{"uid":"cap_vwhDMI4F35i-E86s_Tfmx","slug":"kiteendpoints-ai-username-check-api-a5df0026","name":"KiteEndpoints.ai - Username Check API","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-v2.vercel.app/api/username-check","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":"probe","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_oz3DTXpE55-wzFP0S_-dc","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.06","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a username is available or already taken across social media or other platforms","exampleAgentPrompt":"Can you check if the username 'sunrisedev42' is available?","exampleUseCases":[{"title":"Brand name registration across platforms","prompt":"I want to register 'TechNova' as my company brand. Can you quickly check if that username or handle is available on Twitter, Instagram, and TikTok so I know what platforms I can claim it on?"},{"title":"Social media handle selection during signup","prompt":"I'm creating a new YouTube channel and I really like the handle 'CreativeFlow'. Before I commit to signing up, can you verify whether that handle is already taken on YouTube?"},{"title":"Marketplace seller username validation","prompt":"I'm setting up a seller account on Etsy and want to use 'ArtisanCraft2024' as my shop name. Can you check if that username is free or if someone's already using it?"}],"resultDescription":"Returns an object containing availability status and related data about the queried username, indicating whether it is taken or free on the target platform.","failureModes":["Username not provided — returns validation error","Platform not reachable — returns upstream error","Invalid username format — returns 400-level error","Payment not completed — returns 402 Payment Required","Rate limit exceeded — returns 429 error"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-request username availability check without committing to a subscription service. Ideal for agents handling account creation flows, brand registration, or social media handle selection where on-demand lookup is preferred over bulk checking.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:03:03.705Z","isFirstParty":false}