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

# Get a vault request

> Returns one of the unit's vault requests with its current state. Poll it to follow a request from the owner's approval to the vault's decision, and an unvault from the owner's request to the item's dispatch: `status`, `available_at`, `hold`, `ready_to_ship` and `dispatched_at` say where it is. Takes an API key, which reads any unit in its environment. A tap session token is not accepted: call this from your server.



## OpenAPI

````yaml /openapi.json get /v1/units/{unit_id}/vault-requests/{request_id}
openapi: 3.1.0
info:
  title: Endstate API
  version: 0.1.0
  description: Endstate developer API for chip verification and ownership workflows.
servers:
  - url: https://api2.endstate.io
    description: Production
  - url: https://api-staging.endstate.io
    description: Staging
security: []
paths:
  /v1/units/{unit_id}/vault-requests/{request_id}:
    get:
      tags:
        - Vaults
      summary: Get a vault request
      description: >-
        Returns one of the unit's vault requests with its current state. Poll it
        to follow a request from the owner's approval to the vault's decision,
        and an unvault from the owner's request to the item's dispatch:
        `status`, `available_at`, `hold`, `ready_to_ship` and `dispatched_at`
        say where it is. Takes an API key, which reads any unit in its
        environment. A tap session token is not accepted: call this from your
        server.
      operationId: getVaultRequest
      parameters:
        - schema:
            type: string
            format: uuid
            description: Unit id.
            example: 22222222-2222-4222-8222-222222222222
          required: true
          description: Unit id.
          name: unit_id
          in: path
        - schema:
            type: string
            format: uuid
            description: Vault request id.
            example: 00000000-0000-4000-8000-000000000000
          required: true
          description: Vault request id.
          name: request_id
          in: path
      responses:
        '200':
          description: The vault request.
          content:
            application/json:
              example:
                id: 00000000-0000-4000-8000-000000000000
                unit_id: 22222222-2222-4222-8222-222222222222
                vault:
                  id: 33333333-3333-4333-8333-333333333333
                  name: Alliance Vault
                  logo_url: https://vault.example/logo.png
                  key_mode: managed
                status: unvault_waiting
                notes: null
                rejection_reason: null
                decided_at: '2026-06-16T09:30:00.000Z'
                available_at: '2026-09-04T12:00:00.000Z'
                hold: null
                ready_to_ship: false
                dispatched_at: null
                expires_at: null
                created_at: '2026-06-15T12:00:00.000Z'
              schema:
                $ref: '#/components/schemas/VaultRequest'
        '400':
          description: >-
            The request was malformed or failed validation.


            | Error code | When |

            | --- | --- |

            | `validation.failed` | The request failed schema validation. See
            `error.details` for per-field issues. |
          x-error-codes:
            - validation.failed
          content:
            application/json:
              examples:
                validation.failed:
                  summary: >-
                    The request failed schema validation. See `error.details`
                    for per-field issues.
                  value:
                    error:
                      code: validation.failed
                      message: >-
                        The request failed schema validation. See
                        `error.details` for per-field issues.
                      request_id: req_8e1a7f50-90ab-4cde-f012-3456789abcde
                      doc_url: https://docs.endstate.io/errors/validation-failed
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: |-
            Authentication failed.

            | Error code | When |
            | --- | --- |
            | `auth.unauthorized` | Credential is missing or malformed. |
          x-error-codes:
            - auth.unauthorized
          content:
            application/json:
              examples:
                auth.unauthorized:
                  summary: Credential is missing or malformed.
                  value:
                    error:
                      code: auth.unauthorized
                      message: Credential is missing or malformed.
                      request_id: req_8e1a7f50-90ab-4cde-f012-3456789abcde
                      doc_url: https://docs.endstate.io/errors/auth-unauthorized
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '403':
          description: >-
            Authenticated, but not permitted.


            | Error code | When |

            | --- | --- |

            | `auth.forbidden` | Credential is valid but does not have access to
            the requested resource or action. |
          x-error-codes:
            - auth.forbidden
          content:
            application/json:
              examples:
                auth.forbidden:
                  summary: >-
                    Credential is valid but does not have access to the
                    requested resource or action.
                  value:
                    error:
                      code: auth.forbidden
                      message: >-
                        Credential is valid but does not have access to the
                        requested resource or action.
                      request_id: req_8e1a7f50-90ab-4cde-f012-3456789abcde
                      doc_url: https://docs.endstate.io/errors/auth-forbidden
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: >-
            The resource does not exist within your organization.


