---
title: "Get the maximum refundable amount for a transaction"
method: GET
path: "/api/v1/merchants/{merchantId}/transactions/{transactionId}/refundable-amount"
tags: ["Transactions"]
---

# Get the maximum refundable amount for a transaction

`GET /api/v1/merchants/{merchantId}/transactions/{transactionId}/refundable-amount`

## Request

- Base URL: `https://core.quidkey.com`
- URL: `https://core.quidkey.com/api/v1/merchants/{merchantId}/transactions/{transactionId}/refundable-amount`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/banqzinc/apis/quidkey-api/docs/api/v1/merchants/:merchantId/transactions/:transactionId/refundable-amount/get.ts> (a function with typed inputs; its response is checked against the schema)

Get the maximum refundable amount for a transaction

## Path parameters

- `merchantId` string, uuid, required: The unique identifier of the merchant
- `transactionId` string, uuid, required: The unique identifier of the original transaction

## Response `200`

Success

- CrossBorderRefundRefundableAmountResponse
  - `success` boolean, required
  - `data` object, required
    - `amount` string, required: Maximum refundable amount as a decimal string
    - `currency` string, required: Currency code (ISO 4217)

## Other responses

- `401`: Unauthorized
- `404`: Not Found

## Changes

- **2026-06-17** `b372e7d5563d`: 1 info
  - endpoint added
- **2025-11-02** `919eb7a392aa`: 1 breaking
  - api path removed without deprecation

[Operation history](https://skmtc.dev/banqzinc/apis/quidkey-api/changes/api/v1/merchants/:merchantId/transactions/:transactionId/refundable-amount/get.md)

---

[API](https://skmtc.dev/banqzinc/apis/quidkey-api.md) - [All operations](https://skmtc.dev/banqzinc/apis/quidkey-api/llms.txt) - [OpenAPI document](https://skmtc.dev/banqzinc/apis/quidkey-api/revisions/f86d2bdbcb08?raw)