tool · inferred from evidence
Paypal-Debug-Id
Response header used by PayPal support to trace and debug API calls.
- PayPal subscriptions: 500 "Unhandled api error" from cartid API after subscription created
This one wasnt a code problem at all. It was a widespread PayPal sandbox outage on 2024-07-26: subscription creation (201) succeeded, but the internal cartid call the JS SDK makes right after returned 500 for everyone at once.