Generate Session Title

beta.chat.set_title(, ) -> ChatSetTitleResponse

POST/api/v1/chat/{session_id}/title

Generate a title for a session from its first user message.

ParametersExpand Collapse

session_id: str

first_message: str

First user message of the session, used to infer a short title.

organization_id: Optional[str]

project_id: Optional[str]

ReturnsExpand Collapse

class ChatSetTitleResponse: …

Summary of a chat session, including its title and last run metadata.

last_updated_at: str

ISO-format timestamp showing when the session was last updated.

session_id: str

Unique session identifier.

generated_title: Optional[str]

Auto-generated title derived from the first user message.

index_ids: Optional[List[str]]

Indexes this session is bound to. Null on unbound sessions.

job_metadata: Optional[JobMetadata]

Token usage and status from the most recent run. Null if the session has not been run yet.

duration_ms: Optional[float]

error: Optional[str]

export_config_ids: Optional[List[str]]

is_error: Optional[bool]

total_input_tokens: Optional[int]

total_output_tokens: Optional[int]

turns: Optional[int]

Generate Session Title

import os
from llama_cloud import LlamaCloud

client = LlamaCloud(
    api_key=os.environ.get("LLAMA_CLOUD_API_KEY"),  # This is the default and can be omitted
)
response = client.beta.chat.set_title(
    session_id="session_id",
    first_message="What were the main findings in Q3?",
)
print(response.session_id)

{
  "last_updated_at": "2026-04-22T12:34:41.342245",
  "session_id": "ses-abc123",
  "generated_title": "What were the main findings in Q3?...",
  "index_ids": [
    "idx-abc123",
    "idx-def456"
  ],
  "job_metadata": {
    "duration_ms": 0,
    "error": "error",
    "export_config_ids": [
      "string"
    ],
    "is_error": true,
    "total_input_tokens": 0,
    "total_output_tokens": 0,
    "turns": 0
  }
}

Returns Examples

{
  "last_updated_at": "2026-04-22T12:34:41.342245",
  "session_id": "ses-abc123",
  "generated_title": "What were the main findings in Q3?...",
  "index_ids": [
    "idx-abc123",
    "idx-def456"
  ],
  "job_metadata": {
    "duration_ms": 0,
    "error": "error",
    "export_config_ids": [
      "string"
    ],
    "is_error": true,
    "total_input_tokens": 0,
    "total_output_tokens": 0,
    "turns": 0
  }
}