Invoke Service

POST/v1/services/{service_id}/invoke

Start a Run and return 202 Accepted with the Run. Idempotency-Key is required: the same key and body return the original Run, a different body returns 409. Only one Run per Service can be pending; another invoke returns 429 concurrency_limit. Poll GET /v1/services/{service_id}/runs/{run_id} until status leaves pending, then read the result from the Session in session_id.

Path parameters

stringservice_idrequired

Service ID (svc_ prefix).

Headers

stringIdempotency-Keyrequired

1-128 characters, no leading or trailing whitespace. Reuse the same key and body when retrying; the same key with a different body returns 409.

Request body

JSON object. Send {} to use the saved input.

Optional<string>input

Overrides the saved input for this Run. The effective input must be non-empty.

Optional<string>model

Overrides the saved model for this Run.

Optional<object>model_provider

Model credential for this Run. Omit to use your calling API key.

curl -X POST https://api.sandbase.ai/v1/services/svc_2d7a9e14-6b3c-5f8d-a1e2-4c6b8d0f3a95/invoke \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Idempotency-Key: weekly-brief-2026-w41" \
  -H "Content-Type: application/json" \
  -d '{
    "input": "Summarize this week in AI agents, focusing on open-source releases."
  }'

Response202 Accepted

{
  "id": "run_4a6c8e0b-1d3f-5a7c-9e1b-3d5f7a9c1e24",
  "source_type": "service",
  "source_id": "svc_2d7a9e14-6b3c-5f8d-a1e2-4c6b8d0f3a95",
  "source_version": 1,
  "agent_id": "agt_8c1f2b9e-3d4a-4f6b-9c2e-1a7d5e3b4c60",
  "agent_version": 3,
  "trigger_source": "manual",
  "status": "pending",
  "session_id": null,
  "created_at": "2026-10-06T08:05:00Z",
  "updated_at": "2026-10-06T08:05:00Z"
}