties:
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - preflight
              type: string
              x-extensible-enum: true
          required:
            - kind
          type: object
        - description: Send these transactions, then order.
          properties:
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - transact
              type: string
              x-extensible-enum: true
            transactions:
              items:
                $ref: '#/components/schemas/TakerTransaction'
              type: array
          required:
            - transactions
            - kind
          type: object
        - description: Sign this EIP-712 document, then order.
          properties:
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - sign
              type: string
              x-extensible-enum: true
            typedData: {}
          required:
            - typedData
            - kind
          type: object
        - description: >-
            Fund, then requote. `null` instructions when they could not be read;
            no order is

            accepted while short either way.
          properties:
            instructions:
              oneOf:
                - type: 'null'
                - $ref: '#/components/schemas/FundInstructions'
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - fund
              type: string
              x-extensible-enum: true
          required:
            - kind
          type: object
        - description: Ask the venue again, with these Binding slots filled.
          properties:
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - requote
              type: string
              x-extensible-enum: true
            needs:
              items:
                $ref: '#/components/schemas/RequoteNeed'
              type: array
          required:
            - needs
            - kind
          type: object
        - description: >-
            Search again: `POST /quotes` with a pair body. The quote is past its
            requote window,

            so `{requote: quoteId}` can no longer refresh it.
          properties:
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - search
              type: string
              x-extensible-enum: true
          required:
            - kind
          type: object
        - description: >-
            The venue outcome is being reconciled. Read this same order again
            after

            the given ISO 8601 duration; never submit a replacement order.
          properties:
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - wait
              type: string
              x-extensible-enum: true
            retryAfter:
              $ref: '#/components/schemas/IsoDuration'
          required:
            - retryAfter
            - kind
          type: object
        - description: Contact support with this non-secret order reference.
          properties:
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - contact
              type: string
              x-extensible-enum: true
            reference:
              type: string
          required:
            - reference
            - kind
          type: object
      x-extensible-enum: true
    SanctionsScreeningState:
      description: >-
        A name and jurisdiction screening state. Only clear is clear: unscreened
        (no verdict recorded) and pending (no current verdict, for example after
        a name change) both block value movement.


        New values may be added; treat unknown values as other.
      enum:
        - unscreened
        - pending
        - clear
        - flagged
      type: string
      x-extensible-enum: true
    CapabilityBlocker:
      description: One reason a capability is blocked, plus the step that unlocks it.
      properties:
        code:
          $ref: '#/components/schemas/CapabilityBlockerCode'
        currentlyDue:
          description: |-
            Requirement keys still due, such as `kyb_review`, `actor_kyc` or
            `permission:place_order`. Empty when nothing specific is due.
          items:
            type: string
          type: array
        estimate:
          $ref: '#/components/schemas/CapabilityUnlockEstimate'
        message:
          type: string
        unlockStep:
          $ref: '#/components/schemas/CapabilityUnlockStep'
          description: >-
            Stable key of the step that unlocks this blocker. The UI maps it to
            a

            route or dialog.
      required:
        - code
        - message
        - unlockStep
        - estimate
      type: object
    GeoSourceKind:
      description: |-
        Where the request-geo fact comes from. `none` means no trusted source is
        configured in this zone, so no geo restriction is enforced (and nothing
        may claim it is).

        New values may be added; treat unknown values as other.
      enum:
        - edge_header
        - none
      type: string
      x-extensible-enum: true
    ScreeningProviderKind:
      description: >-
        The wallet-address screening provider this environment runs.
        unconfigured means none, and value-moving capabilities refuse with
        SCREENING_UNAVAILABLE.


        New values may be added; treat unknown values as other.
      enum:
        - chainalysis
        - sanctions_lists
        - mock
        - unconfigured
      type: string
      x-extensible-enum: true
    KybRecordObservation:
      description: |-
        Permission-filtered observation of the workspace's KYB record.

