groupsMessages

Send Group Message

Process a user message and return the group's response. This endpoint accepts a message from a user and processes it through through agents in the group based on the specified pattern

Path parameters

group_idstringRequired

Headers

AuthorizationstringRequired

Header authentication of the form Bearer <token>

Request

This endpoint expects an object.
messageslist of objectsRequired
The messages to be sent to the agent.
max_stepsintegerOptionalDefaults to 50
Maximum number of steps the agent should take to process the request.
use_assistant_messagebooleanOptionalDefaults to true

Whether the server should parse specific tool call arguments (default send_message) as AssistantMessage objects.

assistant_message_tool_namestringOptionalDefaults to send_message
The name of the designated message tool.
assistant_message_tool_kwargstringOptionalDefaults to message
The name of the message argument in the designated message tool.
include_return_message_typeslist of enums or nullOptional

Only return specified message types in the response. If None (default) returns all messages.

Response

Successful Response
messageslist of objects
The messages returned by the agent.
stop_reasonobject
The stop reason from Letta indicating why agent loop stopped execution.
usageobject
The usage statistics of the agent.

Errors