Postman Collection
A ready-to-import Postman collection covers every endpoint documented here, pre-configured with variables for your account credentials.

Download the APC Postman collection
How to use
- Download the file linked above.
- In Postman, choose Import → drop in the JSON file.
- Open the collection's Variables tab and fill in your credentials:
usernameandpassword— your account number and passcode. Used as HTTP Basic Auth for the Rate, Track, Services, Update, and Void requests (Postman builds theAuthorizationheader for you).userID,accountNumber,passcode— used in the Label request body.dtKey— the LandIT key issued to you by APC (for the Duties & Taxes requests). This is an opaque key, not built from your account number and passcode.packageId— a package ID or full tracking number (for the Track, Update, and Void requests).
- Send any request — the variables are referenced via
{{username}},{{userID}},{{dtKey}},{{packageId}}, etc.
If you don't use Postman, every endpoint in this site also shows equivalent cURL, Node.js, and Python snippets.