POST /api/v1/messages – LobeHub API

messages

Changed on Sep 11, 2026

post/api/v1/messages

Request

Base URL: https://app.lobehub.com
URL: https://app.lobehub.com/api/v1/messages
Auth: HTTP bearer

Request body

contentstring required

role'user' | 'system' | 'assistant' | 'tool' required

modelstring nullable

providerstring nullable

topicIdstring nullable

threadIdstring nullable

parentIdstring nullable

quotaIdstring nullable

agentIdstring nullable

clientIdstring nullable

metadataunknown

reasoningunknown

searchunknown

toolsunknown

traceIdstring nullable

observationIdstring nullable

filesstring[] nullable

favoriteboolean nullable

Response

Successful response

messagestring

successtrue required

timestampstring date-time required

Changes

Sep 11, 2026fed653c22d7d Revision changes
- breaking
  removed subschema #1 subschema #2 from the request property anyOf list
- breaking
  removed subschema #1 subschema #2 from the request property anyOf list
- breaking
  removed subschema #1 subschema #2 from the request property anyOf list
- breaking
  removed subschema #1 subschema #2 from the request property anyOf list
- breaking
  removed subschema #1 subschema #2 from the request property anyOf list
- breaking
  removed subschema #1 subschema #2 from the request property anyOf list
- breaking
  removed subschema #1 subschema #2 from the request property anyOf list
- breaking
  request property list-of-types was narrowed by removing types null from media type application/json
- breaking
  request property list-of-types was narrowed by removing types null from media type application/json
- breaking
  request property list-of-types was narrowed by removing types null from media type application/json
- breaking
  request property list-of-types was narrowed by removing types null from media type application/json
- breaking
  the request property type changed from no type to string null
- breaking
  the request property type changed from no type to string null
- breaking
  the request property type changed from no type to string null
- breaking
  the request property type changed from no type to string null
- breaking
  the request property type changed from no type to string null
- breaking
  the request property type changed from no type to string null
- breaking
  the request property type changed from no type to string null
- breaking
  the response property const value false was removed for the status
- breaking
  the response's property type changed from string to array for status
- breaking
  removed the required property from the response with the status
- warning
  added the new false enum value to the response property for the response status
- info
  the request property became nullable
- info
  the request property became nullable
- info
  the request property became nullable
- info
  the request property became nullable
- info
  the request property became nullable
- info
  the request property became nullable
- info
  the request property became nullable
- info
  the request property became nullable
- info
  the request property became nullable
- info
  the request property became nullable
- info
  the request property became nullable
- info
  added the required property to the response with the status
Aug 10, 2026ceacc8af240d Revision changes
- info
  added the media type application/json for the response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status

Operation history