{
  "request": {
    "method": "POST",
    "url": "https://api.thingspeak.com/channels/12345/bulk_update.json",
    "headers": {
      "Content-Type": "application/json"
    },
    "body": {
      "write_api_key": "YOUR_WRITE_API_KEY",
      "updates": [
        {
          "created_at": "2026-05-25T14:00:00Z",
          "field1": "22.1",
          "field2": "48.2"
        },
        {
          "created_at": "2026-05-25T14:01:00Z",
          "field1": "22.3",
          "field2": "48.0"
        },
        {
          "created_at": "2026-05-25T14:02:00Z",
          "field1": "22.4",
          "field2": "47.8"
        }
      ]
    }
  },
  "response": {
    "status": 202,
    "headers": {
      "Content-Type": "application/json"
    },
    "body": {
      "success": true
    }
  }
}