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POST
Reject an action (in-app card)

Authorizations

Authorization
string
header
required

JWT token authentication

Headers

NexSpace-Version
string

Pin the request to a dated API version (e.g. 2026-05-10). Applied by app-level middleware to every /api route (server/routes/index.ts → apiVersionMiddleware), which echoes the resolved value back in the NexSpace-Version response header. Omit to get the latest version. Discover the catalog at GET /.well-known/api-versions.

Pattern: ^\d{4}-\d{2}-\d{2}$
Idempotency-Key
string

Replay guard for write requests. Applied by app-level middleware to every /api route (server/routes/index.ts → idempotencyMiddleware), which only acts on POST/PUT/PATCH — GET, DELETE and OPTIONS ignore the header. Re-sending the same key with an identical body within 24 hours replays the original response; the same key with a different body returns 409.

Maximum string length: 255

Path Parameters

id
integer
required

Approval id (ai_action_approvals.id).

Body

application/json
reason
string

Optional free-text rejection reason.

Response

Approval rejected

success
boolean
runRejected
boolean

Whether the owning agent run was terminated as rejected.