{"uid":"cap_HT6T4jyjiTBH2nkKWxMy_","slug":"xspy-twitter-smart-follower-check-976891ef","name":"xspy Twitter Smart Follower Check","description":"Real-time KOL intelligence, smart follower graphs, and on-chain token signals from tweets. Pay only for the calls you make in USDC on Base or Solana. Agent-ready, no API keys required.","url":"https://xspy.pro/api/v1/pro/twitter/%7Busername%7D/is-smart-follower","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"code":200,"data":{"label":"","isSmartFollower":false},"status":true,"message":"success"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ikOHF22McUDOYHU8X8-Sb","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Determines whether a given Twitter/X username is a 'smart follower' — a high-signal crypto-native account — returning a boolean and a label.","exampleAgentPrompt":"Is @elonmusk considered a smart follower or high-signal crypto account on xspy? Check the smart follower status for that username.","exampleUseCases":[{"title":"Filter high-signal crypto followers","prompt":"I have a list of Twitter accounts that recently followed our project — can you check each one and tell me which ones are classified as smart followers or KOLs in crypto? I want to focus our outreach on the high-signal accounts."},{"title":"Verify influencer credibility before partnership","prompt":"We're considering partnering with @cryptowhale99 for a token launch promotion. Can you check if they're actually considered a smart follower or high-signal crypto account, or just a regular user with a big audience?"},{"title":"Build smart money Twitter dashboard","prompt":"I'm putting together a dashboard of wallets tied to influential crypto Twitter accounts. Can you run through this list of X usernames and flag which ones qualify as smart followers so I know whose on-chain moves are worth tracking?"}],"resultDescription":"Returns a JSON object with a boolean isSmartFollower field (true/false) indicating whether the account is classified as a high-signal crypto account, plus a label string describing the classification and a success status.","failureModes":["Username does not exist on Twitter/X — likely returns an error or empty data object","Payment not processed (x402 payment required) — returns 402 Payment Required","Invalid or malformed username in path — returns 400 or error status","Rate limiting or upstream Twitter API issues — returns 5xx error","Private or suspended account may return empty or error response"],"whenToPreferThis":"Use this endpoint when you need to programmatically classify whether a Twitter/X account is a high-signal crypto participant (smart follower) without maintaining your own classification model. Ideal for filtering follower lists, evaluating influencer credibility in crypto contexts, or building smart money dashboards. Prefer this over general Twitter analytics APIs when the specific smart-follower/KOL classification signal is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-08T06:43:51.611Z","isFirstParty":false}