{"service":"Landfall","provider":{"name":"Landfall","url":"https://landfall-production-74ad.up.railway.app"},"description":"Audit a landing page before sending paid ad traffic to it. Returns a 0-100 readiness score, a ready / fix_first / not_ready verdict, the Meta, Google and TikTok tags detected (with IDs), the conversion paths on the page (forms, click-to-call, WhatsApp, booking), trust and speed facts, and the top 5 fixes in priority order. Deterministic static-HTML analysis with evidence for every finding; typical response 1-3 seconds. You are charged only if the audit completes.","schema_version":"1.0","pricing":{"price_usd":0.05,"currency":"USDC","network":"eip155:8453","network_name":"Base mainnet","pay_to":"0xccff8b62b1738d65052d0780ed4665fb48d18cd0","protocol":"x402","x402_version":2,"scheme":"exact","charged_only_on_success":true},"endpoints":{"audit":{"method":"GET","url":"https://landfall-production-74ad.up.railway.app/v1/audit?url={page_url}&keyword={optional}","paid":true,"returns":"Full audit"},"preview":{"method":"GET","url":"https://landfall-production-74ad.up.railway.app/v1/preview?url={page_url}","paid":false,"returns":"Verdict, overall score and issue counts","limit":"10 per hour per caller"},"sample":{"method":"GET","url":"https://landfall-production-74ad.up.railway.app/v1/sample","paid":false,"returns":"A complete example audit"},"mcp":{"method":"POST","url":"https://landfall-production-74ad.up.railway.app/mcp","transport":"MCP streamable HTTP","tools":["audit_landing_page (paid, x402)","preview_landing_page (free)","sample_audit (free)"]}},"how_to_pay":["GET https://landfall-production-74ad.up.railway.app/v1/audit?url=... with no payment returns HTTP 402 and a PAYMENT-REQUIRED header (base64 JSON).","Sign the payment it describes and repeat the request with a PAYMENT-SIGNATURE header.","A 200 response carries the audit and a PAYMENT-RESPONSE receipt header. Any x402 v2 client library does this automatically."],"docs":{"openapi":"https://landfall-production-74ad.up.railway.app/openapi.json","llms_txt":"https://landfall-production-74ad.up.railway.app/llms.txt","mcp_server_card":"https://landfall-production-74ad.up.railway.app/.well-known/mcp/server-card.json","study":"https://landfall-production-74ad.up.railway.app/study"},"limits":{"max_html_bytes":1500000,"fetch_timeout_seconds":12,"rendering":"static_html (JavaScript is not executed)"}}