SEO & Backlinks
Every listing carries the same fields in the same order. Counts beside each filter update as you narrow.
| API | Pricing | Auth | Format | Free tier | Status |
|---|---|---|---|---|---|
ASORadarApp Store and Google Play reviews, sentiment, rankings, keyword tracking, and app metadata. Developer Tools › SEO & Backlinks | Freemium | API key | JSON | — | Live |
Crawl ReadinessChecks if AI crawlers (GPTBot, ClaudeBot, PerplexityBot, etc.) can read a site; scores 0-100 with fixes. Developer Tools › SEO & Backlinks | Freemium | API key | JSON | <100/day | Live |
CrawlGraphLooks up which domains link to a given site, with authority scores, from Common Crawl snapshots. Developer Tools › SEO & Backlinks | Freemium | API key | JSON | <100/day | Live |
Open Page RankDomain authority scores (0-10) with monthly history, derived from Common Crawl's web graph. Developer Tools › SEO & Backlinks | Freemium | API key | JSON | 1k–10k/day | Untested |
SEO Score APIScores a URL's SEO, performance, accessibility, and AI-search readability across dozens of checks. Developer Tools › SEO & Backlinks | Freemium | API key | JSON | <100/day | Live |
ASORadarFreemiumLive
App Store and Google Play reviews, sentiment, rankings, keyword tracking, and app metadata.
API key · JSON
—
OpenAPI spec · llms.txt
Crawl ReadinessFreemiumLive
Checks if AI crawlers (GPTBot, ClaudeBot, PerplexityBot, etc.) can read a site; scores 0-100 with fixes.
API key · JSON
<100/day
llms.txt
CrawlGraphFreemiumLive
Looks up which domains link to a given site, with authority scores, from Common Crawl snapshots.
API key · JSON
<100/day
llms.txt
Open Page RankFreemiumUntested
Domain authority scores (0-10) with monthly history, derived from Common Crawl's web graph.
API key · JSON
1k–10k/day
no machine-readable spec
SEO Score APIFreemiumLive
Scores a URL's SEO, performance, accessibility, and AI-search readability across dozens of checks.
API key · JSON
<100/day
OpenAPI spec · llms.txt
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