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EU Compliance Catch-All Detection Luhn Checksum VAT Verification Japanese Records Role-Based Email Detection Length Verification Alteration Detection LEI Verification Formatted Output Email Validation Card Validation Data Integrity Credit Card Verification LEI Lookup Issuer Check Card Number Validation Company Registration Compliance Alerts Email Verification

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Best issuer check APIs

Counterparty and Company Data API

Company Data

Check EU VAT numbers, LEIs and UK companies against their official registries (European Commission VIES, GLEIF, UK Companies House) in one call, with name matching and a single registry-check verdict. Not a credit, sanctions or fraud assessment.

Free 7-Day Trial

100% uptime MCP ready

Japan Company Verification API

Company Data

Verify Japanese company records with Ed25519-signed JSON responses. Check the issuer and detect any alteration, straight from your code.

Free 7-Day Trial

100% uptime 146ms avg MCP ready

IBANCheck API

Finance & Payments

IBAN validation API: structure, length, checksum and country checks for international bank account numbers, with formatted output. Single and batch verification.

100% uptime 109ms avg MCP ready

Mail Check API

Communication & Messaging

Validate email addresses in real time with syntax checks, domain verification, MX records, disposable email detection, role-based email detection, and deliverability scoring.

100% uptime 336ms avg MCP ready

Secure Card Check API

Finance & Payments

The Secure Card Check API validates card BINs and returns issuer details, card type, brand, country, and bank contact information instantly.

Free 7-Day Trial

100% uptime 127ms avg MCP ready

US SEC Edgar Filings Insider Radar API

Legal & Compliance

Retrieves official United States corporate regulatory filings including annual 10-K, quarterly 10-Q, and current 8-K disclosures by company stock ticker or central index key with accession numbers and filing dates.

Free 7-Day Trial

100% uptime MCP ready

Card Check API

Security & Cybersecurity

Card number validation API: Luhn checksum, network detection for 9 networks, length verification and a flag for published sample card numbers. Masked output only, no database lookups.

100% uptime 139ms avg MCP ready

Card Secure Check API

Finance & Payments

Instantly checks BIN numbers to provide detailed insights like card classification, issuing bank, region, brand, and essential contact information for verification.

Free 7-Day Trial