PB-TRKPKG-ERR-7600 on the Sandbox EnvironmentΒΆ

If you are testing the Tracking API on the Sandbox environment and encounter PB-TRKPKG-ERR-7600, Invalid PackageIdentifier provided, make sure that you are passing the tracking number for a live USPS label when issuing the API call. The Tracking API in the Sandbox environment works only with Production labels. Do not pass the tracking number for a label created in the Sandbox environment.


Back to PB-PB-TRKPKG-ERR Errors.