API & webhooks
Getting an API key and making your first call
Where keys live, how to make a first request, and what the rate limits are.
API keys are created in Developer in the dashboard. A key is shown once, when it is created — store it somewhere safe, because we keep only a hash of it.
Your first call
Every endpoint takes the key as a bearer token. Look up a container by number, or a shipment by bill of lading; both return the same tracking document.
Limits
Requests are rate-limited per key, per minute, and the ceiling depends on your plan. A call that is refused returns a clear status rather than failing silently, so a client can back off and retry.
Webhooks
Rather than polling, you can register a webhook and be told when a shipment moves. Deliveries retry on failure and a persistently failing endpoint is disabled automatically, with an email first.
Turning Developer Mode on first
The API is behind a one-time switch. Until you enable Developer Mode there is nowhere to create a key, which is the usual reason someone cannot find the page they were told to go to.
Enabling it confirms you will stay within your plan limits and the fair-use policy. It does not change your plan or cost anything.
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