v3
latestOpenAPI 3.1.02026-07-311,4541,5202.3 MBagents
V 2 Sessions Turns Create
V2 agent chat — single loop with two-tier tool loading.
POST /agents/v2/sessions/ (auto-generates session_id) POST /agents/v2/sessions/<session_id>/turns/ (explicit session_id)
Request body: same as v1 (input, timezone, conversation, parent_message_id, model). Response: Server-Sent Events stream.
Differences from v1:
- Single loop instead of multi-agent graph
- Two-tier tool loading (~20 core, ~70 deferred via tool_search)
post/agents/v2/sessions/{session_id}/turns/
Path parameters
session_idstring required
Headers
Authorizationstring required
JWT access token or Respan API key
Request body
Response
No response body
AgentsV2SessionsTurnsCreateResponse200 required
Empty response body