Reply to a chat

{
  "data": {
    "id": "12345",
    "type": "chat",
    "attributes": {
      "team_id": 123456,
      "team_name": "example-team",
      "name": "Checkout 5xx spike",
      "status": "processing",
      "message_count": 4,
      "last_message_at": "2026-09-07T10:35:00.000Z",
      "total_tokens": 15420,
      "created_at": "2026-09-07T10:30:00.000Z",
      "updated_at": "2026-09-07T10:35:00.000Z",
      "messages": [
        {
          "id": 9001,
          "message_type": "user",
          "text": "Why did checkout start returning 5xx at 10:15?",
          "artifacts": [],
          "created_at": "2026-09-07T10:30:00.000Z",
          "user": null
        },
        {
          "id": 9002,
          "message_type": "ai",
          "text": "The 5xx responses come from checkout-api pods restarting after the 10:12 deploy of v2.4.0. The new version fails its readiness probe because PAYMENTS_URL is unset. Set it in the deployment manifest and roll out again.",
          "artifacts": [],
          "created_at": "2026-09-07T10:32:18.000Z",
          "user": null
        },
        {
          "id": 9003,
          "message_type": "user",
          "text": "Was the payments service affected too?",
          "artifacts": [],
          "created_at": "2026-09-07T10:35:00.000Z",
          "user": null
        },
        {
          "id": 9004,
          "message_type": "ai",
          "text": null,
          "artifacts": [],
          "created_at": "2026-09-07T10:35:00.000Z",
          "user": null
        }
      ],
      "pending_confirmations": []
    }
  }
}

{
  "errors": "Invalid authentication"
}

{
  "errors": "AI SRE is not available on this plan."
}

{
  "errors": "Resource with the provided ID was not found"
}

{
  "errors": "The agent is still working on this chat (status: processing). Poll GET /api/v2/chats/:id/status and retry once it leaves processing."
}

{
  "errors": "The agent is waiting on a tool-use confirmation (status: awaiting_confirmation). Resolve it via PATCH /api/v2/chats/:chat_id/confirmations/:id before replying."
}

{
  "errors": "Sorry, you are missing some required attributes",
  "required_attributes": [
    "message"
  ]
}