Archive Session Thread
POST/v1/sessions/{session_id}/threads/{thread_id}/archive
Archive Session Thread
curl https://api.anthropic.com/v1/sessions/$SESSION_ID/threads/$THREAD_ID/archive \
-X POST \
-H 'anthropic-version: 2023-06-01' \
-H 'anthropic-beta: managed-agents-2026-04-01' \
-H "X-Api-Key: $ANTHROPIC_API_KEY"{
"id": "sthr_011CZkZVWa6oIjw0rgXZpnBt",
"agent": {
"id": "agent_011CZkYqphY8vELVzwCUpqiQ",
"description": "A focused research subagent.",
"mcp_servers": [
{
"name": "example-mcp",
"type": "url",
"url": "https://example-server.modelcontextprotocol.io/sse"
}
],
"model": {
"id": "claude-opus-5",
"effort": {
"type": "low"
},
"inference_geo": "inference_geo",
"speed": "standard"
},
"name": "Researcher",
"skills": [
{
"skill_id": "xlsx",
"type": "anthropic",
"version": "1"
}
],
"system": "You are a research subagent that gathers and summarises sources for the coordinating agent.",
"tools": [
{
"configs": [
{
"enabled": true,
"name": "bash",
"permission_policy": {
"type": "always_allow"
},
"type": "bash"
}
],
"default_config": {
"enabled": true,
"permission_policy": {
"type": "always_ask"
}
},
"type": "agent_toolset_20260401"
}
],
"type": "agent",
"version": 1
},
"archived_at": null,
"created_at": "2026-03-15T10:00:00Z",
"parent_thread_id": null,
"session_id": "sesn_011CZkZAtmR3yMPDzynEDxu7",
"stats": {
"active_seconds": 0,
"duration_seconds": 0,
"startup_seconds": 0
},
"status": "idle",
"type": "session_thread",
"updated_at": "2026-03-15T10:00:00Z",
"usage": {
"active_seconds": 0,
"cache_creation": {
"ephemeral_1h_input_tokens": 0,
"ephemeral_5m_input_tokens": 0
},
"cache_read_input_tokens": 0,
"input_tokens": 0,
"list_cost": {
"amount": "2500",
"currency": "USD"
},
"output_tokens": 0,
"server_tool_use": {
"web_fetch_requests": 0,
"web_search_requests": 3
}
}
}Returns Examples
{
"id": "sthr_011CZkZVWa6oIjw0rgXZpnBt",
"agent": {
"id": "agent_011CZkYqphY8vELVzwCUpqiQ",
"description": "A focused research subagent.",
"mcp_servers": [
{
"name": "example-mcp",
"type": "url",
"url": "https://example-server.modelcontextprotocol.io/sse"
}
],
"model": {
"id": "claude-opus-5",
"effort": {
"type": "low"
},
"inference_geo": "inference_geo",
"speed": "standard"
},
"name": "Researcher",
"skills": [
{
"skill_id": "xlsx",
"type": "anthropic",
"version": "1"
}
],
"system": "You are a research subagent that gathers and summarises sources for the coordinating agent.",
"tools": [
{
"configs": [
{
"enabled": true,
"name": "bash",
"permission_policy": {
"type": "always_allow"
},
"type": "bash"
}
],
"default_config": {
"enabled": true,
"permission_policy": {
"type": "always_ask"
}
},
"type": "agent_toolset_20260401"
}
],
"type": "agent",
"version": 1
},
"archived_at": null,
"created_at": "2026-03-15T10:00:00Z",
"parent_thread_id": null,
"session_id": "sesn_011CZkZAtmR3yMPDzynEDxu7",
"stats": {
"active_seconds": 0,
"duration_seconds": 0,
"startup_seconds": 0
},
"status": "idle",
"type": "session_thread",
"updated_at": "2026-03-15T10:00:00Z",
"usage": {
"active_seconds": 0,
"cache_creation": {
"ephemeral_1h_input_tokens": 0,
"ephemeral_5m_input_tokens": 0
},
"cache_read_input_tokens": 0,
"input_tokens": 0,
"list_cost": {
"amount": "2500",
"currency": "USD"
},
"output_tokens": 0,
"server_tool_use": {
"web_fetch_requests": 0,
"web_search_requests": 3
}
}
}