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Best same-site crawl APIs

SEO Crawlability Audit API

Search & Discovery

Checks a public homepage’s SEO crawlability, indexability, robots.txt, sitemap, canonical, title, meta description, and H1 signals.

Free 7-Day Trial

100% uptime 5,256ms avg MCP ready

Robots and Sitemap Checker API

Tools & Utilities

Given a single domain, checks that site's robots.txt (crawl allow/disallow rules per user-agent, crawl-delay, declared sitemap URLs) and sitemap.xml (existence, URL count, and child-sitemap count if

Free 7-Day Trial

100% uptime 565ms avg MCP ready

Website Accessibility Audit API

Legal & Compliance

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.

Free 7-Day Trial

100% uptime 2,074ms avg MCP ready

SEOScore API

Data & Analytics

SEO audit API with a deterministic 0-100 score, per-check evidence, a ready fix list, and a GEO score for AI-search visibility.

100% uptime 288ms avg MCP ready

SiteSpy API

Tools & Utilities

Crawl any website sitemap and get a complete list of URLs with page count. Discovers sitemap.xml, parses all entries, and returns structured URL data for SEO audits and site analysis.

Free 7-Day Trial

100% uptime 8,698ms avg MCP ready

Site Match API

Search & Discovery

Site Match API assists users in identifying websites related to a specific URL, improving web exploration and simplifying competitor research.

Free 7-Day Trial

100% uptime 423ms avg MCP ready

Indexability Checker API

Tools & Utilities

Check whether a URL can be indexed by Google: meta robots, X-Robots-Tag, canonical and robots.txt signals in one call, returned as a graded JSON report.

Free 7-Day Trial

100% uptime 303ms avg MCP ready

Customizable Website Traffic SEO Rank AI Analytics API

Data & Analytics

Fetch a website's title, meta description, category, favicon, and live screenshots for any domain in one call.

Free 7-Day Trial

100% uptime MCP ready

SEO Score API

Data & Analytics

SEO audit API. Send a URL, get a 0 to 100 score, a grade, category scores, AI readability scores and a prioritized fix list as JSON.

Free 7-Day Trial

100% uptime 4,742ms avg MCP ready

Website Broken Link Checker API

Tools & Utilities

Find broken links and redirect chains on any website. Crawls up to 10 pages per call and returns each link with status code, redirect hops and the page it was found on.

100% uptime 24,262ms avg MCP ready

Competitor Website Analysis API

Company Data

Identify similar and competing websites in the same category, ranked by traffic and audience overlap.

Free 7-Day Trial

100% uptime MCP ready

Similar Web Capture API

Data & Analytics

Identify similar pages, monthly traffic, main country, and description, optimizing SEO strategies and business benchmarking.

Free 7-Day Trial

100% uptime 2,396ms avg MCP ready

Website Sitemap and URL Discovery API

Tools & Utilities

Discover every public URL of a website from robots.txt, XML sitemaps, sitemap indexes, RSS feeds and llms.txt in one request.

Free 7-Day Trial

100% uptime 2,782ms avg MCP ready

Similarity Site Detector API

Search & Discovery

The Similarity Site Detector API helps users find websites connected to a given URL, enhancing web discovery and streamlining competitor analysis.

Free 7-Day Trial

100% uptime 1,621ms avg MCP ready

Fetch Similar Web Data API

Data & Analytics

Discover related websites effortlessly with our Fetch Similar Web Data API for enhanced competitive analysis.

Free 7-Day Trial

100% uptime 5,521ms avg MCP ready

Dynamic Website Traffic SEO Rank API

Data & Analytics

See where a website's visitors come from with a country-by-country breakdown of audience share.

Free 7-Day Trial

100% uptime 234ms avg MCP ready

Web Intelligence API

Tools & Utilities

Web Intelligence API audits websites, detects their tech stack, converts pages to Markdown, finds broken links and extracts text from PDFs with OCR, all with one key.

Free 7-Day Trial

100% uptime 17,866ms avg MCP ready

Website Traffic - SEO - Rank - AI Analytics - API

Data & Analytics

Instant website traffic, SEO, rank & keyword data. Domain authority, engagement metrics & competitive intelligence for marketers & SEO pros.

Free 7-Day Trial

100% uptime 720ms avg MCP ready

Website Contacts Extractor API

Tools & Utilities

Pull publicly listed business reach-out fields from a site URL. Follows contact, about, and team links. Static HTML only; respects robots.txt. Honest User-Agent string.

100% uptime 1,057ms avg MCP ready

Related Sites API

Search & Discovery

The Related Sites API assists users in discovering websites related to any given URL, making web exploration and competitor analysis straightforward and efficient.

Free 7-Day Trial

100% uptime 383ms avg MCP ready

Similar Web Tracker API

Data & Analytics

Discover websites similar to any domain with visitor data, category, and global ranking. Ideal for competitor analysis and digital marketing.

Free 7-Day Trial

100% uptime 884ms avg MCP ready

Similar Web Fetcher API

Data & Analytics

Analyzes a domain and returns detailed metrics on authority, external links, spam score, and key SEO factors to evaluate its performance.

Free 7-Day Trial

100% uptime 1,907ms avg MCP ready

Traffic Source Breakdown API

Data & Analytics

See how a website's traffic splits across direct, search, social, referral, and paid channels.

Free 7-Day Trial

100% uptime MCP ready

Capture Links from Websites API

Finance & Payments

Simplify content curation by capturing links from any website using our advanced Capture Links from Websites API.

Free 7-Day Trial

100% uptime 349ms avg MCP ready

OCR Domain Analysis Web Sitemap Validation Contact Information Extraction Spam Score Competitor Analysis Sitemap Structure Analysis Website Traffic SEO Analysis Robots.txt Checker Redirect Chain Analysis SEO Metrics URL Count Checker Accessibility Reporting Real Browser Testing Keyword Analysis Authority Metrics Crawl Rules Analysis External Links More...

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Categories

Tags

Best same-site crawl APIs

SEO Crawlability Audit API

Robots and Sitemap Checker API

Website Accessibility Audit API

SEOScore API

SiteSpy API

Site Match API

Indexability Checker API

Customizable Website Traffic SEO Rank AI Analytics API

SEO Score API

Website Broken Link Checker API

Competitor Website Analysis API

Similar Web Capture API

Website Sitemap and URL Discovery API

Similarity Site Detector API

Fetch Similar Web Data API

Dynamic Website Traffic SEO Rank API

Web Intelligence API

Website Traffic - SEO - Rank - AI Analytics - API

Website Contacts Extractor API

Similar Web Content Retriever API

Related Sites API

Similar Web Tracker API

Similar Web Fetcher API

Traffic Source Breakdown API

Capture Links from Websites API

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