{ "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": [] } } } }