Engineering guide
Payment integrations
Payment API, webhook and reconciliation patterns for transaction-heavy platforms.
The problem
A payment success response is not the whole operational story: exceptions, refunds and settlement need visibility too.
Key considerations
- Gateway APIs
- Webhook processing
- Ledger records
- Reconciliation
Architecture flow
A practical implementation sequence
- 01App
- 02Payment gateway
- 03Webhook
- 04Ledger
- 05Reconciliation
Related solutions
See the pattern in a product context
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