One wrong digit can turn into a failed payment. IBAN-Test validates IBANs in seconds, reveals available bank details and helps businesses catch costly input errors—online, via REST API or directly from AI tools through MCP.
IBAN-Test validates and generates IBANs instantly via web, REST API or MCP, catching errors before payments fail.
- for
- Developers and businesses needing reliable bank account validation for payments.
- pricing
- freemium
works withREST APIMCPAndroidiOS
Key features
6 features of IBAN-Test
- IBAN format check — Validates structure, length and checksum for 115 IBAN formats.
- Bank directory validation — Cross-checks bank identifiers against 50,000+ bank & branch codes for 40 countries.
- IBAN generation — Creates valid IBANs from sort code and account number.
- REST API access — Integrates validation and generation into apps, forms and payment flows.
- MCP server support — Connects AI agents to IBAN validation, BIC checks and usage data.
- Mobile app — Check and generate IBANs on Android and iOS devices.
Use cases
- Validate customer IBANs in checkout forms to prevent failed SEPA payments.
- Generate correct IBANs for onboarding bank accounts in SaaS platforms.
- Automate bank-aware validation in AI agents via MCP for finance workflows.
IBAN-Test vs alternatives
IBAN-Test | PostalDataPI | Smithery | ||
|---|---|---|---|---|
| Best for | Bank-aware IBAN validation | General bank data queries | General MCP hosting | MCP server discovery |
| Pricing | Freemium | Subscription | Subscription | Free |
| DevHunt upvotes | 1 | 76 | 29 | 0 |
| Launched | Jan 2029 | Apr 2026 | Jan 2026 | — |
- IBAN-Test vs PostalDataPI: Provides a broader global bank-data API but focuses on generic data, not IBAN-specific validation.
- IBAN-Test vs Unified MCP Server: Offers a generic MCP server for many tools, whereas IBAN-Test provides a dedicated IBAN validation MCP endpoint.
- IBAN-Test vs Smithery: Registry for MCP servers; IBAN-Test already includes its own MCP endpoint for IBAN checks.
IBAN-Test FAQ
Can I use IBAN-Test for free?+
Yes. The web tool can validate and generate IBANs for free, and new API users get 10 free requests every 24 hours.
Are entered IBANs or account details stored?+
No. IBANs, account numbers and bank codes are not stored permanently; only minimal data for account, quota and security is kept.
Why are not all countries supported?+
IBAN-Test only supports countries where reliable validation rules and bank directory data are available, prioritising quality over coverage.
How can I contact IBAN-Test?+
Use the contact form on the website for questions about validation, API, MCP, account or invoicing.
Summarized by DevHunt from iban-test.eu · Oct 10, 2026. Details may change; check the official site.
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IBAN-Test
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