Aperiodic Monotile Generator API — generate gap-free Spectre/Hat/Turtle/Tile(1,1) tilings clipped to a custom boundary (circle, rectangle, square, triangle, hexagon). Async jobs export SVG,

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.

Discover crime trends and statistics by zip code to enhance neighborhood safety.

The Grapeminds Wine API offers a comprehensive platform for accessing detailed information about wines, including varietals, regions, tasting notes, and ratings. Ideal for wine enthusiasts, retailers, and developers, this API provides endpoints for searching, retrieving wine data, and pairing recommendations, enabling users to enhance their wine-related applications and experiences.

This API provides JSON access to the technology information of a website which includes all technical information as found on detailed lookups and additional metadata where available.

The 3D Bin Packing problem is a classic combinatorial optimization problem that has wide applications in logistics, warehousing, transportation, and many other fields. Its core is to reasonably pack a series of three-dimensional items (boxes) of various sizes into a limited number of three-dimensional containers (boxes, cargo containers, etc.), with the typical goal of minimizing the number of containers used or maximizing the utilization rate of containers while satisfying various constraints.

Validate Brazilian NF-e / NFC-e / CT-e XML against current SEFAZ schemas — get per-element typed errors, not a cryptic rejection code.

Create personalized QR codes for your business with ease.

Widget API to calculate Geo Coordinates, Geo Fences and Sky, Sun, Moon, Eclipse information.

Access detailed San Francisco crime scores by ZIP code with our API. Stay up to date on crime rates and trends in specific areas, supporting smarter, data-driven decisions around safety and security.

Unlock detailed crime data across San Antonio by ZIP code with our powerful API. Stay informed on local crime trends and patterns, empowering smarter, data-driven decisions to enhance safety and support strategic planning.

Retrieve Indian pincode, IFSC bank code, and public holiday data in one API. 19,000+ pincodes, 164,000+ IFSC codes, 49 holidays.

🔥Cheap high-quality translation API to translate in 100+ languages. 🔥 Translator for text and HTML

Detect machine-generated text using statistical heuristics.

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

The Synthetic Data Synthetic Data MockHero API allows developers to generate diverse datasets while preserving privacy and compliance.

Enhance your data generation with MockHero's Schema Aware Data Generation API, ensuring data integrity and relevance.

MockHero’s Mock Data API simplifies creating placeholder data, perfect for testing and development needs.

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

Governed macro-fragility signal API with live RSI, event-family risk snapshots, and a three-paper DOI-stamped research foundation.

Tech Stack Detector API. Detect website technologies from HTML, scripts, meta tags, cookies, and response headers. Send a JSON POST request and receive a structured JSON response. Pricing, quotas, authentication, and subscriptions are handled by Zyla API Hub.

Affordable domain authority scores, backlink profiles, referring domains, and multi-domain comparisons. Powered by Moz, Open PageRank, and Common Crawl without the $1,200/year price tag.

Validate structured data markup on any web page including JSON-LD, Microdata, and RDFa. Detects Schema.org types, checks for errors, and returns detailed validation results.

Run automated WCAG accessibility audits on any web page. Detects violations, warnings, and best practices for ADA and EAA compliance.

Get a comprehensive trust and quality report for any website. Analyzes DNS health, SSL certificates, security headers, content quality, performance indicators, and overall trust score.

Easily explore a vast collection of AI tools for business, design, education, and more with powerful search features.

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.

Verify CT-e XML schema compliance quickly using our CT-e XML Schema Compliance API for hassle-free validations.

Streamline ERP fiscal integration with our ERP Fiscal Integration Validator API, ensuring your documents meet SEFAZ schema requirements.

Check your NF-e XML against current SEFAZ schemas and catch errors before submission.

Catch schema errors in your fiscal documents with our Fiscal Document XML Validator API, ensuring straightforward compliance checks.

Turn web pages into actionable content by extracting text or converting to markdown for easy integration and processing.

The Offender Registry USA API provides accurate and up-to-date information on offenders to promote safety and awareness nationwide.

Retrieve data-driven insights on DA, PA, inbound links, and referring domains for competitive analysis.

Unlock affordable backlink intelligence to boost your SEO strategy effectively with Backlinq API.

Instantly check domain authority to enhance your website's credibility and SEO rankings with Backlinq API.

Quickly check backlink profiles to optimize your site’s SEO health using the user-friendly Backlinq API.

Geolocation IP HUB API aggregates data from around 20 free services and makes decision through voting.

Code Compiler API is a powerful tool for developers that can compile code in over 75 different programming languages.

An API that provides fast and reliable proxies, optimized for scraping, anonymity, and online security

Use the Database Seeding Database Seeding MockHero API to populate your databases with quality test data, streamlining your development workflow.

Submit a URL and instantly learn if it’s indexable by Google, with detailed diagnostics for robots rules, meta tags, redirects, soft-404s, and more.

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.

This API provides access to the latest remote job listings from a diverse range of industries and companies.

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

Instantly validate how any URL will appear when shared on Facebook, LinkedIn, Twitter, and WhatsApp. Returns a full JSON report with platform-specific scores, broken tag detection, image dimension checks, and plain-English fix instructions — all in a single API call.

Brazilian Postal Code API that provides detailed information on addresses, municipalities, and regions, facilitating fast and accurate integrations into systems.