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

Fast & reliable online code compilation and execution of APIs for 50+ languages & databases

The Custom User Agent API allows developers to create tailored user agent strings for web scraping, testing, and automation. Generate specific user agents to simulate various browsers and devices, enhancing compatibility testing, performance analysis, and evasion of anti-bot systems for more effective and reliable application behavior.

Daily SaaS market intelligence engine delivering newly launched software, firmographic data, funding signals, AI tech indicators, and proprietary growth scores. Features an advanced v2 query framework with 8+ deep search parameters for hyper-targeted sales prospecting and competitive analysis.

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

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

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

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

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

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

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

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

Gain a competitive edge with the Market Competitors API. Input a domain and instantly uncover a list of similar businesses in your industry. This powerful tool provides valuable insights into your competition, helping you refine strategies and stay ahead in the market. Empower your business with precise competitor analysis.

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.

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.

JS Code Executer API is a powerful tool that allows you to write and execute custom JavaScript code seamlessly. It fills the gap in no-code platforms like Integromat or Make by providing missing native support for executing JavaScript. With this service, you can effortlessly run your own code and enhance your automation workflows with ease.

Shorten long URLs instantly with this powerful API. Create sleek, easy-to-share links ideal for marketing, analytics, and social media.

Effortlessly create unique and captivating business names using our Commercial Labeling API. Ideal for startups and entrepreneurs seeking memorable branding solutions.

The Fabricated Identity Generator API creates realistic digital identities, ideal for software testing, research endeavors, and preserving confidentiality.

Discover your rivals with ease using our Competitors Lookup API! Just input a domain, and watch as it generates a list of potential competitor names tailored to the company's business. Stay ahead of the game by gaining valuable insights into similar companies within seconds. Unleash your competitive edge today!

Detect disposable email addresses in real-time, ensuring your communications reach real users and eliminating fake accounts for effective marketing and user validation.

Easily generate distinctive and engaging business names with our Company Branding API. Perfect for startups and entrepreneurs aiming for unforgettable branding solutions.

The JAVA Code Compiler API allows developers to compile and execute Java code programmatically. It provides a convenient way to integrate code compilation functionality into applications or development environments, enabling users to compile and run Java code without the need for a separate compiler setup.

Optimize your CI/CD pipeline with our email testing solutions—lightning-fast and robust!

Streamline your application with the Unit Conversion Data Extractor API for fast and accurate unit transformations.