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Mail Check API

Communication & Messaging

Validate email addresses in real time with syntax checks, domain verification, MX records, disposable email detection, role-based email detection, and deliverability scoring.

100% uptime 336ms avg MCP ready

Website SEO Audit API

Tools & Utilities

Audit one public page for static SEO signals, 65+ technology fingerprints, and eight security headers with bounded redirects, response size, and private-network blocking.

Free 7-Day Trial

100% uptime 80ms avg MCP ready

Website Security Certificate Checker API

Security & Cybersecurity

Inspect the security certificate of any host: issuer, subject, validity window, days remaining, expiry flags, alternative names, serial number, fingerprint, negotiated protocol and the full chain. Built for expiry monitoring and renewal alerts.

Free 7-Day Trial

100% uptime 179ms avg MCP ready

Web Content Sanitizer API

Security & Cybersecurity

Clean untrusted web markup in one call: strip scripts, event handlers and dangerous attributes to prevent injection attacks, while keeping safe formatting. Three cleaning profiles plus a custom allowed tag list.

Free 7-Day Trial

100% uptime 139ms avg MCP ready

Redirection API

Tools & Utilities

🔴 Try for FREE! 🔴 ⚡The ultimate URL redirect tracking solution that provides deep insights into redirect chains with a fresh IP address for each request. Perfect for SEO professionals, security researchers, and digital marketers who need reliable redirect analysis at scale.

Free 7-Day Trial

100% uptime 591ms avg MCP ready

URL Health Check API

Tools & Utilities

Monitor and analyze website performance using the URL Health Check API for improved user engagement.

Free 7-Day Trial

100% uptime 335ms avg MCP ready

SSL Check API

Security & Cybersecurity

This API verifies SSL certificates from any website and returns their validity, dates, issuer, protocol, fingerprints, and authorized domains.

Free 7-Day Trial

100% uptime 800ms avg MCP ready

Accessibility Audit API

Legal & Compliance

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

Free 7-Day Trial

100% uptime 192ms avg MCP ready

Link Indexable Analysis API

Data & Analytics

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

Free 7-Day Trial

100% uptime 561ms avg MCP ready

Retrieve Link Index Information API

Data & Analytics

Get comprehensive details quickly with the Retrieve Link Index Information API to optimize link performance.

Free 7-Day Trial

100% uptime 608ms avg MCP ready

Google Indexability Checker API

Search & Discovery

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.

Free 7-Day Trial

100% uptime 1,127ms avg MCP ready

SEO Structure Checker API

Data & Analytics

Access worldwide domain data effortlessly with the SEO Structure Checker API for informed decisions.

Free 7-Day Trial

100% uptime 581ms avg MCP ready

SSL Certificate Check API

Security & Cybersecurity

Ensure secure connections with our SSL Certificate Check API for easy certificate management.

Free 7-Day Trial

100% uptime 505ms avg MCP ready

Website Performance Analyzer API

Data & Analytics

Analyze any web page URL to obtain detailed performance metrics, information about JavaScript execution, data on layout stability, and caching efficiency.

Free 7-Day Trial

100% uptime 18,705ms avg MCP ready

Lite Phishing Checker API

Security & Cybersecurity

The Lite Phishing Checker API is a powerful tool that allows you to check URLs and determine if they are known phishing attempts. With this API, you can easily validate and safeguard against potential phishing threats by quickly identifying suspicious URLs.

Free 7-Day Trial

100% uptime 1,278ms avg MCP ready

Link Index Data API

Data & Analytics

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

Free 7-Day Trial

100% uptime 743ms avg MCP ready

Link Index Analyzer API

Data & Analytics

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

Free 7-Day Trial

100% uptime 1,717ms avg MCP ready

Instant Email Validator API

Communication & Messaging

Get real-time results with our Instant Email Validator API, ensuring reliable communication every time.

Free 7-Day Trial

100% uptime 841ms avg MCP ready

Link Indexable Analyze API

Data & Analytics

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

Free 7-Day Trial