Optimize software ownership with our Software Licensing Solutions API for reliable 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.

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

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

Watermark Detection API allows developers to quickly and easily detect the presence of a watermark on an image by providing a full, public internet URL to the image.

EPC label, EPBD MEPS compliance, and stranding-risk screening across 8 EU markets — primary energy, solar obligation, renovation cost, and cap-rate discount modelling for lenders and asset managers.

Access comprehensive domain RDAP data effortlessly with this API for accurate ownership information.

Uncover and retrieve accurate domain ownership information seamlessly using our robust API.

The Domain Ownership API provides detailed domain registration information, enabling users to retrieve ownership details, contact information, and registration history effortlessly.

The Aspect Ratio Restoring API automatically detects distorted images and restores their content to their original proportions. By identifying over-stretched images, this API provides an automated solution to correct aspect ratio issues, ensuring the image maintains its intended appearance.

Quickly obtain accurate domain ownership data using the Fetch Domain Ownership Data API, tailored for developers.

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.

Add professional text watermarks to any PDF document with full control over position, opacity, font size, color, and rotation. Stamp documents with CONFIDENTIAL, DRAFT, your brand name, or any custom text across every page. The watermark is rendered as selectable, high-quality text with Unicode support. Ideal for branding, copyright protection, document status marking, and legal workflows. Upload a PDF and receive a downloadable watermarked file.

Unlock valuable insights into domain ownership with the Precision Domain Ownership Insights API, enhancing your decision-making.

Image Restoration API removes watermarks from images, producing high-resolution, crisp results while preserving the original content’s integrity, clarity, and detail.

Access essential domain ownership details effortlessly with our Domain Owner Information Retrieval API.

Extracts and validates social preview metadata from webpages or raw HTML, including preview titles, descriptions, images, page URLs, content type fields, warnings, errors, and status information.

Protect your financial exposure with our Comprehensive Comprehensive EU Building Energy Compliance API for Financial Exposure ensuring robust compliance across all standards.

Gain valuable insights into building energy compliance with our Developer Insight Developer Insight EU Building Energy Compliance API for informed decisions.

Assess risk effectively using our EU Building Energy Compliance Risk Assessment API, safeguarding your investments against non-compliance.

Facilitate seamless compliance checks with our EU Building Energy Compliance API for Fund Compliance Teams designed specifically for Fund Compliance Teams.

Optimize your acquisition strategies with our Acquisitions Focused Acquisitions Focused EU Building Energy Compliance API, ensuring energy-efficient properties.

Streamline your lending processes with our Lender Focused Lender Focused EU Building Energy Compliance API tailored for energy efficiency standards.

The Registration Information Checker API efficiently confirms domain ownership information, enhancing online security, brand management, and domain research effortlessly.

The Content Integrity API detects and rewrites AI-generated content, ensuring the originality and integrity of academic, business and creative works.