build1 distinct publisher
An Idempotency-Key with no written contract does not stop double charges, it hides them
A dev.to teardown of payment idempotency argues the header is a token and the guarantee is a document. The parts nobody writes down fail during outages, when nobody is looking.
Publishers:dev.to
Reality
- Evidence56
- Adoption
- Insufficient
- Hype gap+10
- Incentives28
- Confidence58