{"uid":"cap_f3-rOdnZwVF1NeXS6x9ZO","slug":"seo-audit-api-cbc964d9","name":"SEO Audit API","description":"Deterministic on-page technical-SEO audit of a single web page. Fetches the page (redirects + response headers) and runs 24 mechanical rules across six categories (indexability, title/meta, headings, structured data, images, i18n/mobile). Returns a 0-100 score, letter grade, per-rule pass/warn/fail checklist with fixes, and an indexability-critical flag. No LLM, no keys.","url":"https://api.agentstools.dev/seo/audit","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"url":{"type":"string","description":"Target page URL to audit, path preserved (e.g. https://example.com/pricing)"},"host":{"type":"string","description":"Alternative input: a hostname"},"domain":{"type":"string","description":"Alternative input: a bare domain, audits its homepage (e.g. example.com)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_89KhbcGzaL6RAEnx5aNaF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs a deterministic 24-rule on-page technical SEO audit of a single web page, returning a 0–100 score, letter grade, per-rule pass/warn/fail checklist with fixes, and an indexability-critical flag.","exampleAgentPrompt":"Can you run a full technical SEO audit on https://example.com/pricing and tell me the score, grade, and what's failing so I know what to fix?","exampleUseCases":[{"title":"Pre-launch landing page SEO check","prompt":"Before we go live, audit https://mystore.com/new-collection for technical SEO issues — I need the score, grade, and a list of anything that would hurt indexability."},{"title":"Diagnosing a page missing from Google","prompt":"My blog post at https://myblog.com/ultimate-guide isn't showing up in Google — can you audit it for indexability problems and tell me exactly what's blocking it?"},{"title":"Client website SEO health report","prompt":"I need a technical SEO audit of example-client.com — run it against their homepage and give me the score, letter grade, and the full checklist of passes, warnings, and failures with suggested fixes."}],"resultDescription":"Returns a 0–100 numeric SEO score, a letter grade (e.g. A, B, C), and a per-rule checklist covering 24 mechanical rules across six categories: indexability, title/meta, headings, structured data, images, and i18n/mobile. Each rule shows pass/warn/fail status with specific fix recommendations, plus an indexability-critical flag indicating whether any critical issue prevents the page from being indexed.","failureModes":["Target URL is unreachable or returns a non-2xx status — audit cannot be completed","URL parameter missing — returns 400 bad request","Redirect loops or too many redirects cause a fetch failure","Robots.txt or noindex headers block the fetcher from accessing the page","Malformed URL input causes parsing error"],"whenToPreferThis":"Choose this endpoint when you need a fast, deterministic, rule-based technical SEO evaluation of a specific web page without requiring API keys or LLM inference. It is ideal for pre-launch checks, diagnosing indexability issues, or generating structured SEO reports for clients. Prefer it over general-purpose crawlers or LLM-based SEO tools when you need consistent, reproducible scores and a structured checklist of mechanical fixes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:00:07.450Z","isFirstParty":false}