{"uid":"cap_I4B38vI6kDzrxE1kZCXKv","slug":"fomoscan-user-lookup-by-handle-ed56c4ad","name":"FomoScan User Lookup by Handle","description":"Resolve a FOMO trader by public handle (the @name on FOMO, without @). Use when you have a handle and not a stored user id. Returns id, handle, name, bio, and verified solanaAddress/evmAddress. Persist id — handles can change. Do not pass a wallet or numeric id.","url":"https://www.fomoscan.dev/v2/user/handle/overdose_ai","method":"GET","headers":{},"bodySchema":{"type":"object","$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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3P3Se4foeooxXhAv3InS3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves a FOMO platform trader's profile by their public @handle, returning their stable user ID and verified wallet addresses.","exampleAgentPrompt":"Can you look up the FOMO trader with handle overdose_ai and get me their stable user ID and any verified wallet addresses?","exampleUseCases":[{"title":"Resolve trader handle before portfolio analysis","prompt":"I want to analyze the trade history of the FOMO user 'cryptowizard' — can you first look them up by handle so we have their stable ID and wallet addresses?"},{"title":"Verify on-chain wallet from social handle","prompt":"Someone on Twitter mentioned a FOMO trader going by 'sol_degen' — can you pull up their FOMO profile from that handle and tell me their verified Solana address?"},{"title":"Persist stable ID before following thesis feed","prompt":"I want to track theses from the FOMO user 'moon_caller' — resolve their handle to get their stable user ID so I can subscribe to their feed without worrying if they rename themselves."}],"resultDescription":"Returns a JSON object containing the trader's stable numeric user ID, current handle, display name, bio, and their verified Solana and/or EVM wallet addresses. The stable ID should be persisted by the caller since handles can change over time.","failureModes":["Handle not found — returns 404 if the handle does not exist or has been deleted","Wrong input type — passing a wallet address or numeric ID will fail; this endpoint only accepts plain handles without the @ symbol","Payment failure — if the x402 payment of 0.1 USDC cannot be completed, the call will be rejected","Rate limiting — excessive calls may result in throttling"],"whenToPreferThis":"Use this endpoint when you have a FOMO trader's public @handle but not their stable numeric user ID. Prefer the handle-lookup endpoint over wallet-based or ID-based endpoints specifically when starting from a social username. Once you obtain the stable ID, persist it and use the ID-based endpoint for all subsequent calls to avoid issues if the user renames their handle.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:39:13.744Z","isFirstParty":false}