{"uid":"cap_Z70OkSfKpIGKJfEbOBaOi","slug":"hacker-news-user-profile-lookup-4f239b02","name":"Hacker News User Profile Lookup","description":"309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.","url":"https://x402-toolbox.shablony-pro.workers.dev/data/hackernews-user-profile?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"schema":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_E1nVX4L0HApc4DnZP0Tgs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches the public profile data for a given Hacker News user by username","exampleAgentPrompt":"Can you pull up the Hacker News profile for the user 'pg' and tell me their karma, when they joined, and what their bio says?","exampleUseCases":[{"title":"Vetting a technical job candidate","prompt":"Look up the Hacker News profile for the username 'tptacek' — I want to know their karma, how long they've been on the site, and what their bio says before our interview."},{"title":"Researching a prolific HN commenter","prompt":"Can you fetch the Hacker News profile for 'dang' and tell me their karma score and account age?"},{"title":"Verifying a claimed HN identity","prompt":"Someone told me their Hacker News username is 'sama' — can you pull their public profile and confirm their karma and join date?"}],"resultDescription":"A JSON object containing the Hacker News user's public profile data, including their karma score, account creation date (as a Unix timestamp), bio/about text, and submission count.","failureModes":["Username not found — HN returns no result for non-existent usernames","Payment failure — x402 USDC payment not accepted, returns 402","Malformed username input — invalid characters cause lookup failure","HN API rate limiting or downtime causing timeout or 5xx error","Empty bio/about field if user has not set one"],"whenToPreferThis":"Use this endpoint when you need to retrieve public Hacker News user profile data without needing an API key or signup — ideal for autonomous agent workflows that pay per call via x402 USDC on Base. Prefer this over scraping HN directly or using unofficial wrappers when you need structured, reliable JSON output at minimal cost ($0.001 per call).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T01:30:31.081Z","isFirstParty":false,"canonicalSlug":"hacker-news-user-profile-lookup-4f239b02"}