The Text Readability Metrics API calculates readability metrics for text. Supported metrics include the Automated Readability Index, Coleman-Liau Index, Flesch–Kincaid Grade Level, Flesch Reading Ease, Gunning-Fog Index, SMOG score, and SMOG Index. This API can be used to evaluate the readability of written content, making it easier to target specific audiences and improve overall readability.

Enhance the contrast of overly dark or bright images, making them more vivid and visually appealing with the Image Contrast Enhancement API.

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.

Gain real-time insights into website navigation and performance with our Web Navigator Status Insight API.

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

Analyze deep links by tracking redirects, HTTP codes, meta robots policies, robots.txt, detect soft 404s, and report comprehensively on SEO status.

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.

Advanced multimodal AI API that analyzes images, audio, and video — extracting text, scene descriptions, and visual/audio context in one unified request.

Monitor complete links, discover internal redirects, status codes, meta robots restrictions, robots.txt, identify soft errors, and offer comprehensive SEO insight.

Analyzes URLs, detects redirects, status codes, indexability, meta robots, robots.txt, and soft 404s, providing comprehensive information on status and SEO.

The Video Narration API provides YouTube video transcripts in several languages, structured in JSON for smooth integration and improved accessibility.

Checks multiple URLs and returns accessibility, redirects, SSL status, content type, response times, and errors if any.

Listen for HTTP signals by examining URLs, reveal redirects, codes, indexing status, meta robots, robots.txt, detect soft 404s, and generate detailed SEO reports.

Audit web pages or whole websites for WCAG 2.2, EN 301 549 (European Accessibility Act) and Section 508 in a real browser. JSON, CSV or HTML report.

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.

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

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

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

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.

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

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

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

The Video Dialogue API provides transcripts of YouTube videos in multiple languages, improving accessibility with structured JSON responses and easy integration for users.

GPU-accelerated image and video generation on NVIDIA RTX 5090 and 5080. Text-to-image with Flux.1-Schnell and SDXL-Turbo, plus fast text-to-video with LTX-Video.