API referenceagents
Reject proposal
POST
/v1/agent-proposals/{proposalId}/rejectIdempotency-Key requiredAccepts bearer
A human rejects an OPEN proposal
HUMAN SESSION ONLY, with agents:act (an API key or service token is 403 PERMISSION_DENIED details.reason SESSION_REQUIRED).Show more
HUMAN SESSION ONLY, with agents:act (an API key or service token is 403 PERMISSION_DENIED details.reason SESSION_REQUIRED). Nothing executes; the reason is kept on the proposal and on agent.proposal.rejected. A proposal that is not OPEN is 409 CONFLICT details.reason WRONG_STATE. An MCP grant-derived token is likewise 403 PERMISSION_DENIED details.reason SESSION_REQUIRED, details.credential mcp-grant: an agent acting for a human is never that human's session.Path parameters
- proposalIdstringRequiredAn agent proposal id
Headers
- Idempotency-KeystringRequired
Mandatory on mutations: **48h TTL**; replay with same body-hash returns the original response with Idempotency-Replayed true; same key + different body is 409 IDEMPOTENCY_CONFLICT; in-flight duplicate…Show more
Mandatory on mutations: **48h TTL**; replay with same body-hash returns the original response with Idempotency-Replayed true; same key + different body is 409 IDEMPOTENCY_CONFLICT; in-flight duplicate is 409 IDEMPOTENCY_IN_PROGRESS.
Request body
- reasonstringRequired
Responses
- 200REJECTED; nothing executedConsoleAgentProposal
- 400VALIDATION or UNKNOWN_DOMAINApiErrorResponse
- 401ApiErrorResponse
UNAUTHENTICATED — missing or expired token.Show more
UNAUTHENTICATED — missing or expired token. Declared on every operation because `security` is declared globally at the document root: every route is authenticated, so every route can answer 401. - 403ApiErrorResponse
- 404NOT_FOUND — unknown or expired ref (unguessable refs, 15)ApiErrorResponse
- 405ApiErrorResponse
VALIDATION — the public edge serves GET, POST, PUT, PATCH and DELETE only; any other method is refused before the platform sees it (details.reason METHOD_NOT_ALLOWED, details.source edge).Show more
VALIDATION — the public edge serves GET, POST, PUT, PATCH and DELETE only; any other method is refused before the platform sees it (details.reason METHOD_NOT_ALLOWED, details.source edge). Not retryable as sent. - 409ApiErrorResponse
CONFLICT details.reason WRONG_STATE (the proposal is not OPEN, including EXECUTING — details.state) or AGENT_PAUSED | EXECUTION_MISMATCH (the stored execution no longer matches the approved resource…Show more
CONFLICT details.reason WRONG_STATE (the proposal is not OPEN, including EXECUTING — details.state) or AGENT_PAUSED | EXECUTION_MISMATCH (the stored execution no longer matches the approved resource or amount; nothing executed) | PRICE_CHANGED | IDEMPOTENCY_CONFLICT | IDEMPOTENCY_IN_PROGRESS - 413ApiErrorResponse
VALIDATION — the request body is larger than the surface's limit.Show more
VALIDATION — the request body is larger than the surface's limit. Not retryable as sent: shrink the body. Declared on every operation that takes a request body. details carries exactly one key, maxBodyBytes (integer): the limit that applies to this surface, in bytes. - 414ApiErrorResponse
VALIDATION — the request URI (path and query string) is longer than 8 KiB; the public edge refuses it before the platform sees it (details.reason URI_TOO_LONG, details.source edge).Show more
VALIDATION — the request URI (path and query string) is longer than 8 KiB; the public edge refuses it before the platform sees it (details.reason URI_TOO_LONG, details.source edge). Not retryable as sent: send long input in the body of a POST. - 415ApiErrorResponse
VALIDATION — a request body that is not JSON (application/json or application/*+json; a form body only on the OAuth token routes).Show more
VALIDATION — a request body that is not JSON (application/json or application/*+json; a form body only on the OAuth token routes). The public edge refuses it before the platform sees it (details.reason UNSUPPORTED_MEDIA_TYPE, details.source edge). Not retryable as sent: send Content-Type application/json. Declared on every operation that takes a JSON request body. - 500INTERNAL — a bug, and traceId is the support handle.ApiErrorResponse
Errors you should handle
Branch on code and honour retryable — never on the HTTP status alone.
| 400 | VALIDATION message.intent.checkOut must be after message.intent.checkIn | not retryable |
| 400 | UNKNOWN_DOMAIN Unknown domain 'HOTELS'. Did you mean HTL? | not retryable |
| 401 | UNAUTHENTICATED The bearer token is expired. Re-authenticate and retry. | not retryable |
| 403 | PERMISSION_DENIED Proposals are approved by a signed-in person only. | not retryable |
| 404 | NOT_FOUND searchRef SR-F-7b31d0a9 is unknown or has expired; re-search | not retryable |
| 405 | VALIDATION This method is not served. | not retryable |
| 409 | CONFLICT Proposal prop_01J9ZK2 is EXPIRED and can no longer be decided. | not retryable |
| 409 | PRICE_CHANGED The price moved since this proposal was made. It was not executed. | not retryable |
| 409 | IDEMPOTENCY_CONFLICT Idempotency-Key 7f0c33d1-9a1e-4d2c-9f77-1c0f2b3a4d55 was used with a different body; never executed | not retryable |
| 409 | IDEMPOTENCY_IN_PROGRESS A request with this Idempotency-Key is still executing | retryable |
| 413 | VALIDATION The request body is larger than this API accepts (262144 bytes). | not retryable |
| 414 | VALIDATION The request URI is longer than 8 KiB. | not retryable |
| 415 | VALIDATION Send application/json. | not retryable |
| 500 | INTERNAL An unexpected error occurred. Quote the traceId to support. | retryable |