With this API you will be able to detect if any credit card is valid when it's making any transaction on your website.

The Credit Card Integrity API ensures card authenticity by verifying payment card details, offering secure transactions and fraud prevention for online businesses.

This API enables you to validate the legitimacy of credit cards during transactions on your website.

Real-time OFAC sanctions screening and compliance verification.

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

This API enables you to validate the legitimacy of credit cards during transactions on your website.

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

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

By integrating this API, your website can verify credit cards instantly to prevent fraudulent payments.

"Mastercard Validation API ensures secure transactions by swiftly verifying Mastercard details, offering seamless integration and enhanced fraud prevention for businesses."

This API empowers your website to validate credit cards before approving transactions.

The BIN Analyzer API provides real-time credit card validation, enhancing transaction security by identifying issuer details, card type, and origin instantly.

"Communication Authenticator API: Ensure email accuracy effortlessly. Confirm deliverability, syntax, and domain validity for seamless communication. Simplify your verification process."

This endpoint takes the information (string) as input, and provides the JWT-encoded result (string) as output. The output also includes a copy of the input, and a « status » value. Status is « Ok » or « Error: … ».

The Disposable Verification Identifier API detects disposable email addresses, preventing their use in account and communication records, improving data quality.

License validation backend for Gumroad and direct software sellers. Verify keys, enforce activation limits, and prevent key sharing without building custom infrastructure.

Manage subscriptions effectively with our SaaS Licensing Control API for streamlined license verification and activation.

Simplify your licensing process with our Cloud License Management API for efficient license verification and activation.

Optimize software ownership with our Software Licensing Solutions API for reliable license verification and activation.

The Email Authenticator API ensures email authenticity by verifying format, domain existence, and temporary service status, bolstering communication reliability.

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

Protect your revenue with our Key Sharing Prevention API, ensuring secure license verification and activation processes.

Validate license keys quickly with our License Key Validation API for enhanced software security and user control.

Streamline your software's security with our License Key Management API for seamless verification and activation.

The Bank Routing Authenticator API enables users to confirm the validity of bank routing numbers.

Validates academic emails by checking official domains of educational institutions, returning true or false depending on the authenticity detected.

"Introducing the Credit Card Validation Check API your secure solution for swift and accurate verification of payment card authenticity."

Elevate your correspondence with the HTML Business Signature Generator API. Craft exquisite email signatures that mirror your brand's essence dynamically. Seamlessly integrate personalized signatures into your communication flow, leaving an indelible mark of professionalism and creativity.

Audit email authentication records for any domain. Checks SPF, DKIM, and DMARC configurations, validates DNS records, and identifies security vulnerabilities in email infrastructure.

Craft tailor-made browsing experiences with our Dynamic User Agent API. Generate dynamic user agents on the fly, empowering your applications to seamlessly adapt and interact with websites. Elevate user privacy, security, and compatibility with ease.

Validate and verify card BINs effortlessly with our Comprehensive Card BIN Validation Service API for secure transactions.

Run automated WCAG accessibility audits on any web page. Detects violations, warnings, and best practices for ADA and EAA compliance.

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

Card Type Identifier API that provides secure validation with card brand, issuer, country, and type details—perfect for payment gateway security layers.

EU-Compliance: Digital Product Passport (DPP) Immutable QR Engine. Guaranteed 10-year URL persistence for Textile and Battery ESPR mandates (March 2026). High-error-correction QR generation optimized for industrial label printing. Frankfurt (EU-Central) data residency.

ChainAware API provides blockchain fraud detection, wallet risk scoring, rug pull analysis and segmentation services through secure authenticated endpoints.

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

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

Assess risk effectively using our Card Integrity API, ensuring robust protection against financial fraud.

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

Craft tailor-made browsing experiences with our User Agent Creator API. Generate dynamic user agents on the fly, empowering your applications to seamlessly adapt and interact with websites. Elevate user privacy, security, and compatibility with ease.

The AI Authorship Detection API accurately discerns if a given text is authored by artificial intelligence, contributing to content authenticity verification.

Block disposable emails in real time, safeguarding your database and ensuring fraud prevention with Temporary Mail Blocker API.

Check if a VISA card number is valid and fetch issuer bank name, country, type, and support contact using this powerful API.

Validate any VISA BIN or IIN to identify card brand, level, type, issuer name, country, and contact info—instantly and securely.

Accurately decode VISA BIN numbers to get credit card type, issuer bank, country code, and support contact info.

Instantly verify VISA BINs and access card type, level, issuer details, and country—ideal for payment systems and fraud detection tools.

BIN Inspector API returning card brand, type, level, issuer bank, and country to verify cards quickly and accurately.