{"uid":"cap_d6xW1IPqvL-sV-54t0_oM","slug":"blockrun-ai-c6bb7422","name":"BlockRun.AI Find Similar Pages","description":"Find pages semantically similar to a given URL.","url":"https://blockrun.ai/api/v1/exa/find-similar","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","description":"Reference URL — pages similar to this will be returned."},"numResults":{"type":"number","description":"Number of results to return (default 10, max 100)."}}},"responseSchema":null,"example":{"request":{"url":"https://example.com/article-about-artificial-intelligence","numResults":10},"response":{"results":[{"id":"https://examplearticles.info/content_writing/article_examples","url":"https://examplearticles.info/content_writing/article_examples","score":0.8773586750030518,"title":"Article examples","author":null},{"id":"https://www.articlewebdirectory.com/label/artificial-intelligence","url":"https://www.articlewebdirectory.com/label/artificial-intelligence","score":0.8709452748298645,"title":"Artificial Intelligence -","author":"by"},{"id":"https://www.example3.com/domain/articlemisc.com","url":"https://www.example3.com/domain/articlemisc.com","score":0.8689068555831909,"title":"articlemisc.com | Cuan Gampang Bonus Deposit 100% -","author":null},{"id":"https://everythingarticles.com/articles/category/ai/","url":"https://everythingarticles.com/articles/category/ai/","score":0.8671719431877136,"title":"AI – Everything Articles","author":null},{"id":"http://www.article-article.com/","url":"http://www.article-article.com/","score":0.8630191087722778,"title":"article-article.com","author":null},{"id":"https://articleai.info/","url":"https://articleai.info/","score":0.8625504970550537,"title":"articleai.info - articleai Resources and Information.","author":null},{"id":"https://startuparticle.com/tag/artificial-intelligence/","url":"https://startuparticle.com/tag/artificial-intelligence/","score":0.8620844483375549,"title":"Artificial Intelligence Archives - Start Up Article","author":"SA Team"},{"id":"https://www.earticlesource.com/examplearticle/","url":"https://www.earticlesource.com/examplearticle/","score":0.8616280555725098,"title":"EXAMPLEARTICLE","author":"Brandon","publishedDate":"2025-02-10T00:00:00.000Z"},{"id":"https://articlenews365.com/sample-page/","url":"https://articlenews365.com/sample-page/","score":0.8596310615539551,"title":"Sample Page – Article","author":null},{"id":"http://subdomain.exampledomain.com/some-article","url":"http://subdomain.exampledomain.com/some-article","score":0.8582648634910583,"title":"Some article","author":null}],"requestId":"5668e6dc946eb7e9f4ef2c6d9156cbe3","searchTime":1874.5624069999903,"costDollars":{"total":0.007,"search":{"neural":0.007}}}},"exampleRequest":{"url":"https://example.com/article-about-artificial-intelligence","numResults":10},"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.011","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.011","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__MWy9rRpLkx6Nse_-MB6T","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.011","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a list of web pages that are semantically similar to a given reference URL, using Exa's similarity search.","exampleAgentPrompt":"Find me 15 web pages that are semantically similar to https://vitalik.eth.limo/general/2024/01/01/end.html — I want to discover related content on that topic.","exampleUseCases":null,"resultDescription":"A list of web pages semantically similar to the input URL, including page titles, URLs, and relevance metadata, up to the requested number of results (default 10, max 100).","failureModes":["Invalid or unreachable URL returns an error or empty results","numResults exceeding 100 may be rejected or capped","URL pointing to paywalled or non-indexed content may yield poor similarity matches","Payment failure via x402 protocol returns 402 status","Malformed request body returns 400 validation error"],"whenToPreferThis":"Use this endpoint when you need to discover web pages topically or semantically related to a known URL — ideal for content research, competitive analysis, finding related articles, or building recommendation feeds. Prefer this over a keyword search when you have a reference page and want conceptually similar content rather than keyword matches.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:43:12.060Z","isFirstParty":false}