---
title: "iban (paid, $0.001 USDC on Base)"
method: POST
path: "/v1/iban"
tags: ["Paid"]
---

# iban (paid, $0.001 USDC on Base)

`POST /v1/iban`

## Request

- Base URL: `https://valid.fabtally.com`
- URL: `https://valid.fabtally.com/v1/iban`
- Auth: none declared

Validate an IBAN. Give {iban}; get ISO 13616 length + mod-97 checksum validation, the country, the human-formatted grouping, and the bank identifier (e.g. German Bankleitzahl, UK bank+sort code) extracted from the BBAN where the layout makes it derivable. Pure-offline, read-only, stateless.

## Request body

- object

## Response `200`

Result

- object

## Other responses

- `400`: Bad input (never charged)
- `402`: Payment Required (x402 v2 challenge)

---

[API](https://skmtc.dev/fabtally/apis/fabtally-valid-validation-suite-for-developers-agents.md) · [All operations](https://skmtc.dev/fabtally/apis/fabtally-valid-validation-suite-for-developers-agents/llms.txt) · [OpenAPI document](https://skmtc.dev/fabtally/apis/fabtally-valid-validation-suite-for-developers-agents/revisions/55882a3aadfa?raw)