{"uid":"cap_tWMo4iM1HTYkGGpkRAClm","slug":"readx-x-twitter-profile-lookup-api-ee2fb085","name":"ReadX X/Twitter Profile Lookup API","description":"ReadX is a read-only X/Twitter JSON API. Profiles, timelines, tweets, search, lists, followers &amp; following — pay per call with x402 micropayments in USDC on Base or Solana. No API keys.","url":"https://readx.sh/api/%7Bname%7D/profile","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"code":0,"data":{"user":{"id":"12","bio":"","tweets":30000,"fullname":"jack","joinDate":1142974214,"username":"jack","followers":6500000,"following":4000,"verifiedType":"Blue"},"pinned":null,"photoRail":[]}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rDIfWKRA9n3SqEavpm0VK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a public X/Twitter user profile in JSON format by username, paid per call via USDC micropayments with no API keys required.","exampleAgentPrompt":"Pull up the X profile for @elonmusk — I want to see their bio, follower count, and account details.","exampleUseCases":null,"resultDescription":"A JSON object containing the public X/Twitter profile data for the requested username, including display name, bio, follower count, following count, tweet count, profile image, and other account metadata.","failureModes":["Username not found — returns error code with empty data object","Invalid or suspended account — API may return error or empty data","Payment failure via x402 — call not processed if USDC payment rejected","Rate limiting or upstream X API outage — intermittent errors","Malformed username in path — bad request response"],"whenToPreferThis":"Use this endpoint when you need to fetch a single X/Twitter user's public profile data without managing Twitter API keys or OAuth credentials. Ideal for agents that need social profile enrichment on a pay-per-use basis with USDC micropayments via x402. Best for low-to-moderate volume lookups where per-call pricing is more economical than a monthly API subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-08T18:46:39.987Z","isFirstParty":false}