Realistic carrier integration incidents. Make decisions, get feedback, and build troubleshooting instincts.
Your POST /shipments request to the carrier times out after 30 seconds. Did the shipment get created?
Your batch shipment creation is getting hammered with 429 responses. Hundreds of shipments are queued.
A SOAP shipment request returns a Fault. The faultstring says 'Processing Error.' Time to dig deeper.
After a carrier's 'maintenance window,' your SOAP integration starts failing. They didn't tell you they changed the WSDL.
The carrier returns 200 OK but shipments are failing silently. Customers are complaining about missing labels.