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Best build verification APIs

EmailLabs Verification API

Communication & Messaging

Validate and score email addresses in real time — syntax, domain/MX, disposable, role-based and typo detection. Every check except SMTP, in a single fast call.

Free 7-Day Trial

100% uptime 314ms avg MCP ready

EmailLabs Email Verification API

Communication & Messaging

Validate and score email addresses in real time — syntax, domain/MX, disposable, role-based and typo detection. Every check except SMTP, in a single fast call.

Free 7-Day Trial

100% uptime 295ms avg MCP ready

License Verification and Activation API

Security & Cybersecurity

License verification API for validating license keys, enforcing activation limits, and preventing key sharing for software, SaaS, plugins, and desktop apps.

Free 7-Day Trial

100% uptime 210ms avg MCP ready

Payment Card Verification API

Finance & Payments

"Effortlessly integrate the Payment Card Verification API for seamless and secure credit card validation in your applications."

Free 7-Day Trial

100% uptime 183ms avg MCP ready

Speaker Verification

Voice & Speech Technology

PresentID Speaker verification API checks whether two voices belong to the same person or not. This capability is potentially useful in call centers.

Free 7-Day Trial

100% uptime 394ms avg MCP ready

MCA Corporate Verification API

Company Data

The MCA Corporate Verification API provides a secure and efficient way to verify if your merchants are registered with the Registrar of Companies in India and have the same details as expected. This helps to make your onboarding process faster and smarter, while also ensuring that it is safer and more reliable.

Free 7-Day Trial

100% uptime 640ms avg MCP ready

Card Secure Checkup API

Finance & Payments

Validates BIN numbers instantly and provides card brand, type, level, issuing bank, country details, and official bank contact information.

Free 7-Day Trial

100% uptime 107ms avg MCP ready

Digital Product Security License Verification and Activation API

Security & Cybersecurity

Safeguard digital products with our Digital Product Security API for robust license verification and activation.

Free 7-Day Trial

100% uptime 314ms avg MCP ready

Card Verifier API

Finance & Payments

Ensure secure transactions with our Card Verifier API, built to protect sensitive card data seamlessly.

Free 7-Day Trial

100% uptime 56ms avg MCP ready

Credit Card Verification API

Finance & Payments

Safeguard your business with our Credit Card Verification API, designed to secure sensitive information and prevent breaches.

Free 7-Day Trial

100% uptime 45ms avg MCP ready

Card Number Verifier API

Finance & Payments

Build confidence in your transactions with our Card Number Verifier API, providing detailed evaluations of vendor reliability.

Free 7-Day Trial

100% uptime 85ms avg MCP ready

Mail Verification API

Communication & Messaging

Validate email addresses quickly and effectively with features like domain analysis, free provider detection, disposable email blocking, and inbox readiness scoring.

Free 7-Day Trial

100% uptime 392ms avg MCP ready

Card Payment Verifier API

Finance & Payments

Validate and strengthen user trust with the Card Payment Verifier API, designed for seamless card authentication.

Free 7-Day Trial

100% uptime 190ms avg MCP ready

Verify Instant Card API

Finance & Payments

This API instantly verifies BIN numbers, offering card details including brand, type, level, issuing bank, country of origin, and contact information.

Free 7-Day Trial

100% uptime 99ms avg MCP ready

Advanced BIN Verification API

Finance & Payments

Strengthen your risk management strategy with our Advanced BIN Verification API, designed to mitigate fraudulent transactions effectively.

Free 7-Day Trial

100% uptime 55ms avg MCP ready

Card Verification API

Finance & Payments

Enhance your security with our Card Verification API, designed for real-time fraud detection and user authentication.

Free 7-Day Trial

100% uptime 104ms avg MCP ready

SSL - TLS Certificate Verification API

Security & Cybersecurity

The SSL/TLS Certificate Verification API provides developers with a streamlined solution to validate and authenticate SSL/TLS certificates programmatically. It enables applications to verify the authenticity, expiration, and chain of trust of certificates, ensuring secure connections and compliance with encryption standards across web services and applications.

Free 7-Day Trial