Popular API

Bank Validation API

Validate international bank accounts (IBAN) and BIC codes with comprehensive format checking. Perfect for payment systems, financial applications, and bank account verification.

API Endpoint
https://bankvalidation.cleariflow.com/v1/iban/?api_key=YOUR_API_KEY&iban=DE89370400440532013000
Try it now
Test the API with live data
Need inspiration? Try:

API Benefits

IBAN Validation

Validate International Bank Account Numbers with format and checksum verification for 50+ countries.

BIC Support

Validate Business Identifier Codes with detailed bank and institution information and structure validation.

Global Coverage

Support for bank validation across Europe, Asia, Africa, and the Americas with country-specific rules.

Format Verification

Comprehensive format checking including country-specific structure validation and length verification.

Checksum Validation

Advanced checksum algorithms ensure data integrity and prevent errors with detailed validation results.

Lightning Fast

Sub-100ms response times with 99.9% uptime guarantee and global infrastructure.

Key Features

IBAN format validation
BIC code validation
50+ countries supported
Checksum verification
Country-specific validation
Account type detection
Currency identification
Structure validation
Example generation
Error detection
Bulk validation
JSON response format
Quick Start Guide

1. Get your API key

Sign up for free and get instant access to your API key.

2. Make your first request

curl -X GET "https://bankvalidation.cleariflow.com/v1/iban/?api_key=YOUR_API_KEY&iban=DE89370400440532013000"

3. Handle the response

{
  "iban": "DE89370400440532013000",
  "is_valid": true,
  "country_code": "DE",
  "country_name": "Germany",
  "bank_code": "37040044",
  "account_number": "0532013000",
  "length": 22,
  "expected_length": 22,
  "checksum_valid": true,
  "format_valid": true,
  "details": {
    "structure": "BBBB BBBB BBBB BBBB BB",
    "example": "DE89 3704 0044 0532 0130 00",
    "bank_name": "Bank information not available",
    "bank_bic": "BIC not available",
    "account_type": "Bank Account",
    "currency": "EUR"
  }
}