One of the most popular games in the world can be played or developed using this API.

Automatically detects toxicity in text, classifying levels such as insults, threats, or hate speech with high accuracy and confidence in real time.

Score the readability of any English text. Returns Flesch-Kincaid, Gunning Fog, SMOG, ARI scores, sentence-level breakdown, improvement suggestions, and target grade pass/fail in one call.

A globally usable mortgage and loan calculator supporting multiple currencies. Covers monthly repayments, full amortisation schedules, affordability reverse-calculation, early repayment savings, side-by-side comparison, total cost of ownership, APR, debt-to-income ratio, stamp duty estimates, refinance break-even, balloon payments, interest-only periods, loan consolidation, and biweekly payment options. Pure maths — no external data sources. Pass any currency code (USD, GBP, EUR, ZAR, AUD, etc.) for localised display.

The Futoshiki generator API is that allows users to programmatically generate Futoshiki puzzles.

The Clever Riddles API delivers a diverse collection of thought-provoking and entertaining riddles. Perfect for enhancing entertainment apps, it provides high-quality riddles designed to engage users with humor, mystery, and mental challenges. Spark curiosity and elevate user experience with a steady stream of clever enigmas.

This API will automatically provide you with a Sudoku.

Capture detailed toxicity detection data instantly, enhancing safety and compliance for your applications.

Effortlessly access and retrieve toxicity content with our streamlined API, designed for accurate insights.

The Keyword Evaluator API assesses keyword competitiveness, aiding SEO strategies by providing real-time insights for informed decision-making.

Analyze keyword competitiveness with the SEO Difficulty Rating API to optimize content and improve search engine rankings and visibility.

Streamline complex information using the Technical Writing Technical Writing Readability API for clear communication.

Boost student understanding with the EdTech Readability Improvement API designed for educational content.

Optimize your SEO strategy by improving readability with the SEO Optimization SEO Optimization Readability API.

Increase user engagement by enhancing readability with the User Engagement User Engagement Readability API.

Enhance your content's clarity with the Content Marketing Content Marketing Readability API for better engagement.

Analyze and improve academic texts with the Academic Readability Analysis API for robust insights.

Make your content accessible to all users with the Accessibility Compliance Accessibility Compliance Readability API.

Ensure your legal documents are crystal clear with the Legal Compliance Legal Compliance Readability API.

Assess the competitiveness of keywords using the SEO Competition Rating API to enhance content optimization and elevate search engine rankings and visibility.

The Heroes of Dota2 API is a powerful tool that allows developers to access a wide range of data on the heroes in the popular multiplayer online battle arena (MOBA) game, Dota2.

Evaluate the competitive landscape of keywords leveraging the Keyword Competition API to optimize content effectively, thereby boosting search engine rankings and enhancing visibility.

AI-powered Christian content moderation API. Analyzes text across 7 theological compliance categories with Biblical verses and Creed references. Returns compliance score, severity level, and theological recommendations.

AI-powered content moderation API that detects toxic, offensive, hateful, and inappropriate text. Returns safety scores and category classifications for user-generated content filtering.

Rocket League Tracker API - Get real-time Player Stats, MMR, Ranks & Leaderboards for Epic Games, Steam, Xbox, PSN & Switch. Perfect for Discord Bots & Esports sites.