        New values may be added; treat unknown values as other.
      oneOf:
        - description: This workspace type carries no KYB record, such as a direct user.
          properties:
            state:
              description: New values may be added; treat unknown values as other.
              enum:
                - not_applicable
              type: string
              x-extensible-enum: true
          required:
            - state
          type: object
        - description: >-
            Withheld from this reader. KYB dates and review facts are released
            only to a signed-in member with compliance view permission; an API
            key always reads withheld. workspace.kybStatus still carries the KYB
            state.
          properties:
            state:
              description: New values may be added; treat unknown values as other.
              enum:
                - withheld
              type: string
              x-extensible-enum: true
          required:
            - state
          type: object
        - description: >-
            A KYB-bearing workspace has no business profile; KYB has not
            started.
          properties:
            state:
              description: New values may be added; treat unknown values as other.
              enum:
                - absent
              type: string
              x-extensible-enum: true
          required:
            - state
          type: object
        - description: >-
            The workspace's business profile could not be read, so its KYB facts
            are unknown; never read as absent. Retry shortly.
          properties:
            state:
              description: New values may be added; treat unknown values as other.
              enum:
                - unavailable
              type: string
              x-extensible-enum: true
          required:
            - state
          type: object
        - allOf:
            - $ref: '#/components/schemas/KybRecordFacts'
              description: The business profile's recorded KYB facts.
            - properties:
                state:
                  description: New values may be added; treat unknown values as other.
                  enum:
                    - recorded
                  type: string
                  x-extensible-enum: true
              required:
                - state
              type: object
          description: The business profile's recorded KYB facts.
      x-extensible-enum: true
    IsoDuration:
      description: An ISO 8601 duration, e.g. PT3S or PT2M.
      examples:
        - PT120S
      format: duration
      pattern: >-
        ^PT(?:[0-9]+H(?:[0-9]+M)?(?:[0-9]+(?:\.[0-9]{1,3})?S)?|[0-9]+M(?:[0-9]+(?:\.[0-9]{1,3})?S)?|[0-9]+(?:\.[0-9]{1,3})?S)$
      type: string
    TakerTransaction:
      description: One transaction the Taker sends itself (an approval included).
      properties:
        chain:
          $ref: '#/components/schemas/Caip2Chain'
        data:
          description: Hex calldata (`0x…`).
          type: string
        to:
          type: string
        value:
          description: Native value in base units, as a decimal string.
          type: string
      required:
        - chain
        - data
        - to
        - value
      type: object
    FundInstructions:
      description: >-
        What to fund and how. Bank funding carries only a privacy-safe summary
        and a

        non-bearer reference to the separately authorized reveal read.


        New values may be added; treat unknown values as other.
      discriminator:
        propertyName: kind
      oneOf:
        - properties:
            address:
              type: string
            asset:
              type: string
            chainRef:
              type: string
            expiresAt:
              format: date-time
              type: string
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - venueDeposit
              type: string
              x-extensible-enum: true
            memo:
              type:
                - string
                - 'null'
            networkCode:
              type: string
            networkConfirmed:
              description: >-
                False when the venue reports no network for this address:
                `networkCode`

                is empty and `chainRef` is the caller's selection, which the
                customer

                must confirm with the venue before sending.
              type: boolean
            observedAt:
              format: date-time
              type: string
            tokenContract:
              type: string
          required:
            - asset
            - chainRef
            - networkCode
            - networkConfirmed
            - address
            - tokenContract
            - observedAt
            - expiresAt
            - kind
          type: object
        - description: >-
            The only bank-deposit payload allowed in an asset-pair quote,
            request readback or

            copied durable/evidence body. It carries no receiving coordinates or
            payment memo.

            Fund, then explicitly requote; this summary never authorizes a
            transfer or order.
          properties:
            accountLast4:
              oneOf:
                - type: 'null'
                - $ref: '#/components/schemas/BankAccountSuffix'
                  description: >-
                    An already-qualified masked suffix, not external account
                    ownership proof.
            amount:
              $ref: '#/components/schemas/DecimalAmount'
            bankDisplayName:
              type:
                - string
                - 'null'
            expiresAt:
              description: >-
                UTC ISO instant, or null when expiry is UNKNOWN. Null never
                means no expiry.
              format: date-time
              type:
                - string
                - 'null'
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - bankDeposit
              type: string
              x-extensible-enum: true
            revealRef:
              $ref: '#/components/schemas/BankFundingRevealRef'
          required:
            - accountLast4
            - amount
            - bankDisplayName
            - expiresAt
            - kind
            - revealRef
          type: object
        - description: >-
            The quote's own bound pay wallet (an organisation wallet on a Basic
            on-chain

            venue account) holds less than the trade debits: send `amount` of
            `asset` to

