Global IBAN, BIC/SWIFT & Bank Routing Validator API — .NET / C# SDK

ISO 13616 MOD-97 IBAN checksum verification, ISO 9362 BIC/SWIFT validation, and national bank routing extraction across 87 countries.

Official high-performance .NET client library for Global IBAN, BIC/SWIFT & Bank Routing Validator API, built on the Stanza Micro-API Network. Fully compatible with .NET Standard 2.0, .NET 6.0, .NET 7.0, and .NET 8.0+.

• 🌐 Online Interactive Sandbox: Test your inputs live
• 📚 API Reference & Schemas: View documentation on Stanza
• ⚡ Platform Overview: Explore the Stanza Developer Network

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📦 Installation

dotnet add package StanzaApi.IbanValidator

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🚀 Quickstart

using System;
using System.Threading.Tasks;
using StanzaApi.IbanValidator;

class Program
{
    static async Task Main()
    {
        // Initialize client (reads STANZA_API_KEY from environment if not passed)
        var client = new IbanValidatorClient();

        // Perform deterministic verification
        string responseJson = await client.ValidateAsync("DE89370400440532013000");
        Console.WriteLine(responseJson);
    }
}

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📄 Example Response

{
  "success": true,
  "data": {
    "valid": true,
    "iban": "DE89370400440532013000",
    "country_code": "DE",
    "bank_code": "37040044",
    "bic_candidate": "COBADEFFXXX"
  }
}

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⚙️ Configuration

Pass options directly to the IbanValidatorClient constructor:

var client = new IbanValidatorClient(
    apiKey: "your_api_key_here",
    baseUrl: "https://api.stanzaapi.com/iban-validator"
);

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🔗 Useful Links

• Global IBAN, BIC/SWIFT & Bank Routing Validator API Interactive Sandbox
• Stanza Developer Directory
• Source Code & Issue Tracker

📄 License

MIT © Stanza — Powered by Stanza.