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

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).

AI-generated crypto trading signals with LLM thesis, confidence scoring, TP/SL targets, and technical breakdown for algorithmic trading systems.

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.

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.

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.

Render diagrams from text-based notation including Mermaid, PlantUML, and DOT syntax. Returns high-quality PNG or SVG images of flowcharts, sequence diagrams, class diagrams, and more.

Handle various documents smoothly with our Multi Document Type Check for MRZ and document numbers.

Streamline your processes using our Document Number Format Validation Check for accurate MRZ and document number formats.

Elevate your brand with QR codes featuring custom logos for professional impact using our Pro Generator API.

PresentID Document scanner API localizes document images with various distortion types from a single input image.

Guarantee compliance with international standards using our ICAO Standards Compliant Check for MRZ and document numbers.

Transform facial expressions in images with advanced editing technology, enabling smiles, pouts, frowns, and more with our API.

Digital Signature Verification API ensures compliance by validating electronic signatures, including QES and AdES.

Quickly validate IMEI numbers to ensure your devices are genuine and compliant with our instant service.

Ensure email integrity with Email Sanity Checker API, detecting spoofing and phishing threats seamlessly.

Instantly transform descriptions into artistic imagery with the Capture Styled Images from Text API—perfect for all projects!

Transform your text into stunning styled images with ease using our intuitive API!

Unlock the power of visuals with our Text to Image Generation API, turning words into captivating graphics in seconds!

Transform your text into stunning visuals effortlessly with our Text to Image Conversion API, perfect for creative projects.

Introducing HTML Business Email Footer API, a powerful tool that streamlines the process of creating professional, eye-catching signatures for users of all sizes.

Rodent Recognize API is a small mammal breed classification service powered by image analysis.