Refund Request

Overview

A refund request is an instruction asking a payment provider or merchant system to return some or all funds from an earlier payment. Applications should create a stable internal intent, verify eligibility and remaining amount, enforce authorization and approval policy, and use provider idempotency. The request usually identifies the original payment, amount, currency or asset, reason, reference, and sometimes a destination. It creates a refund lifecycle that may progress through review, acceptance, processing, completion, rejection, or failure. Submitting a request does not prove that money has returned. Duplicate requests, changed refundable balances, provider fees, exchange-rate differences, and irreversible crypto transfers complicate handling. A timeout can leave the system uncertain whether the provider accepted it. They must store external identifiers, reconcile uncertainty before retry, track final settlement, and communicate status accurately to the customer. A successful transport result from Refund Request should not be interpreted beyond the exact API state documented by the provider. The Refund Request owner should publish stable error semantics and guidance on whether correction, retry, status lookup, or escalation is appropriate. Data handled by Refund Request should use documented types, units, timestamp rules, nullable fields, and enum behavior to prevent silent interpretation errors.

The Refund Request contract should define identifiers, validation, authorization, status semantics, errors, limits, and version behavior at the same boundary.

For Refund Request, the application should preserve a correlation path from request construction through response, asynchronous completion, and final business state.

Changes to Refund Request should be checked against older clients, stored payloads, enum growth, default behavior, and retry assumptions.