Topic

Payment API Integration

The engineering work of connecting an application to external payment providers, covering authorisation calls, webhooks, references, reconciliation and retry behaviour.

Current clusters

build1 publisher

Treating MTN's 409 as a failure is what double-charges the customer

Of the three mobile money APIs in one UEMOA developer's integration, only MTN ships a real idempotency key. The 409 it returns on a replay is what turned a timeout into a second payment prompt.

Publishers:dev.to

Reality

Evidence62
Adoption38
Hype gap+12
Incentives28
Confidence55