Error
Create a thread
Create a thread, optionally bound to an agent. Subsequent runs are started on it via POST /v1/fleet/threads/{thread_id}/runs/stream.
POST
Error
Authorizations
LangSmith API key (lsv2_...).
Body
application/json
Thread creation payload
Response
Created
Example:
"11111111-1111-1111-1111-111111111111"
Example:
"2026-01-15T09:30:00Z"
Example:
"22222222-2222-2222-2222-222222222222"
Available options:
idle, busy, interrupted, error Example:
"idle"
Example:
"2026-01-15T09:30:00Z"

