{"uid":"cap_SKhoQsqb0ZpbXabscKIJJ","slug":"pennyregwatch-robots-txt-permission-checker-c6fb73dd","name":"PennyRegWatch Robots.txt Permission Checker","description":"Decide whether a specific crawler may fetch an exact public URL under robots.txt rules. Returns ALLOW/DENY, the winning rule, crawl-delay, sitemap URLs, and live provenance. Use before an AI agent or crawler fetches a page.","url":"https://pennyregwatch.com/v1/robots","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":["target"],"properties":{"target":{"type":"string","description":"Exact public page URL or hostname to test"},"user_agent":{"type":"string","default":"*","description":"Crawler product token, e.g. GPTBot, ClaudeBot, Googlebot"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_f3br76BTTLlZyBzZE0Z0g","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a specific crawler is allowed or denied to fetch a given URL under the site's robots.txt rules, returning the ALLOW/DENY decision, the winning rule, crawl-delay, sitemap URLs, and live provenance.","exampleAgentPrompt":"Before fetching https://example.com/blog/article-42, check whether GPTBot is allowed to crawl that exact URL according to the site's robots.txt rules.","exampleUseCases":[{"title":"Pre-fetch compliance check for AI crawler","prompt":"Before my agent fetches https://techcrunch.com/2024/01/10/ai-news/, check whether ClaudeBot is permitted to crawl that URL under their robots.txt — I need the ALLOW or DENY decision and the specific rule that applies."},{"title":"Sitemap discovery via robots.txt","prompt":"Can you look up the robots.txt for https://shopify.com and tell me all the sitemap URLs listed there, along with any crawl-delay that applies to Googlebot?"},{"title":"Block detection for custom crawler","prompt":"I'm building a crawler using the product token 'MyBot' — can you check whether https://nytimes.com/politics/ is allowed or denied for MyBot according to their robots.txt rules?"}],"resultDescription":"Returns an ALLOW or DENY verdict for the specified crawler and URL, the exact robots.txt rule that produced the decision, any crawl-delay directive, a list of sitemap URLs declared in robots.txt, and live provenance metadata about where and when the robots.txt was fetched.","failureModes":["Target URL is malformed or unreachable — returns error","robots.txt file not found at target host (404) — may return default ALLOW or error","robots.txt fetch times out — may return error or cached result","User-agent token not recognized — falls back to wildcard '*' rules","robots.txt is extremely large or malformed — parsing may be incomplete"],"whenToPreferThis":"Use this endpoint when an AI agent or automated crawler needs to verify robots.txt compliance before fetching a page, especially in agentic pipelines where legal and ethical crawl permissions must be confirmed programmatically. Prefer this over manually parsing robots.txt when you need a structured, authoritative ALLOW/DENY decision with the winning rule surfaced — particularly useful for any agent that respects crawler directives or needs sitemap discovery as a side effect.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:48:11.694Z","isFirstParty":false}