Compare
IBAN-Test vs PostalDataPI
Provides a broader global bank-data API but focuses on generic data, not IBAN-specific validation.
.png?width=96)
IBAN-TestCatch bad bank details before they become failed payments.
PostalDataPIOne API, 240+ countries and territories, sub-5ms, $0.000028/query flat.
Which to pick
Pick IBAN-Test if you want…
- Bank-aware IBAN validation
- Integrations with REST API, MCP or Android (on IBAN-Test's list, not PostalDataPI's)
Pick PostalDataPI if you want…
- Flat-rate global postal code API
- General bank data queries
- Integrations with Python or MCP server (on PostalDataPI's list, not IBAN-Test's)
Side by side
- What it is
- IBAN-Test:IBAN-Test validates and generates IBANs instantly via web, REST API or MCP, catching errors before payments fail.
- PostalDataPI:PostalDataPI provides a global postal code lookup, validation, and enrichment API with sub-5 ms responses.
- Best for
- IBAN-Test:Bank-aware IBAN validation
- PostalDataPI:Flat-rate global postal code API
- Who it’s for
- IBAN-Test:Developers and businesses needing reliable bank account validation for payments.
- PostalDataPI:Developers needing fast, low-cost postal code data for any country.
- Pricing
- IBAN-Test:Freemium
- PostalDataPI:Pay-as-you-go
- Plans
- IBAN-Test:—
- PostalDataPI:Pay-as-you-go $0.000028 per query
- Works with
- IBAN-Test:REST API, MCP, Android, iOS
- PostalDataPI:Python, MCP server
IBAN-Test features
- 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.
PostalDataPI features
- 240+ country coverage. Lookup postal codes for more than 240 countries and territories.
- Sub-5 ms latency. Cached responses return in under five milliseconds.
- Flat per-query pricing. All queries cost $0.000028, no tiers or contracts.
- Free starter quota. New accounts receive 1,000 free queries without a credit card.
- Python SDK. Official client library for Python developers.
- Node SDK. Official client library for Node.js developers.
- MCP server. Self-hosted server for AI agents to query the API.
- Auto-recharge option. Balance can be recharged manually or automatically.
IBAN-Test vs PostalDataPI FAQ
Is IBAN-Test or PostalDataPI free?+
IBAN-Test has a free plan and paid plans.
Do IBAN-Test and PostalDataPI integrate with the same tools?+
Their integration lists don't overlap: IBAN-Test lists REST API, MCP, Android and iOS; PostalDataPI lists Python and MCP server.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.