            `address` on `chain`, then get a new price. `walletId` is the
            binding target the

            source's `topUp` fix names; `tokenContract` is the registry's
            deployment address

            of `asset` on `chain` (the zero address for the chain's native
            coin).
          properties:
            address:
              type: string
            amount:
              $ref: '#/components/schemas/DecimalAmount'
            asset:
              $ref: '#/components/schemas/AssetId'
            chain:
              $ref: '#/components/schemas/Caip2Chain'
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - walletTopUp
              type: string
              x-extensible-enum: true
            tokenContract:
              type: string
            walletId:
              type: string
          required:
            - walletId
            - address
            - chain
            - asset
            - tokenContract
            - amount
            - kind
          type: object
        - description: Native gas for a transaction the Taker sends itself.
          properties:
            amount:
              $ref: '#/components/schemas/DecimalAmount'
            asset:
              $ref: '#/components/schemas/AssetId'
            chain:
              $ref: '#/components/schemas/Caip2Chain'
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - nativeGas
              type: string
              x-extensible-enum: true
          required:
            - chain
            - amount
            - asset
            - kind
          type: object
        - description: >-
            A bank-funded venue account is short and deposit first isn't offered
            on it:

            its bank side declares no deposit instructions, or nothing that

            credits a declared deposit. The account is funded from its own
            funding details,

            then the quote is asked again. `amount` is the shortfall in
            `currency`;

            `connectionId` is the venue account to fund; `reason` is the venue's
            declared

            sentence for why ("Keyrock gives no deposit reference for bank
            transfers, so

            TetraFi can't tell your deposit apart"), product copy without a
            final period.
          properties:
            amount:
              $ref: '#/components/schemas/DecimalAmount'
            connectionId:
              type: string
            currency:
              type: string
            kind:
              description: New values may be added; treat unknown values as other.
              enum:
                - depositFirstNotOffered
              type: string
              x-extensible-enum: true
            reason:
              type: string
          required:
            - connectionId
            - amount
            - currency
            - reason
            - kind
          type: object
      x-extensible-enum: true
    RequoteNeed:
      description: >-
        A Binding slot a requote needs filled. An empty `needs` means requote as
        is.


        New values may be added; treat unknown values as other.
      enum:
        - wallet:evm
        - wallet:solana
        - wallet:tron
        - account
        - bankAccount
        - deliverTo
      type: string
      x-extensible-enum: true
    CapabilityBlockerCode:
      description: |-
        Stable machine-readable blocker codes returned by the capability gate.

        New values may be added; treat unknown values as other.
      enum:
        - WORKSPACE_NOT_FOUND
        - WORKSPACE_NOT_ACTIVE
        - WORKSPACE_SUSPENDED
        - PARENT_WORKSPACE_INACTIVE
        - INSUFFICIENT_PERMISSION
        - WORKSPACE_TYPE_UNSUPPORTED
        - BASE_PROFILE_INCOMPLETE
        - BASE_PROFILE_UNREADABLE
        - KYB_NOT_VERIFIED
        - KYC_NOT_VERIFIED
        - SANCTIONS_FLAGGED
        - MEMBER_COMPLIANCE_FROZEN
        - MEMBER_COMPLIANCE_DENIED
        - SCREENING_PENDING
        - SCREENING_UNAVAILABLE
        - GEO_RESTRICTED
        - WALLET_NOT_VERIFIED
        - DIRECT_USER_NOT_FOUND
        - DIRECT_USER_SUSPENDED
        - DIRECT_USER_KYC_NOT_VERIFIED
        - INSUFFICIENT_SCOPE
        - TREASURY_DISABLED
        - NO_USABLE_CREDENTIAL
        - CROSS_OWNER_WRITE_DENIED
        - AGGREGATE_SCOPE_READ_ONLY
        - OWNER_SCOPE_REQUIRED
        - VENUE_OPERATION_UNSUPPORTED
        - TAKER_ONBOARDING_INCOMPLETE
        - TAKER_ADMISSION_UNAVAILABLE
      type: string
      x-extensible-enum: true
    CapabilityUnlockEstimate:
      description: >-
        Coarse time-to-unlock class. The UI owns the copy; figures are
        engineering

        estimates until the KYB queue and Sumsub webhooks supply measured
        values.


