{"api":"indexability","status":"healthy","docs":"GET /check?url={url}","preview":"GET /preview?url={url} (free, limited checks)","pricing":"$0.001 per call via x402","checks":["robots.txt — allowed/blocked for Googlebot","HTTP status — 2xx/3xx/4xx/5xx classification","Meta robots — noindex/nofollow directives","X-Robots-Tag — HTTP header directives","Canonical — self-referencing or pointing elsewhere"]}