{"service":"webcap","description":"Pay-per-call web capture on Base mainnet: one-time screenshots (PNG/JPEG/PDF + free Open Graph metadata), structured content extraction, and scheduled monitoring with change-detection webhooks. All paid routes settle gasless USDC via x402 (HTTP 402).","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xB25572D7317eb98EBb39c45Da40eAAEA2A56c25e","facilitator":"https://api.cdp.coinbase.com/platform/v2/x402","endpoints":[{"path":"POST /v1/x402/capture","usdc":0.001,"description":"Screenshot any URL (PNG/JPEG/PDF) + free Open Graph metadata"},{"path":"POST /v1/x402/extract","usdc":0.01,"description":"Structured extraction of the main content (title, headings, paragraphs, links, images, document-order markdown; nav/cookie/sidebar/footer excluded; optional maxContentWords budget); batch up to 50 URLs per payment"},{"path":"POST /v1/x402/audit","usdc":0.002,"description":"SEO basics + link/OG health in one call (title, description, OG tags, link health)"},{"path":"POST /v1/x402/map-lite","usdc":0.002,"description":"Map a site to its URL list via sitemap/robots plus a 1-hop same-host crawl in one call"},{"path":"POST /v1/x402/video","usdc":0.005,"description":"Scroll-capture a URL as an MP4/WebM video in one call"},{"path":"POST /v1/x402/analyze","usdc":0.01,"description":"AI-powered visual analysis: classification, accessibility, layout, entities, sentiment"},{"path":"POST /v1/x402/analyze/batch","usdc":0.01,"description":"Batch AI analysis of up to 10 URLs under one payment"},{"path":"POST /v1/x402/watches/topup","usdc":0.1,"usdcMax":1,"description":"Pre-pay 100 scheduled monitor runs (capture-pack price shown; extract-pack is usdcMax; exact price quoted per watch via ?watchId=)"}],"free":[{"path":"GET /v1/extract/preview?url=...","note":"bounded structured preview (rate-limited)"},{"path":"GET /v1/og?url=...","note":"Open Graph metadata"},{"path":"GET /v1/health","note":"liveness + chain"},{"path":"GET /v1/x402/trial/status?payer=...","note":"trial menu per wallet (claimed/available + claim recipe + the priced paid catalog and howToPay)"},{"path":"GET /v1/x402/trial/quick?url=...","note":"no-wallet JPEG thumbnail, 3/day per IP"},{"path":"POST /v1/x402/trial","note":"free full PNG capture trial, one per wallet (EIP-191 proof)"},{"path":"POST /v1/x402/trial/extract","note":"free single-URL extraction trial, one per wallet"},{"path":"POST /v1/x402/trial/audit","note":"free SEO + link/OG audit trial, one per wallet"},{"path":"POST /v1/x402/trial/map-lite","note":"free site-map trial capped at 10 URLs, one per wallet"},{"path":"POST /v1/x402/trial/analyze","note":"free deterministic analysis trial, one per wallet"}],"openapi":"https://webcap.shoutsid.fyi/openapi.json","sitemap":"https://webcap.shoutsid.fyi/sitemap.xml","ownershipProofs":["0xb6e82894c733f729cc45b68f9c62f06daeac48f4ce6b2211916ed0b275d5e8a155a65f98bf0d937be1fe8e88b7d27e34a1ca14101cb1976f916eb92046a26c951c"]}