Support
Answers first, then a human.
Most questions here are about carriers, PII handling or the annual attestation. If yours is not, the contact form goes to the same people who wrote the docs.
Asked often
Six questions that cover most of the inbox.
Where to go
Four doors, in the order most people need them.
Self serveAPI referenceEvery endpoint, with request and response bodies, error codes and rate limits. Open → Self serveDevice Hub troubleshootingThe printer did not fire, the machine dropped off, the PIN will not register. Open → Ask a humanContact the teamIntegration questions, plan questions, or anything a doc page did not settle. Open → Start buildingCreate an accountSandbox seller, test tenant, first label request. No call required. Open →
Still stuck? Send the shipment id.
With an order id or a shipment_id we can read the audit trail for that request and tell you exactly which control stopped it.