---
title: "Adjust Card Balance"
method: PUT
path: "/cards/{cardId}/credit"
tags: ["Card"]
---

# Adjust Card Balance

`PUT /cards/{cardId}/credit`

## Request

- Base URL: `https://sandbox.api.caas.reap.global`
- URL: `https://sandbox.api.caas.reap.global/cards/{cardId}/credit`
- Auth: API key in header `x-reap-api-key`
- TypeScript: <https://skmtc.dev/reap-global/apis/reap-api/docs/cards/:cardId/credit/put.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `cardId` string, uuid, required: The unique identifier of the card that you want to adjust its balance.

## Headers

- `Accept-Version` string, required: Specifies the API version to use for this request.

## Request body

- object
  - `adjustment` string, required: Specifies the amount to adjust the card’s balance. Positive values increase the **availableBalance**, raising its spending power. Negative values decrease the **availableBalance**, reducing its spending power. **Note**: The amount should be denominated in the card’s currency, either HKD or USD.

## Response `200`

Returns the card balance before and after the balance adjustment.

- object
  - `creditBefore` string, required: The card balance associated with the specified **cardId** before the adjustment was made.
  - `creditAfter` string, required: The card balance associated with the specified **cardId** after the adjustment.

## Other responses

- `400`: Invalid inputs
- `403`: Forbidden
- `404`: Record not found

## Changes

- **2026-11-03** `beb4b8d4eb01`: 1 info
  - added the non-success response with the status `403`

[Operation history](https://skmtc.dev/reap-global/apis/reap-api/changes/cards/:cardId/credit/put.md)

---

[API](https://skmtc.dev/reap-global/apis/reap-api.md) - [All operations](https://skmtc.dev/reap-global/apis/reap-api/llms.txt) - [OpenAPI document](https://skmtc.dev/reap-global/apis/reap-api/revisions/beb4b8d4eb01?raw)