Append logs
POST
/v1/threads/{threadId}/logsAppend direct logs to a thread for flows that bypass normal container execution.
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
| Name | Location | Type | Required | Description |
|---|---|---|---|---|
| threadId | path | string | Yes | Thread ID |
Query parameters
None.
Body schema
Content type: application/json · Required
| Field | Type | Required | Description |
|---|---|---|---|
| logs | object[] | Yes | — |
| logs[].createdAt | string | No | ISO 8601 timestamp. |
| logs[].time | string | No | — |
| logs[].message | string | No | Message text. |
| logs[].type | info | error | success | warning | No | — |
| logs[].eventType | string | No | — |
| logs[].isUserMessage | boolean | No | — |
| logs[].isReasoning | boolean | No | — |
| logs[].isActionSummary | boolean | No | — |
| logs[].isPlanning | boolean | No | — |
| logs[].isLLMResponse | boolean | No | — |
| logs[].metadata | object | No | Free-form metadata object. |
What the API returns
Each response code below includes the documented payload shape for the ACP API.
200Logs appendedapplication/json
| Field | Type | Required | Description |
|---|---|---|---|
| success | boolean | No | Whether the request succeeded. |
| logsAdded | integer | No | — |