{"uid":"cap_RJYRkAIJonjtFhAWyuHGg","slug":"fiber-ai-api-fiber-ai-count-stealth-ex-stealth-startup-founders-0519e955","name":"Fiber AI - Count Stealth/Ex-Stealth Startup Founders","description":"Count stealth or ex-stealth startup founders matching search criteria.","url":"https://mpp.orthogonal.com/fiber/v1/stealth-founders/count?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["contacts","email","phone","enrichment","data"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":true,"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":"dynamic","summary":"$0.02/call","primary":{"kind":"dynamic","protocol":"mpp","network":"tempo","amountUsd":null,"per":"call","confidence":"unknown"},"accepted":[{"kind":"dynamic","protocol":"mpp","network":"tempo","amountUsd":null,"per":"call","confidence":"unknown"}]},"paymentMethods":[{"uid":"pm_M_IA2yu3FHHhC5SRK3cLj","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"unknown","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":"Fiber AI API","brandSlug":"fiber-ai-api-mpp","brandBaseUrl":"https://api.fiber.ai","brandDocsUrl":"https://api.fiber.ai","whatItDoes":"Returns the count of stealth or ex-stealth startup founders matching specified search criteria.","exampleAgentPrompt":"How many stealth and ex-stealth startup founders does Fiber AI have on record who are based in the US and working in the AI or fintech space?","exampleUseCases":null,"resultDescription":"A numeric count representing the total number of stealth or ex-stealth startup founders that match the provided search criteria, useful for estimating audience size before fetching full records.","failureModes":["Invalid or malformed search filter parameters returns a 400 error","Authentication failure returns 401 unauthorized","Search criteria too broad may return unexpectedly large counts","Unsupported filter fields return validation errors","Network timeout on complex queries"],"whenToPreferThis":"Use this endpoint when you want to estimate the size of a stealth or ex-stealth founder audience before committing to a full search or purchase of contact records. It is the right choice when planning outreach campaigns, validating filter combinations, or checking data availability for stealth-stage founders specifically — distinct from general founder or people search endpoints.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:37:54.323Z","isFirstParty":false,"canonicalSlug":"fiber-ai-api-fiber-ai-count-stealth-ex-stealth-startup-founders-0519e955"}