            | Error code | When |

            | --- | --- |

            | `not_found.resource` | The requested resource does not exist
            within your organization. |

            | `unit.not_found` | The unit ID does not exist in your
            organization. |

            | `vault.request_not_found` | No vault request with that ID exists
            for the unit in your environment. |
          x-error-codes:
            - not_found.resource
            - unit.not_found
            - vault.request_not_found
          content:
            application/json:
              examples:
                not_found.resource:
                  summary: >-
                    The requested resource does not exist within your
                    organization.
                  value:
                    error:
                      code: not_found.resource
                      message: >-
                        The requested resource does not exist within your
                        organization.
                      request_id: req_8e1a7f50-90ab-4cde-f012-3456789abcde
                      doc_url: https://docs.endstate.io/errors/not-found-resource
                unit.not_found:
                  summary: The unit ID does not exist in your organization.
                  value:
                    error:
                      code: unit.not_found
                      message: The unit ID does not exist in your organization.
                      request_id: req_8e1a7f50-90ab-4cde-f012-3456789abcde
                      doc_url: https://docs.endstate.io/errors/unit-not-found
                vault.request_not_found:
                  summary: >-
                    No vault request with that ID exists for the unit in your
                    environment.
                  value:
                    error:
                      code: vault.request_not_found
                      message: >-
                        No vault request with that ID exists for the unit in
                        your environment.
                      request_id: req_8e1a7f50-90ab-4cde-f012-3456789abcde
                      doc_url: https://docs.endstate.io/errors/vault-request-not-found
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '429':
          description: |-
            Too many requests.

            | Error code | When |
            | --- | --- |
            | `rate_limit.exceeded` | Per-key rate limit exceeded. |
          x-error-codes:
            - rate_limit.exceeded
          content:
            application/json:
              examples:
                rate_limit.exceeded:
                  summary: Per-key rate limit exceeded.
                  value:
                    error:
                      code: rate_limit.exceeded
                      message: Per-key rate limit exceeded.
                      request_id: req_8e1a7f50-90ab-4cde-f012-3456789abcde
                      doc_url: https://docs.endstate.io/errors/rate-limit-exceeded
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: >-
            Something went wrong on our end.


            | Error code | When |

            | --- | --- |

            | `internal.error` | An unexpected server error occurred. Retry with
            exponential backoff and include `request_id` in any support request.
            |
          x-error-codes:
            - internal.error
          content:
            application/json:
              examples:
                internal.error:
                  summary: >-
                    An unexpected server error occurred. Retry with exponential
                    backoff and include `request_id` in any support request.
                  value:
                    error:
                      code: internal.error
                      message: >-
                        An unexpected server error occurred. Retry with
                        exponential backoff and include `request_id` in any
                        support request.
                      request_id: req_8e1a7f50-90ab-4cde-f012-3456789abcde
                      doc_url: https://docs.endstate.io/errors/internal-error
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
        - ApiKeyBearer: []
components:
  schemas:
    VaultRequest:
      type: object
      properties:
        id:
          type: string
          format: uuid
          description: Vault request id.
        unit_id:
          type: string
          format: uuid
          description: The unit the request is for.
        vault:
          type: object
          properties:
            id:
              type: string
              format: uuid
              description: Vault id.
            name:
              type: string
              description: The vault's display name.
            logo_url:
              type:
                - string
                - 'null'
              description: URL of the vault's logo; null when it has none.
            key_mode:
              type: string
              enum:
                - managed
                - external
              description: >-
                Who signs the vault's receipts. `managed`: Endstate holds the
                vault's key and signs each receipt on the vault's behalf when
                the vault confirms it has an item, so the receipt is not
                independent of Endstate. `external`: the vault holds its own key
                and signs its receipts itself.
              example: managed
          required:
            - id
            - name
            - logo_url
            - key_mode
          description: The vault the request names.
        status:
          type: string
          enum:
            - pending
            - submitted
            - active
            - unvault_waiting
            - unvaulting
            - unvaulted
            - cancelled
            - expired
            - rejected
            - failed
          description: >-
            Where the request is now. `pending`: the owner approved and the
            vault has not decided. `submitted`: the vault confirmed it has the
            item and Endstate is recording it. `active`: the item is vaulted.