        New values may be added; treat unknown values as other.
      enum:
        - minutes
        - forms_then_review
        - admin_action
        - other_party
        - unknown
        - not_unlockable
      type: string
      x-extensible-enum: true
    CapabilityUnlockStep:
      description: |-
        Stable key for the step that unlocks a blocked capability. The backend
        names the step; the UI owns the step-to-route map. Never a UI route.

        New values may be added; treat unknown values as other.
      enum:
        - finish_onboarding
        - company_details
        - kyb_profile
        - kyc_dialog
        - link_wallet
        - ask_admin
        - contact_broker
        - manage_direct_users
        - manage_api_key
        - connect_custodian
        - switch_account_scope
        - contact_support
        - await_screening
        - none
      type: string
      x-extensible-enum: true
    KybRecordFacts:
      description: >-
        Recorded KYB approval dates and the independently observed active
        review.
      properties:
        expiresAt:
          format: date-time
          type:
            - string
            - 'null'
        review:
          oneOf:
            - type: 'null'
            - $ref: '#/components/schemas/KybReviewObservation'
              description: The workspace's active KYB review, when there is one.
        verifiedAt:
          format: date-time
          type:
            - string
            - 'null'
      type: object
    Caip2Chain:
      description: >-
        A CAIP-2 chain id (`eip155:8453`, `solana:<genesis>`, `tron:shasta`),
        syntax-checked:

        a namespace of 3 to 8 lowercase letters, digits or `-`, and a reference
        of 1 to 32

        letters, digits, `-` or `_`. Compared exactly, as CAIP-2 references are
        case-sensitive.
      example: eip155:8453
      type: string
    BankAccountSuffix:
      description: >-
        An already-qualified masked account suffix of 1 to 4 ASCII
        letters/digits, not external account ownership proof. Never truncate a
        full account number.
      examples:
        - A1b2
      maxLength: 4
      minLength: 1
      pattern: ^[A-Za-z0-9]{1,4}$
      type: string
    DecimalAmount:
      description: >-
        A non-negative decimal string in Asset units (`"10000"`, `"9994.0"`):
        digits with an

        optional fraction, no sign, exponent or leading zero. Never a float and
        never base

        units. A request amount must also be positive (`INVALID_AMOUNT`); a fee
        or a

        known balance may be zero.
      example: '10000'
      type: string
    BankFundingRevealRef:
      description: >-
        Non-bearer lookup metadata for deposit instructions. Possession grants
        no authority. Each reveal requires current wallet-view authority and
        exact account membership; an API key additionally needs treasury_read.
        Missing and foreign accounts share a refusal. Quotes never fetch these
        instructions.
      properties:
        connectionId:
          description: >-
            The native held leg's exact connection id, never a
            first/sole-connection guess.
          type: string
        currency:
          type: string
        providerBankId:
          description: >-
            The provider's linked-bank id when required by that venue; otherwise
            unknown/null.
          type:
            - string
            - 'null'
      required:
        - connectionId
        - currency
        - providerBankId
      type: object
    AssetId:
      description: >-
        A registry Asset id (`USDC`, `USDe`). Matched case-insensitively against
        the catalogue,

        which answers it in the registry's own spelling.
      example: USDC
      type: string
    KybReviewObservation:
      description: |-
        Whether the active KYB review read found a record or was unavailable.

