{"uid":"cap_wJ8_3hcCYpot7JYefcYau","slug":"whatsapp-phone-number-validator-7a140492","name":"WhatsApp Phone Number Validator","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/whatsapp-validator3","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":"0.17","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":"$0.17/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.17","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.17","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_EsFMeaveTlYjRwwti91zs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.17","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a given phone number is registered and active on WhatsApp","exampleAgentPrompt":"Can you check if the phone number +14155552671 is registered on WhatsApp so I know if I can reach them there?","exampleUseCases":null,"resultDescription":"Returns a result object indicating whether the provided phone number is registered and active on WhatsApp, along with associated metadata about the account status.","failureModes":["Invalid or malformed phone number format returns an error","Phone number not found or not registered on WhatsApp","Network timeout or upstream WhatsApp API unavailability","Missing required phone number input returns validation error","Rate limiting if called too frequently"],"whenToPreferThis":"Use this endpoint when you need to verify whether a phone number has an active WhatsApp account before initiating outreach, building a contact list, or routing communications. Ideal for pre-validating customer phone numbers for WhatsApp-based marketing or support workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:03:05.106Z","isFirstParty":false}