            `unvault_waiting`: the owner asked for the item back and the waiting
            period runs, or the item is ready to ship. `unvaulting`: the vault
            dispatched the item and Endstate is completing the unvault.
            `unvaulted`: the unvault is complete. `cancelled`, `expired` and
            `rejected` end a request that never vaulted the item, and never
            change again. `failed`: the item was not recorded as vaulted; the
            request becomes `active` if the item is later recorded as vaulted
            after all. A status can move back. A cancel of the unvault, once
            recorded, returns `unvault_waiting` to `active`, and `unvaulting`
            too in the rare case one is recorded after the dispatch. Rarely, the
            network revises its latest records, which can return `unvaulted` to
            `unvaulting` or `active`, `unvault_waiting` or `unvaulting` to
            `active`, and `active` to `failed`. Read the status as the request's
            current state, not as a one-way log.
        notes:
          type:
            - string
            - 'null'
          description: >-
            Free text the vault's staff left when they confirmed or rejected the
            request. Null when they left none.
        rejection_reason:
          type:
            - string
            - 'null'
          enum:
            - wrong_item
            - chip_unreadable
            - unacceptable
            - owner_changed
            - null
          description: >-
            Why the request was rejected: the vault's reason, or `owner_changed`
            when the unit changed hands after its owner approved.
        decided_at:
          type:
            - string
            - 'null'
          format: date-time
          description: >-
            When the vault confirmed or rejected the request, or Endstate
            rejected it; null until then.
        available_at:
          type:
            - string
            - 'null'
          format: date-time
          description: >-
            When the unvault's waiting period ends. Null until the owner's
            request to unvault is recorded, and again if the owner cancels it. A
            hold stops the clock, and lifting it moves this later by the time
            the hold lasted.
        hold:
          type:
            - object
            - 'null'
          properties:
            by:
              type: string
              enum:
                - vault
                - brand
              description: 'Who placed the hold: the vault or the brand.'
            reason:
              type:
                - string
                - 'null'
              description: Why, in the words of whoever placed the hold.
          required:
            - by
            - reason
          description: >-
            The hold on a waiting unvault, or null. `by` says who placed it, the
            vault or the brand, and `reason` is their text. While it stands the
            item is not ready to ship.
        ready_to_ship:
          type: boolean
          description: >-
            Whether the item is ready to ship: its waiting period has ended and
            nothing holds it. The vault records dispatch with a tap of the item
            from then on.
        dispatched_at:
          type:
            - string
            - 'null'
          format: date-time
          description: >-
            When the vault's tap recorded the item's dispatch. Endstate then
            completes the unvault; the vault hands the item over once the
            request reads `unvaulted`.
        expires_at:
          type:
            - string
            - 'null'
          format: date-time
          description: When a pending request expires; null once it has moved on.
        created_at:
          type: string
          format: date-time
          description: When the owner's approval opened the request.
      required:
        - id
        - unit_id
        - vault
        - status
        - notes
        - rejection_reason
        - decided_at
        - available_at
        - hold
        - ready_to_ship
        - dispatched_at
        - expires_at
        - created_at
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              anyOf:
                - $ref: '#/components/schemas/ErrorCode'
                - type: string
              description: >-
                Stable, namespaced error code. The `ErrorCode` catalogue lists
                every code defined today; handle an unrecognized value as a
                generic failure rather than throwing, since codes are added over
                time.
              example: chip.not_found
            message:
              type: string
              description: >-
                Human-readable description, for logs and debugging. Wording may
                change without notice - never parse or match against it.
              example: Chip not found
            request_id:
              type: string
              description: >-
                Identifier for this request, matching the `X-Request-Id`
                response header. Log it and include it in any support request.
              example: req_8e1a7f50-90ab-4cde-f012-3456789abcde
            doc_url:
              type: string
              description: Documentation page for this error code.
              example: https://docs.endstate.io/errors/chip-not-found
            details:
              $ref: '#/components/schemas/ValidationErrorDetails'
          required:
            - code
            - message
            - request_id
            - doc_url
      required:
        - error
      description: >-
        Every error response, regardless of endpoint or HTTP status, uses this
        envelope.
