{"uid":"cap_hWW1cInaXRe-_QFCID30k","slug":"fastaf-x-twitter-profile-lookup-d0f39f38","name":"FastAF X (Twitter) Profile Lookup","description":"X (Twitter) public profile API for AI agents: look up a username for audience research and profile enrichment. Returns JSON with name, handle, biography, follower, following and post counts when available; public profile data, not tweet search. Provided by FastAF X Public Profiles. Price: $0.005000 USDC per successful call.","url":"https://api.fastaf.co/x402/v1/x?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","title":"FastAF X Public Profiles","$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"],"type":"string"},"queryParams":{"type":"object","examples":[{"profileId":"nasa"}],"required":["profileId"],"properties":{"profileId":{"type":"string","examples":["nasa"],"maxLength":8192,"description":"Required public X/Twitter username, e.g. nasa, without @ or a profile URL. No default; retrieves profile data, not an arbitrary post. No option surcharge; 5 credits per successful request."}},"description":"Public X (Twitter) profile lookup by profileId, without an @ prefix.","additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"name":{"type":"string"},"handle":{"type":"string"},"description":{"type":"string"},"statuses_count":{"type":"number"},"followers_count":{"type":"number"},"following_count":{"type":"number"}},"description":"Public X profile JSON with name, handle, description, followers_count, following_count and statuses_count when available.","additionalProperties":true}}},"docsUrl":{"type":"string","format":"uri"},"website":{"type":"string","format":"uri"},"homepage":{"type":"string","format":"uri"},"openApiUrl":{"type":"string","format":"uri"}},"description":"X (Twitter) public profile API for AI agents: look up a username for audience research and profile enrichment. Returns JSON with name, handle, biography, follower, following and post counts when available; public profile data, not tweet search."},"responseSchema":{"type":"json","example":{"name":"Example","handle":"example","description":"...","statuses_count":500,"followers_count":1000,"following_count":10}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PaWxbwMMvLbFByM709DB5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","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) profile by username and returns name, bio, follower count, following count, and post count as JSON.","exampleAgentPrompt":"Can you pull up the public X profile for elonmusk — I want to see their follower count, following count, bio, and total posts?","exampleUseCases":[{"title":"Influencer vetting for brand deals","prompt":"Can you look up the X profile for mkbhd and tell me their follower count, how many people they're following, and what their bio says? I need to vet them for a potential sponsorship."},{"title":"Competitor social media monitoring","prompt":"What are the current follower and post counts for the Twitter account openai? I want to track how their X presence compares to ours."},{"title":"Journalist research on public figure","prompt":"Can you fetch the public X profile for AOC — I need her full name as shown, bio, and follower numbers for a story I'm writing."}],"resultDescription":"Returns a JSON object containing the account's display name, handle, bio description, follower count, following count, and total post (statuses) count for the requested public X/Twitter username.","failureModes":["Username not found or account doesn't exist — returns error response, no charge","Account is private or suspended — request may fail without charge","Missing or invalid profileId parameter — validation error","Username with @ prefix or full URL passed instead of bare handle — may fail to resolve","Rate limiting or upstream X API unavailability — request fails, no charge per policy"],"whenToPreferThis":"Use this endpoint when you need structured profile metadata (follower count, bio, post count) for a specific public X/Twitter account by username. It is faster and cheaper than scraping X directly, requires no Twitter API credentials, and charges only on success. Prefer this over general web scraping endpoints when the specific output fields (name, bio, follower/following/post counts) are exactly what you need.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T00:33:27.950Z","isFirstParty":false,"canonicalSlug":"fastaf-x-twitter-profile-lookup-d0f39f38"}