{"uid":"cap_SaBLysl-8ryvhjGM4knYj","slug":"x402-site-audit-api-b1b0aa8b","name":"x402 Site Audit API","description":"Pay-per-call API for AI agents with no signup or API key. Email validation, SPF/DMARC audits, DNS lookup, site contacts, URL to Markdown, IBAN and Swedish personnummer/orgnr validation. From $0.001 in USDC on Base via x402.","url":"https://agentkit-x402.zenith-ops.workers.dev/v1/site-audit?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"Page URL to audit."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"h1":["Example Domain"],"url":"https://example.com/","lang":"en","https":true,"links":{"external":1,"internal":0,"nofollow":0},"score":94,"title":"Example Domain","images":{"total":0,"missing_alt":0},"issues":[{"code":"missing_meta_description","message":"No meta description.","severity":"warning"}],"status":200,"h1_count":1,"h2_count":0,"hreflang":[],"viewport":"width=device-width, initial-scale=1","canonical":null,"final_url":"https://example.com/","indexable":true,"microdata":false,"open_graph":{},"word_count":28,"robots_meta":null,"technologies":[],"title_length":14,"twitter_card":{},"json_ld_types":[],"noindex_source":null,"redirect_chain":[],"meta_description":null,"security_headers":{"referrer_policy":null,"x_frame_options":null,"permissions_policy":false,"x_content_type_options":null,"content_security_policy":false,"strict_transport_security":null,"cross_origin_opener_policy":null},"canonical_is_self":null,"meta_description_length":0}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AXjt3JdDhrZ_ARymaxKVz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Audits a webpage URL for SEO, security headers, metadata, indexability, and technical site health metrics","exampleAgentPrompt":"Can you do a full SEO and security audit of https://mystore.com/landing-page — I want to know the score, any missing meta tags, whether it's indexable, and what security headers are missing?","exampleUseCases":[{"title":"Pre-launch landing page SEO check","prompt":"Before we go live, audit https://acme.com/new-product for SEO issues — tell me the score, whether the title and meta description are set, if the page is indexable, and flag any missing alt text on images."},{"title":"Competitor technical SEO analysis","prompt":"Run a site audit on https://competitor.com/pricing so I can see their SEO score, heading structure, open graph tags, canonical URL, and what security headers they have in place."},{"title":"Security header compliance review","prompt":"Check https://app.mycompany.com/login for security header issues — specifically tell me if it has HSTS, Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options set correctly."}],"resultDescription":"Returns a JSON object with SEO score (0-100), page title and length, meta description, H1/H2 headings and counts, canonical URL, final URL after redirects, redirect chain, HTTPS status, indexability flag, noindex source, robots meta, viewport, hreflang tags, open graph tags, Twitter card data, JSON-LD types, microdata flag, word count, link counts (internal/external/nofollow), image counts and missing alt text, detected technologies, security headers (CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, COOP), and a list of issues with severity levels.","failureModes":["URL is unreachable or returns non-200 status — returns actual HTTP status in response with partial data","Invalid or malformed URL — likely returns error or empty result","Page behind authentication — only publicly accessible content is audited","Timeout on slow pages — may return incomplete data","JavaScript-rendered content may not be fully captured by the crawler"],"whenToPreferThis":"Choose this endpoint when you need a fast, no-signup, pay-per-call SEO and security audit of a specific URL without subscribing to a full SEO platform. Ideal for AI agents that need programmatic access to page metadata, security headers, indexability, and structured data on-demand. Best for single-page spot checks rather than full-site crawls. The x402 micropayment model ($0.02 USDC per call) makes it cost-effective for low-volume or ad-hoc audits.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T07:18:31.043Z","isFirstParty":false,"canonicalSlug":"x402-site-audit-api-b1b0aa8b"}