Three regulation calculators as JSON endpoints: EU AI Act classification (Regulation (EU) 2024/1689), CBAM certificate cost 2026 to 2034 (Regulation (EU) 2023/956) and the UAE Corporate Tax

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

Validate IBANs against ISO 13616 lengths and MOD-97 check digits, and parse them into bank, branch, and account parts.

The Location Boundaries API is a tool that uses HTTP POST requests to retrieve location boundaries. It enables users to obtain information on the boundaries of a specific location, including those it is a part of and those it encompasses. This API is useful for a variety of applications, including location-based services, geographic analysis, and demographic research.

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

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

Block disposable emails in real time, safeguarding your database and ensuring fraud prevention with Temporary Mail Blocker API.

Blur faces in images for privacy protection with our Face Blur API, producing desensitized output images.

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.

Input any shortened URL and retrieve the real, unmasked destination instantly with this API—perfect for link audits, previews, or safety inspection.

Extract detailed US state speed limit information for better route optimization and safety features.

Easily get speed limit data across US states, ensuring accurate information for drivers and developers.

Efficiently retrieve speed limits for each US state to enhance navigation apps and travel planning.

Access up-to-date US state speed limit data for safe driving decisions and compliance.

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.

Carrier change alerts via watchlists, one-call good/bad pickup check, truck lookup by plate or VIN, 100-carrier batches. Plus USDOT/MC lookups: authority, insurance, safety flags.

Validate Brazilian boletos (bank slips and utility/tax bills), verify check digits, extract bank, amount and due date, and convert between digitable line and barcode.

UK Making Tax Digital for Income Tax Self Assessment (MTD ITSA) mandation threshold and start date, by qualifying income. Independent product — not affiliated with HMRC.

This API delivers structured access to speed limit data across U.S. states, allowing users to query limits for urban, rural, and highway roads. It enables developers and analysts to integrate transportation policies into their systems easily.

The Urban Traffic Congestion API provides users with access to real-time alerts and traffic jam information. Users can define a geographic area using latitude and longitude pairs, and retrieve relevant alerts and jams within that area. This can be useful for a wide range of applications, from traffic monitoring to location-based marketing.

Complete SEO and AI search data access: domain analytics, competitor insights, deep keyword research, LLM responses monitoring, and comprehensive backlink metrics.

Due date from last menstrual period using Naegele's rule, with 21-45 day cycle length correction.

Conception date from a last menstrual period or from a known due date, as ISO 8601 dates

Capture essential speed limit statistics for US states, enhancing transportation and safety applications.

"Cross Border Currency API: Real-time exchange rates, multi-currency support and seamless integration allow users to perform accurate and efficient global transactions."