{"uid":"cap_DYOKmfJNfNoTUzPfgcz2I","slug":"kiteendpoints-ai-username-availability-checker-b4c6ede7","name":"KiteEndpoints.ai Username Availability Checker","description":"400+ paid API endpoints. Social media, AI, crypto, finance, weather, ecommerce, tools. Pay per request with USDC on Base chain.","url":"https://kite-hub-v3.vercel.app/api/username-check?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"object","example":{"result":{"data":"example response"}},"properties":{"result":{"type":"object","description":"API response data"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.06","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":"$0.06/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_EZvFiO7Pecu_q-rABCUYx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.06","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a given username is available or already taken across platforms","exampleAgentPrompt":"Can you check if the username 'techpioneer99' is available? I want to know before I try to sign up.","exampleUseCases":[{"title":"Brand handle availability check","prompt":"Is the username 'sunrisecoffeeco' available? We're about to launch a new social media campaign and want to grab it before someone else does."},{"title":"Personal account registration planning","prompt":"Check if 'jordanblake2024' is taken — I'm setting up a new account and want to use that handle."},{"title":"Bulk name shortlisting for startup","prompt":"Can you check if the username 'novavault' is available? It's the top candidate for our startup's brand handle."}],"resultDescription":"Returns a result object indicating whether the queried username is available or already taken, along with any relevant platform-specific data about that username's status.","failureModes":["Username not provided — request returns an error indicating missing required field","Platform not supported — endpoint may return an error or empty result","Rate limiting — too many requests in a short window may result in throttling","Network timeout — vercel deployment may occasionally be slow or unavailable","Invalid characters in username — may return validation error"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-use username availability check without setting up a dedicated integration. Useful for agents that need to validate username options on demand, especially when cost predictability per call matters (flat $0.06 USDC). Prefer this over manual browser checks or platform-specific APIs when you want a single unified endpoint.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-26T06:30:26.765Z","isFirstParty":false,"canonicalSlug":"kiteendpoints-ai-username-availability-checker-b4c6ede7"}