---
title: "IBAN Validator + BIC Lookup + SEPA Reachability"
method: POST
path: "/v1/tools/validate_iban_bic"
tags: ["IBAN", "BIC", "SWIFT", "SEPA", "validation", "account", "ISO 13616"]
---

# IBAN Validator + BIC Lookup + SEPA Reachability

`POST /v1/tools/validate_iban_bic`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/validate_iban_bic`
- Auth: none declared

Validates IBANs using MOD 97 check digit algorithm across all IBAN countries. Validates BIC/SWIFT codes and checks SEPA reachability. Supports batch CSV validation with full export.

**Tool URL:** https://ainumbers.co/tools/16-iban-bic-validator.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `iban` string
  - `bic` string

## Response `200`

Successful tool execution result

- object
  - `iban_valid` boolean
  - `bic_valid` boolean
  - `sepa_reachable` boolean
  - `country` string
  - `bank_code` string
  - `batch_total` number
  - `batch_pass` number
  - `batch_fail` number

---

[API](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite.md) · [All operations](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/llms.txt) · [OpenAPI document](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/revisions/b462e4f5bb28?raw)