Claude Platform Docs

Threads

List Session Threads
$ ant beta:sessions:threads list
GET/v1/sessions/{session_id}/threads
Get Session Thread
$ ant beta:sessions:threads retrieve
GET/v1/sessions/{session_id}/threads/{thread_id}
Archive Session Thread
$ ant beta:sessions:threads archive
POST/v1/sessions/{session_id}/threads/{thread_id}/archive
Models
beta_managed_agents_session_thread: object{ type: "session_thread", id, agent, 8 more }

An execution thread within a session. Each session has one primary thread plus zero or more child threads spawned by the coordinator.

beta_managed_agents_session_thread_stats: object{ active_seconds, duration_seconds, startup_seconds }

Timing statistics for a session thread.

active_seconds: optional number

Cumulative time in seconds the thread spent actively running. Excludes idle time.

formatdouble
duration_seconds: optional number

Elapsed time since thread creation in seconds. For archived threads, frozen at the final update.

formatdouble
startup_seconds: optional number

Time in seconds for the thread to begin running. Zero for child threads, which start immediately.

formatdouble
beta_managed_agents_session_thread_status: "running" or "idle" or "rescheduling" or "terminated"

SessionThreadStatus enum

"running"
"idle"
"rescheduling"
"terminated"
beta_managed_agents_session_thread_usage: object{ active_seconds, cache_creation, cache_read_input_tokens, 4 more }

Cumulative token usage for a session thread across all turns.

beta_managed_agents_stream_session_thread_events: BetaManagedAgentsUserMessageEvent or BetaManagedAgentsUserInterruptEvent or BetaManagedAgentsUserToolConfirmationEvent or 34 more

Server-sent event in a single thread's stream.

ThreadsEvents

List Session Thread Events
$ ant beta:sessions:threads:events list
GET/v1/sessions/{session_id}/threads/{thread_id}/events
Stream Session Thread Events
$ ant beta:sessions:threads:events stream
GET/v1/sessions/{session_id}/threads/{thread_id}/stream