{"uid":"cap_uAxgpZArLTRVaZHB1r5v-","slug":"fomoscan-user-lookup-by-handle-6c86d75b","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/dingalingts","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_YF5xsTGIUpNMZgr5Wzn-g","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 trader's profile by their public @handle, returning their stable user ID, name, bio, and verified blockchain wallet addresses.","exampleAgentPrompt":"Can you look up the FOMO trader with handle 'dingalingts' and tell me their stable user ID, bio, and verified wallet addresses?","exampleUseCases":[{"title":"Resolve trader handle before fetching theses","prompt":"I want to read all trade write-ups from the FOMO user 'cryptowhalexyz' — can you look them up by handle first to get their stable user ID so I can pull their theses?"},{"title":"Verify wallet ownership of a FOMO account","prompt":"What are the verified Solana and EVM wallet addresses linked to the FOMO account with handle 'moonboi99'?"},{"title":"Build profile card for a FOMO trader","prompt":"Pull the full profile for the FOMO trader 'apemaster' — I need their display name, bio, and wallet addresses to populate a dashboard card."}],"resultDescription":"Returns a user object containing the stable internal user ID, the current handle, display name, bio text, and any verified Solana and/or EVM (0x-prefixed) wallet addresses associated with the account. The stable ID should be persisted for future lookups since handles can change.","failureModes":["Handle not found — returns 404 or empty result if the @handle does not exist or has been deleted","Handle changed — if the handle was recently changed, the old handle may return no result; use stored ID instead","Passing a wallet address or numeric ID instead of a handle causes an error or no match","Rate limiting or payment failure if the x402 payment of $0.1 USDC is not properly handled","Network timeout or 5xx if FomoScan service is temporarily unavailable"],"whenToPreferThis":"Use this endpoint when you have a FOMO trader's public @handle (the text username, without the @ symbol) but do not yet have their stable internal user ID. It is the correct starting point for handle-based lookups. Once you have the stable user ID, prefer the ID-based endpoint for all subsequent calls since handles can change. Do not use this endpoint if you already have the user ID or a wallet address — use the wallet-based or ID-based sibling endpoints instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:34:44.171Z","isFirstParty":false}