{
  "summary": "Register two tracking numbers",
  "description": "Example request to register two shipments with 17TRACK. The first specifies a carrier explicitly; the second relies on auto-detection.",
  "request": {
    "method": "POST",
    "url": "https://api.17track.net/track/v1/register",
    "headers": {
      "17token": "YOUR_API_KEY",
      "Content-Type": "application/json"
    },
    "body": [
      {
        "number": "1Z999AA10123456784",
        "carrier": 100003
      },
      {
        "number": "9400111899223397541123"
      }
    ]
  },
  "response": {
    "status": 200,
    "body": {
      "code": 0,
      "data": {
        "accepted": [
          { "number": "1Z999AA10123456784" },
          { "number": "9400111899223397541123" }
        ],
        "rejected": []
      }
    }
  }
}