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,

Fast and Simple searches for jobs posted on LinkedIn, Indeed, Glassdoor, ZipRecruiter, Dice and many others, all in a single API.

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.

Springbolt X: find the exact people who searched your keywords in the last 8 days, then target them across ads, email, and calls. Full identity suite: keyword-to-lead, IP-to-person, IP-to-company, LinkedIn-to-phone, LinkedIn-to-HEM, email-to-HEM, HEM-to-email, contact enrichment, and async batch callbacks.

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 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.

Real-time threat intelligence for file hashes, IPv4 addresses, domains and URLs, — 70+ vendor verdicts in a single call.

Create high-quality, customizable QR codes with logos, colors, and custom styles. Perfect for marketing, branding, and dynamic links.

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

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.

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

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

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.

PresentID QR-Code & Barcode scanner API can scan both QR code and barcode.

Validate Brazilian NF-e XML files effortlessly, ensuring compliance and accuracy for smooth business operations.

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

Ensure your NF-e XML files are error-free and compliant with the Comprehensive Comprehensive NF-e XML Validator API for seamless integration.

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.

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.

Capture and retrieve essential geocode data efficiently with the Geocode Fetcher API for your projects.

Get precise geocode information effortlessly with the Fetch Geocode Information API for your location-based needs.

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.

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.

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

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.

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

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

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

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.

Queue-less Screenshot API with Smart Caching, Auto-removes ads, Full JS hydration, CSS element selector and many more for perfect, instant renders.

Checks translated JSON, localization strings, placeholders, ICU messages, missing keys, extra keys, empty values, untranslated values, and multi-locale consistency.

Extracts and validates JSON-LD, Microdata, RDFa, and structured markup from webpages or raw HTML for SEO and technical validation.

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.