List run actions from the canonical event spine

GET/v1/threads/{threadId}/actions

Project only action and tool lifecycle events, optionally narrowed to a run or activity group. Action-like legacy logs and steps are returned when no canonical action events exist; messages, run state, permissions, projections, and control events are excluded.

How to call this endpoint

Every ACP API request uses bearer authentication. The examples here show the actual request path, auth header, and body shape that the platform expects.

Path, query, and header parameters

These parameters control which ACP object the endpoint acts on and how the request is processed.

Path parameters
NameLocationTypeRequiredDescription
threadIdpathstringYesThread ID
Query parameters
NameLocationTypeRequiredDescription
runIdquerystringNo
groupIdquerystringNo
afterqueryintegerNo
limitqueryintegerNo
includeLegacyquerybooleanNo

Body schema

This endpoint does not require a request body.

None.

What the API returns

Each response code below includes the documented payload shape for the ACP API.

200Thread action listapplication/json
None.
List run actions from the canonical event spine
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Response 200
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See the ACP quickstart and SDK flow