---
title: "Set default card currency"
method: POST
path: "/api/fma/v1/card-currency"
tags: ["Managed Custody Mode"]
---

# Set default card currency

`POST /api/fma/v1/card-currency`

Set the user's default card transaction currency. UR resolves the card's externalId from the authenticated user; the setting affects the default refund currency display and debit preference.

## Headers

- `X-Api-Signature` string, required
- `X-Api-Deadline` string, required
- `X-Api-PublicKey` string, required
- `X-Ur-Id` string
- `X-External-User-Id` string

## Request body

- McSetCardCurrencyRequest
  - `currency` string, required — Target default transaction currency, such as USD, EUR, or CHF.

## Response `200`

Standard envelope. Business errors return HTTP 200 with a non-zero code.

- McBaseResponse — Standard UR OpenAPI response envelope. code 0 means success; a non-zero code is a business error described by message.
  - `code` integer, required — 0 on success; non-zero business error code.
  - `message` string, required — Human-readable explanation. May be empty on success.

---

[API](https://skmtc.net/ur/apis/ur-api.md) · [All operations](https://skmtc.net/ur/apis/ur-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/ur/ur-api/revisions/087dcf516ce2/schema)