Where is it?

One API call answers that for 3,400+ carriers, and gives every carrier back in the same shape. Sign up with an email address — no password, no card — and your first key is one click away.

Continue with Google

or use your email

We email you a sign-in link. That is the whole signup.

100 trackings a month free. Webhooks, a hosted tracking page and an MCP server are all included.

  1. 1Get a key

    curl -X POST https://www.tracksonar.com/v1/signup \ -d '{"email":"you@example.com"}'

    Returns trk_live_… straight away. The same email also signs you in here.

  2. 2Track a parcel

    curl -X POST https://www.tracksonar.com/v1/trackings \ -H "Authorization: Bearer $KEY" \ -d '{"tracking_number":"1Z12345E0205271688"}'

    The carrier is identified from the number. Sending it twice never bills twice.

  3. 3Get told when it moves

    curl -X POST https://www.tracksonar.com/v1/webhooks \ -H "Authorization: Bearer $KEY" \ -d '{"url":"https://example.com/hooks"}'

    Signed the way Stripe signs, retried seven times, deduplicated on the payload id.

Building with an AI assistant? Point it at /llms.txt, or connect the MCP server at https://www.tracksonar.com/mcp.