{"uid":"cap_0WfKBmAPVWTPa9XUSl6rF","slug":"readx-x-twitter-user-profile-lookup-by-id-c3c66764","name":"ReadX X/Twitter User Profile Lookup by ID","description":"ReadX is a read-only X/Twitter JSON API. Profiles, timelines, tweets, search, lists, followers & following — pay per call with x402 micropayments in USDC on Base or Solana. No API keys.","url":"https://readx.1x402.sh/api/user/%7Bid%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"code":0,"data":{}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_b0Z3MYgzQJmcXHsslAlHx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a Twitter/X user profile by numeric user ID via a pay-per-call JSON API using x402 micropayments","exampleAgentPrompt":"Can you pull up the Twitter profile for user ID 44196397 — I want to see their bio, follower count, and username?","exampleUseCases":null,"resultDescription":"Returns a JSON object with code 0 on success and a data object containing the user's public profile information including username, display name, bio, follower/following counts, tweet count, and other public account metadata.","failureModes":["Invalid or non-existent user ID returns an error code in the JSON response","Payment failure (insufficient USDC balance or x402 handshake error) returns HTTP 402","Rate limiting or upstream X/Twitter unavailability may return an error","Malformed ID path parameter results in a 400 or error JSON response"],"whenToPreferThis":"Use this endpoint when you need to look up a specific Twitter/X user profile by numeric ID without holding Twitter API credentials, and you are willing to pay $0.05 USDC per call via x402 micropayments on Base or Solana. Ideal for agents that need on-demand, low-volume Twitter profile lookups without managing API key subscriptions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:28:49.538Z","isFirstParty":false}