---
title: "Bank code lookup"
method: POST
path: "/bank_code_lookup"
tags: ["Bank Code Lookup"]
---

# Bank code lookup

`POST /bank_code_lookup`

Retrieve the bank code of the bank holding an account from its IBAN

## Request body

- object
  - `account_number` string, required — The IBAN used to identify the associated bank code. In sandbox, every IBAN returns `BANKXXPP` with `XX` being the first 2 letters of the IBAN, except for `FR5814508000307438479856J64` that returns a functional error.

## Response `200`

200

- object
  - `bank_code` string, required — The bank code associated with the IBAN.

## Other responses

- `400` — Validation error.

---

[API](https://skmtc.net/numeral/apis/payments.md) · [All operations](https://skmtc.net/numeral/apis/payments/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/numeral/payments/revisions/220f101cc2ef/schema)