    ErrorCode:
      type: string
      enum:
        - environment.conflict
        - environment.invalid_configuration
        - organization.changed
        - validation.failed
        - auth.unauthorized
        - auth.forbidden
        - session_token.invalid_or_expired
        - session_token.wrong_chip
        - wallet_session.invalid_or_expired
        - not_found.resource
        - rate_limit.exceeded
        - chip.not_found
        - chip.invalid_e_value
        - chip.already_scanned
        - quota.exceeded
        - chip.not_a_test_chip
        - unit.not_found
        - unit.already_exists
        - unit.not_minted
        - collection.not_found
        - collection.already_exists
        - collection.not_active
        - collection_backfill.blocked
        - organization.not_found
        - chip.already_paired
        - chip.key_unusable
        - chip.mac_required
        - chip.bulk_mixed_collections
        - chip.bulk_pending
        - unit.issuance_pending
        - claim.owner_unknown
        - claim.already_to_recipient
        - claim.in_progress
        - claim.locked
        - claim.unit_vaulted
        - claim.unit_held
        - claim.tap_required
        - claim.not_found
        - chip_replacement.locked
        - chip_replacement.in_progress
        - chip_replacement.not_found
        - transfer.owner_unknown
        - transfer.already_to_recipient
        - transfer.in_progress
        - transfer.not_found
        - submission.not_executable
        - vault.not_found
        - vault.already_exists
        - vault.provisioning_failed
        - vault.not_permitted
        - vault.unavailable
        - vault.challenge_invalid
        - vault.address_in_use
        - vault.key_conflict
        - vault.signer_unauthorized
        - vault_connection.not_found
        - vault_connection.not_active
        - vault_connection.already_exists
        - vault_connection.conflict
        - vault.in_progress
        - vault.owner_changed
        - vault.request_not_found
        - vault.request_not_pending
        - vault.consent_invalid
        - vault.consent_used
        - vault.consent_outdated
        - vault.request_rejected
        - vault.request_expired
        - vault.reference_taken
        - tap_intent.not_found
        - tap_intent.disabled
        - tap_intent.too_many_open
        - tap_intent.unit_vaulted
        - tap_intent.redirect_origin_not_allowed
        - tap_intent.expired
        - tap_intent.canceled
        - tap_intent.already_approved
        - tap_intent.already_consumed
        - tap_intent.not_approved
        - tap_intent.action_mismatch
        - tap_intent.tap_not_matched
        - tap_intent.code_required
        - tap_intent.code_incorrect
        - tap_intent.code_attempts_exhausted
        - tap_intent.code_unavailable
        - tap_intent.busy
        - unvault.not_found
        - unvault.in_progress
        - unvault.waiting
        - unvault.held
        - idempotency.key_conflict
        - idempotency.in_progress
        - internal.error
        - webhook_endpoint.not_found
        - webhook_endpoint.deleted
        - webhook_endpoint.limit_reached
        - webhook_endpoint.url_refused
        - webhook_endpoint.signing_unavailable
        - webhook_event_type.unknown
        - webhook_event.not_found
        - webhook_endpoint.disabled
        - webhook_delivery.in_progress
        - webhook_endpoint.not_subscribed
      description: >-
        Stable, namespaced error code in `<resource>.<reason>` form. Branch on
        this rather than on `message` or the HTTP status. This is the catalogue
        as of this spec revision, not a closed set - see
        `ErrorResponse.error.code`.
      example: chip.not_found
    ValidationErrorDetails:
      type: object
      properties:
        formErrors:
          type: array
          items:
            type: string
          description: Issues that apply to the request as a whole rather than one field.
          example: []
        fieldErrors:
          type: object
          additionalProperties:
            type: array
            items:
              type: string
          description: Validation issues keyed by the field that failed.
          example:
            name:
              - 'Invalid input: expected string, received undefined'
      required:
        - formErrors
        - fieldErrors
      description: Per-field validation detail. Present only on `validation.failed`.
  securitySchemes:
    ApiKeyBearer:
      type: http
      scheme: bearer
      bearerFormat: end_sk
      description: >-
        Use `Authorization: Bearer end_sk_*` for partner API keys (e.g.
        `end_sk_AbCd_example_api_key`).

````

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