TravelnFlex
DOSSIER / payments-refunds
Engineering boundary
Payments & Refunds
Payment lifecycle boundaries covering gateway integration, webhook handling, and refund state.
Context / boundary
The boundary sits between payment lifecycle state and the booking lifecycle that depends on it.
System model
The public record identifies gateway integration, webhook handling, refund initiation, and refund state as the visible concerns.
Payment and refund state needs to remain explicit enough to inspect without implying guarantees that are not documented.
Signals in the record
These are the verified public signals currently attached to this boundary.
Signals in the record
- 01Payment lifecycle
- 02Gateway integration
- 03Webhook handling
- 04Refund state
Source note
Source note
This system boundary covers payment lifecycle concerns, gateway integration, webhook handling, refund initiation, and refund state.
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