Post a message to a conversation

Post a new user message to an existing conversation, triggering agent responses.

post/api/w/{wId}/assistant/conversations/{cId}/messages

Path parameters

wIdstring required

ID of the workspace

cIdstring required

ID of the conversation

Request body

contentstring required

skipToolsValidationboolean

Response

Successfully posted message

Changes

Changed in 15 of the 87 revisions of this API.1718

Aug 21, 2026b40d30e43ad43See the full diff
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  added the new auto_complex enum value to the // response property for the response status
  response-property-enum-value-added
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  added the new auto_fast enum value to the // response property for the response status
  response-property-enum-value-added
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  added the new fair_use_downgrade enum value to the // response property for the response status
  response-property-enum-value-added
Aug 6, 20265834d690c29d1See the full diff
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  removed the optional property // from the response with the status
  response-optional-property-removed
Aug 3, 2026c056bd9490bf2See the full diff
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  added the optional property // to the response with the status
  response-optional-property-added
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  added the optional property / to the response with the status
  response-optional-property-added
Jul 31, 2026baec3b07fb011See the full diff
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  added the optional property // to the response with the status
  response-optional-property-added
Jul 20, 202689dbf1251af22See the full diff
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  added the new optional request property /
  new-optional-request-property
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  added the optional property // to the response with the status
  response-optional-property-added
Jul 17, 202650e23587026b2See the full diff
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  removed the request property /
  request-property-removed
- ●
  removed the optional property // from the response with the status
  response-optional-property-removed
This revision also has 2 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog
Jul 15, 20268bbe27ffe9982See the full diff
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  added the new optional request property /
  new-optional-request-property
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  added the optional property // to the response with the status
  response-optional-property-added
Jul 10, 202650e23587026b12See the full diff
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  removed the optional property // from the response with the status
  response-optional-property-removed
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  added the optional property // to the response with the status
  response-optional-property-added
- ○
  added the optional property // to the response with the status
  response-optional-property-added
Jul 7, 20262666b2a783fd2See the full diff
- ○
  added the new optional request property
  new-optional-request-property
- ○
  added the optional property // to the response with the status
  response-optional-property-added
Jun 19, 2026e5d6a51d91df5See the full diff
- ●
  removed the request property /
  request-property-removed
- ●
  removed the request property
  request-property-removed
- ●
  removed the optional property // from the response with the status
  response-optional-property-removed
- ●
  removed the optional property // from the response with the status
  response-optional-property-removed
- ●
  removed the optional property // from the response with the status
  response-optional-property-removed
This revision also has 5 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog

Full history (15 revisions)