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 WhatsApp OTP API enables seamless user authentication and transaction verification by sending OTPs directly to phone numbers. It receives a phone number and message content, then responds with a status and transaction ID. Ideal for user logins, transaction confirmations, and password resets, it offers substantial savings with plans starting at $24.99 for 2,500 OTPs. 🚀

Verify emails in real time, detect valid domains, correct formatting, MX records, gravatars, and blacklists to ensure reliable deliverability.

With this API you can check if an e-mail address is valid or invalid and if it is a temporary / disposable account. If the address is valid and it isn't a temporary email account then the "block" parameter will be false. Otherwise, it will be true.

The Instant Email Validation API validates email addresses in real time, ensuring that they exist and can receive emails, returning instant results in JSON format.

A comprehensive identity verification suite providing high-performance tools for document validation and data extraction. MRZ Parser: Fully compliant with ICAO standards (TD1, TD2, TD3, MRVA, MRVB) to extract identity info, document types, and all data from Machine Readable Zones. Document Number Validation: Checksum and format verification for Polish ID cards, Passports, Driving Licenses, and more (9-character alphanumeric support). Polish Identity Validators: Dedicated endpoints for local identifiers: PESEL: National ID number validation. NIP: Tax Identification Number (handles formatted and raw input). REGON: Business registry numbers (supports both 9 and 14-digit formats).

Analyzes password security, detects compromises, measures risk, and offers recommendations and suggested secure passwords to improve protection.

The Temporary Email Validation API quickly detects and removes temporary email addresses, improving communication security and reducing potential risks.

Accurately verify emails by evaluating format, domain, MX, SPF, DMARC, blacklists, reliability, and detecting disposable, suspicious, or role-based emails.

The Email Validate API validates email addresses in real time, ensuring their authenticity and reducing the risk of bounces in email marketing campaigns.

Send OTP and notifications to your users by email. Forget about configurations and records with this API.

Busca de CPF, Nome completo, Data de Nascimento, Sexo, Óbito, Nome Da Mãe e Pai entre outros.

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

The True Mail Validator API Protect your database by eliminating disposable and fake emails, improving deliverability, effective communication and optimizing marketing campaigns to real recipients.

The Password Strength Validator API assesses password robustness, enhancing security measures by evaluating password complexity and vulnerability against potential breaches.

Generate a detailed travel itinerary with schedules, locations, and personalized activities.

FreeCustom.Email is a powerful API that enables users to generate temporary email addresses for seamless online registration and OTP testing. With its user-friendly interface, you can effortlessly create disposable email accounts to bypass spam and enhance privacy, while easily receiving one-time passwords and verification emails without any hassle. Ideal for developers and testers, this API ensures secure and anonymous interactions with online services.

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

Validate tax identification numbers for 7 Latin American countries: CUIT (Argentina), RUT (Chile), RUC (Peru, Ecuador, Paraguay), NIT (Colombia), and CI (Uruguay). Check digit verification, formatting, and entity type detection.

The Password Generator Service API empowers developers to create robust and secure passwords effortlessly. It offers customization options such as length, complexity, and character types, ensuring passwords meet specific security requirements. This API integrates seamlessly into applications, providing a reliable solution for generating strong passwords programmatically.

Strong Password API is a robust and reliable password generator API that enables developers and enterprises to enhance the security of their applications, accounts and user data

"The Temporal Email Verification API ensures email legitimacy by identifying temporary or disposable addresses, vital for spam and fraud prevention."

Ensure high-quality leads with the Quick Email Verification API, your fast, reliable solution.

Shield your platform from spam with the Validate Emails and Phone Numbers API.

Verify Polish identities seamlessly with our dedicated Polish Identity Information Check for MRZ and document numbers.

Enhance your application's security with the Phone Security Validation API, ensuring only legitimate numbers are validated.

Retrieve essential information from your emails securely with our Blacklist Email Check API, ensuring privacy and accuracy.

Email verification API with real SMTP RCTP TO check, DNS, disposable, catch-all, and role-based detection in a single request.

Enhance your email security with the Validate Email Security Check API, designed to identify potential threats effectively.

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.

Evaluate and analyze password risks with precision to protect sensitive information.

Assess password security risks effortlessly and enhance your cybersecurity with our API.

Fetch detailed password threat assessments to proactively mitigate security risks.

Access comprehensive password vulnerability data to strengthen your defenses.

Validate and verify email addresses securely to enhance user trust and reduce fraud with our Trusted Email Checker API.

Validate email content to ensure authenticity and reduce spam with our Real Email Validator API, protecting your brand's integrity.

Uptimer is a powerful API designed to monitor the uptime and performance of websites and services in real-time. It provides instant alerts and detailed analytics, enabling users to ensure their online assets are always functioning optimally. With customizable monitoring intervals, multi-location checks, and integration capabilities, Uptimer helps businesses maintain high availability and enhance user experiences through proactive problem detection and resolution.

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

Verifies BIN numbers and returns card brand, type, level, issuing bank name, country, and essential contact information instantly.

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

Verify payments securely through our Secure Payment Verification API, optimizing transaction integrity for improved business security.

Ensure seamless payments with our Card Validator API, reducing fraud risks and enhancing customer trust.

Protect your business with our advanced Credit Card Fraud Detection API, ensuring secure transactions and minimizing losses.

Gain insights with our Accurate BIN Number Analysis API, helping you identify card types and prevent fraudulent activities.

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

Confirm email addresses rapidly to boost marketing effectiveness and user trust in your campaigns.

"Password Craft API generates strong, random passwords to enhance data security. With advanced encryption, it ensures robust protection against unauthorized access."

Efficiently verify email addresses with our service for improved accuracy in your communications.