        New values may be added; treat unknown values as other.
      oneOf:
        - description: The read succeeded with no review in flight or on record as active.
          properties:
            state:
              description: New values may be added; treat unknown values as other.
              enum:
                - none
              type: string
              x-extensible-enum: true
          required:
            - state
          type: object
        - allOf:
            - $ref: '#/components/schemas/KybReviewFacts'
              description: The active review's recorded queue facts.
            - properties:
                state:
                  description: New values may be added; treat unknown values as other.
                  enum:
                    - recorded
                  type: string
                  x-extensible-enum: true
              required:
                - state
              type: object
          description: The active review's recorded queue facts.
        - description: The read failed; never interpreted as no review.
          properties:
            state:
              description: New values may be added; treat unknown values as other.
              enum:
                - unavailable
              type: string
              x-extensible-enum: true
          required:
            - state
          type: object
      x-extensible-enum: true
    KybReviewFacts:
      description: >-
        An active KYB review's queue facts. Reviewer notes, reviewer identity
        and provider references are never included.
      properties:
        decidedAt:
          format: date-time
          type:
            - string
            - 'null'
        queueId:
          format: uuid
          type: string
        reason:
          $ref: '#/components/schemas/RenewalReason'
        status:
          $ref: '#/components/schemas/ApprovalStatus'
        submittedAt:
          format: date-time
          type: string
      required:
        - queueId
        - status
        - reason
        - submittedAt
      type: object
    RenewalReason:
      description: >-
        Why a KYB review was opened: the initial review, an expiry, an operator
        request or a compliance review.


        New values may be added; treat unknown values as other.
      enum:
        - expiry
        - operator_requested
        - compliance_review
        - initial
      type: string
      x-extensible-enum: true
    ApprovalStatus:
      description: >-
        Status of a KYB review: pending, under_review, approved, rejected or
        expired.


        New values may be added; treat unknown values as other.
      enum:
        - pending
        - under_review
        - approved
        - rejected
        - expired
      type: string
      x-extensible-enum: true
  securitySchemes:
    api_key:
      description: >-
        Send the API key in `X-API-Key`.


        **Request signing.** A key with signing enabled (`POST
        /api/v1/workspaces/{workspaceId}/users/me/api-keys/{keyId}/signing`,
        which returns the signing secret once) must also sign every request:


        - `X-Timestamp`: the current Unix time in seconds, within 300 seconds of
        the server clock.

        - `X-Signature`: lower-case hex HMAC-SHA256 of the canonical string,
        keyed with the signing secret's 32 bytes (the secret is 64 hex
        characters; decode it first).


        The canonical string is four lines joined by `\n`, with no trailing
        newline: the `X-Timestamp` value, the upper-case method, the path with
        its query exactly as sent (`/api/v1/orders?limit=1`), and the lower-case
        hex SHA-256 of the exact body bytes (the SHA-256 of an empty body when
        there is none).


        A write's signature (POST, PUT, PATCH, DELETE) is accepted once: sending
        the same signed write again is refused, so a retry signs again. A read
        (GET, HEAD) changes nothing, so an identical signed read inside the
        window is admitted again and polling needs no nonce.


        A signing refusal is a 401 `AUTH_REQUIRED` whose `details.reason` names
        the cause: `SIGNATURE_REQUIRED` (a header is missing),
        `SIGNATURE_INVALID` (a malformed header or a wrong signature),
        `TIMESTAMP_OUT_OF_RANGE` or `SIGNATURE_REPLAYED`.
      in: header
      name: X-API-Key
      type: apiKey
      x-request-signing:
        algorithm: HMAC-SHA256
        canonicalRequest:
          - timestamp
          - method
          - pathWithQuery
          - bodySha256Hex
        canonicalSeparator: |+

        oneTimeMethods:
          - POST
          - PUT
          - PATCH
          - DELETE
        refusal:
          error: AUTH_REQUIRED
          reasons:
            - SIGNATURE_REQUIRED
            - SIGNATURE_INVALID
            - TIMESTAMP_OUT_OF_RANGE
            - SIGNATURE_REPLAYED
          status: 401
        secretEncoding: hex
        signatureEncoding: hex-lower
        signatureHeader: X-Signature
        timestampHeader: X-Timestamp
        timestampWindowSeconds: 300
    bearer_auth:
      bearerFormat: JWT
      scheme: bearer
      type: http

````

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