Domain Authority Checker API
Look up authority-style metrics for a domain and get score fields plus source data. Useful for SEO analysis, outreach prioritisation, and competitor research.
Look up authority-style metrics for a domain and get score fields plus source data. Useful for SEO analysis, outreach prioritisation, and competitor research.
Every API here is available over the APIs.io API and to AI agents over MCP.
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.curl "https://apis.io/api/v1/apis/dosvak-lookup-domain-authority-metrics"
curl "https://apis.io/api/v1/apis?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.