Gallery Platform API
Reference

Update a session

Updates one session's time, capacity, status, or position. Editing a session never rewrites its siblings.

PATCH
/gallery/programs/{programId}/sessions/{sessionId}

Updates one session's time, capacity, status, or position. Editing a session never rewrites its siblings.

Authorization

bearerAuth shows:update
AuthorizationBearer <token>

A gallery API key, sent as Authorization: Bearer gpk_… (or the x-api-key header).

In: header

Scope: shows:update

Path Parameters

programId*string
sessionId*string

Header Parameters

Idempotency-Key?string

Optional. Send a unique key per logical operation to make retries safe: a retry with the same key replays the stored success for 14 days instead of re-running the write. Reusing a key with a different body returns 400.

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Update one session — editing it never rewrites siblings.

Response Body

application/json

application/problem+json

application/problem+json

application/problem+json

application/problem+json

application/problem+json

application/problem+json

{  "id": "string",  "event_id": "string",  "starts_at": "string",  "ends_at": "string",  "capacity": -9007199254740991,  "status": "scheduled",  "recurrence_key": "string",  "position": -9007199254740991,  "created_at": "string",  "updated_at": "string"}