POSTPubliciban-validation

IBAN Validation

Validate IBAN structure and checksum and return country, SEPA, bank, BIC, and account details.

Usage Cost

20 coins/call

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Documentation

IBAN Validation

Validate IBAN structure and checksum and return country, SEPA, bank, BIC, and account details.

Endpoint

POST /v1/iban-validation

Authentication

Use a ToolKK OpenAPI AppKey. APILayer credentials stay on the ToolKK provider gateway.

Billing

A successful call costs 20 coins.

Errors

Invalid input, quota exhaustion, authentication faults, and temporary provider failures return normalized error codes and messages.

Integration Examples

Includes ready-to-use Shell, Python, Go, Java, and PHP examples for direct integration.

Request Example

{
  "iban_number": "DE89370400440532013000"
}

Response Example

{
  "code": "SUCCESS",
  "message": "success",
  "data": {
    "valid": true,
    "iban": "DE89370400440532013000",
    "country": "Germany",
    "country_code": "DE",
    "sepa_country": true,
    "bank_name": "Commerzbank",
    "bic": "COBADEFFXXX"
  }
}

Request Fields

The fields below are derived from example JSON for integration reference only.

Path	Type	Sample
iban_number	string	DE89370400440532013000

Response Fields

The fields below are derived from example JSON for integration reference only.

Path	Type	Sample
code	string	SUCCESS
message	string	success
data	object	{...}
data.valid	boolean	true
data.iban	string	DE89370400440532013000
data.country	string	Germany
data.country_code	string	DE

curl --request POST \ --url 'https://openapi.toolkk.com/v1/iban-validation' \ --header 'Content-Type: application/json' \ --header 'X-API-Key: YOUR_API_KEY' \ --data '{\n "iban_number": "DE89370400440532013000"\n}'

import os import requests url = "https://openapi.toolkk.com/v1/iban-validation" payload = { "iban_number": "DE89370400440532013000" } headers = { "Content-Type": "application/json", "X-API-Key": os.getenv("TOOLKK_API_KEY", "YOUR_API_KEY"), } response = requests.request("POST", url, headers=headers, json=payload, timeout=30) response.raise_for_status() print(response.json())

package main import ( "bytes" "fmt" "io" "net/http" ) func main() { endpoint := "https://openapi.toolkk.com/v1/iban-validation" payload := []byte("{\n \"iban_number\": \"DE89370400440532013000\"\n}") req, err := http.NewRequest("POST", endpoint, bytes.NewBuffer(payload)) if err != nil { panic(err) } req.Header.Set("Content-Type", "application/json") req.Header.Set("X-API-Key", "YOUR_API_KEY") resp, err := http.DefaultClient.Do(req) if err != nil { panic(err) } defer resp.Body.Close() body, err := io.ReadAll(resp.Body) if err != nil { panic(err) } fmt.Println(string(body)) }

import java.net.URI; import java.net.http.HttpClient; import java.net.http.HttpRequest; import java.net.http.HttpResponse; public class ToolkkExample { public static void main(String[] args) throws Exception { String payload = "{\n \"iban_number\": \"DE89370400440532013000\"\n}"; HttpRequest request = HttpRequest.newBuilder() .uri(URI.create("https://openapi.toolkk.com/v1/iban-validation")) .method("POST", HttpRequest.BodyPublishers.ofString(payload)) .header("Content-Type", "application/json") .header("X-API-Key", "YOUR_API_KEY") .build(); HttpResponse<String> response = HttpClient.newHttpClient() .send(request, HttpResponse.BodyHandlers.ofString()); System.out.println(response.body()); } }

<?php $endpoint = 'https://openapi.toolkk.com/v1/iban-validation'; $payload = "{\n \"iban_number\": \"DE89370400440532013000\"\n}"; $ch = curl_init($endpoint); curl_setopt_array($ch, [ CURLOPT_RETURNTRANSFER => true, CURLOPT_CUSTOMREQUEST => 'POST', CURLOPT_HTTPHEADER => [ 'Content-Type: application/json', 'X-API-Key: YOUR_API_KEY', ], CURLOPT_POSTFIELDS => $payload, ]); $response = curl_exec($ch); if ($response === false) { throw new RuntimeException(curl_error($ch)); } curl_close($ch); echo $response;

IBAN Validation

Try it online

Documentation

IBAN Validation

Endpoint

Authentication

Billing

Errors

Integration Examples

Request Example

Response Example

Request Fields

Response Fields

Shell Example

Python Example

Go Example

Java Example

PHP Example