01How to charge
How to charge
someone twice
Idempotency, retries and ambiguous failures.
Charging someone is easy.
The interesting part starts when you send the request, the money moves, and the response never comes back.
Backend / systems
Idempotency, retries and ambiguous failures.
Charging someone is easy.
The interesting part starts when you send the request, the money moves, and the response never comes back.