{"uid":"cap_qJBQjM4YXOQV-YM9iHw_6","slug":"hacker-news-engagement-sentiment-lookup-aa69363e","name":"Hacker News Engagement & Sentiment Lookup","description":"Hacker News engagement / dev-sentiment for a project or topic: story count, total & average points and comments, and the top stories (title/url/points/comments/date). From the keyless HN Algolia search API.","url":"https://api.agentstools.dev/dev/hn?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["query"],"properties":{"days":{"type":"integer","maximum":3650,"minimum":1,"description":"Look-back window in days (default 365)"},"query":{"type":"string","description":"Free-text search query (project/topic name)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":{"p10Cents":"0.3000","medianCents":"0.3000","p90Cents":"0.3000","minCents":"0.3000","maxCents":"0.3000","p95Cents":"0.3000","sampleCount":1,"varies":false,"failureChargeRate":1},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_g0TYVlLVyS8WC87-lIQns","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns HN engagement metrics (story count, total/avg points and comments) and top stories for a given search query and optional time window, powered by the HN Algolia search API.","exampleAgentPrompt":"How much traction does 'htmx' have on Hacker News over the past 180 days — story count, average points, and the top posts?","exampleUseCases":null,"resultDescription":"Returns an aggregated summary including total story count, total and average points, total and average comments, and a ranked list of top HN stories (each with title, URL, points, comment count, and publication date) matching the query within the specified time window.","failureModes":["Empty results if the query matches no HN stories in the time window","HN Algolia API upstream timeout or rate limit causing a 5xx response","Invalid or missing 'query' parameter causing a 400/422 validation error","Extremely broad queries may return aggregates with low signal value","'days' value out of range (must be 1–3650) causing validation failure"],"whenToPreferThis":"Use this endpoint when you need quantified Hacker News engagement data (story counts, points, comments) and a curated list of top stories for a project or technology — especially for developer sentiment research, competitive analysis, or validating community interest. Prefer this over generic web search when you specifically want HN community metrics aggregated and ready to use, without needing to call the Algolia API directly or parse raw results yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T12:44:13.035Z","isFirstParty":false,"canonicalSlug":"hacker-news-engagement-sentiment-lookup-aa69363e"}