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. 🚀

Generate realistic, schema-aware synthetic test data for any database schema. 50+ field types, AI prompt-to-schema, pre-built templates, JSON/SQL/CSV output.

Easily Encrypt/Decrypt MD5, SHA1, SHA256, SHA384, SHA512 and more...

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).

The Secure Temporary Mail API a tool that generates temporary disposable emails, allowing users to protect their privacy and avoid spam while signing up for online services.

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

Check if the selfie your users take is indeed live, optimally clicked to save in your records, if there are multiple faces detected in the image, and what percentage of the image the face actually covers.

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

The Temporal Email Checker API confirms email authenticity by detecting temporary or disposable addresses, crucial for preventing spam and fraud.

The Temporal Email Validation API verifies email legitimacy by identifying temporary or disposable addresses, crucial for preventing spam and fraud.

The Temporary Email Validator API swiftly identifies and blocks temporary email addresses, enhancing online security by preventing spam, fraud, and abuse.

The Exchange Value API facilitates seamless real-time exchange rate calculations, ensuring accuracy and versatility for applications requiring swift and precise currency conversions.

"Enhance security with the Fortify Key API—craft strong, randomized passwords programmatically, fortifying applications against unauthorized access."

Transient Email Checker API: Enhance data integrity and security by instantly identifying and blocking disposable/temporary email addresses in real-time.

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.

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: … ».

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

A secure email validation API that checks format, domain configurations, and email risks, delivering actionable insights and reliability scores.

Generate tokens for your projects on the fly with this API. Generate unique tokens.

The Hashing API ensures string security effortlessly, offering top-notch methods such as SHA and MD5. Safeguard sensitive data with robust hashing techniques, providing a reliable layer of protection for your information.

Unlock the power of secure data management with our Hashing Encryption and Decryption API. Safeguard your strings effortlessly by choosing from top-notch methods like SHA and MD5. Whether encrypting for confidentiality or decrypting for insight, our API ensures your data remains in your control, fortified with cutting-edge cryptographic techniques.

The Temporary Gmail API allows you to create completely new, never-before-used email addresses with Gmail, providing a convenient solution for avoiding spam. Whether you need them for OTP confirmations, signing up on untrustworthy sites, or any other purpose, this service empowers you with the flexibility to manage your online privacy effortlessly.

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

The Flight Schedule API offers seamless access to upcoming flight schedules, delivering essential details such as aircraft information, departure times, airline data, and flight numbers.

Parse, validate, describe, and generate cron expressions. Converts cron syntax to human-readable descriptions and calculates next run times.

Universal JSON Fix repairs broken or malformed JSON, especially from LLMs like ChatGPT, Claude, Deepseek, Gemini, or Llama. This API ensures reliable parsing by fixing mixed quotes, missing commas, and formatting issues, making it ideal for AI applications.

The Quick Mail Validator API confirms email authenticity by detecting temporary or disposable addresses, crucial for preventing spam and fraud.

The Travelport Universal API provides real-time and historical data on flights, airports, schedules, prices, and more.

Unlock the specifications of any Tesla vehicle with our advanced VIN Decoder API. Discover detailed insights in seconds with 99.99% guaranteed uptime and enterprise-grade reliability.

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.

Powerful and reliable API service that provides real-time domain registration data for businesses, cybersecurity professionals, and developers. Our API delivers accurate and up-to-date WHOIS information in a simple, easy-to-parse JSON format, allowing you to monitor domain ownership, prevent fraud, and enhance your applications with valuable insights.

Retrieve secure and random passwords instantly using the Fetch Secure Passwords API, ensuring robust protection.

Securely fetch, manage, and retrieve your passwords effortlessly with the Secure Password Fetcher API.

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

The String Encryption API transforms any string into a secure hashed code using recognized algorithms such as md5 and sha256. Enhance data security by seamlessly integrating this tool, providing robust encryption options to safeguard sensitive information within your applications.

Text Rewriter API allows you to automatically rephrase text, preserving its meaning while changing its wording. The API supports multiple languages and can be integrated with any application for content generation, SEO and plagiarism prevention

The One Time Links API enables developers to easily generate secure, time-limited URLs for sharing information and resources. This powerful tool ensures that each link is unique and can only be accessed for a limited duration, enhancing privacy and security in link sharing.

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

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

Secure your retail operations with the Card Authenticator API, validating customer creditworthiness for informed decisions.

Access comprehensive travel data effortlessly with the Travelport Data Retrieval API for integrated systems.

Extract diverse travel information quickly using the Travelport Universal Data Extractor API for enhanced applications.

Capture and store temporary email data efficiently for secure sign-ups and testing environments.

Easily access and retrieve media assets using the Retrieve Travelport Media API for better travel engagement.

Fetch comprehensive travel content and exclusive offers effortlessly using the Travelport Content Fetcher API, enhancing bookings and delivering superior travel experiences worldwide.

Access trending TikTok content from Japan with this API for real-time insights.

Retrieve robust, secure passwords tailored to your needs using the Retrieve Strong Passwords API.

Instantly assess the trustworthiness of any vendor domain. Returns a scored JSON report covering domain age, email authentication, HTTPS, security signals, legal pages, and support availability — in a single API call.