{"uid":"cap_WkEInun7HB9DTOcftIriF","slug":"kiteendpoints-ai-whatsapp-phone-number-validator-c7d16279","name":"KiteEndpoints.ai 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-v3.vercel.app/api/whatsapp-validator3?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":"0.17","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":"$0.17/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_J_CV4fmZr1txsOQkcI7Zo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.17","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a phone number is registered on WhatsApp and returns its status","exampleAgentPrompt":"Can you check if the phone number +1 (415) 555-0198 is registered on WhatsApp before I try to reach out to them?","exampleUseCases":[{"title":"Pre-send WhatsApp outreach check","prompt":"I have a lead's phone number +44 7911 123456 — can you verify it's actually registered on WhatsApp before I add it to our messaging campaign?"},{"title":"CRM contact WhatsApp enrichment","prompt":"We have a customer record with phone number +55 11 91234-5678 — please check if this number has an active WhatsApp account so we know how to route support messages."},{"title":"International number WhatsApp verification","prompt":"I need to confirm whether +81 90-1234-5678 is a valid WhatsApp number before my team tries to onboard this Japanese client through WhatsApp."}],"resultDescription":"Returns a JSON object containing the validation result indicating whether the provided phone number is registered and active on WhatsApp, along with any available account status data.","failureModes":["Invalid or malformed phone number format returns an error result","Phone number not registered on WhatsApp returns negative validation","Rate limiting or upstream WhatsApp API unavailability may cause failures","Missing required phone number parameter returns a request error","Country code omission may cause lookup failure"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-request check on WhatsApp number validity without maintaining your own WhatsApp Business API integration. It is best suited for validating individual numbers before CRM enrichment, messaging campaigns, or customer onboarding flows where WhatsApp is the communication channel.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:47:27.258Z","isFirstParty":false,"canonicalSlug":"kiteendpoints-ai-whatsapp-phone-number-validator-c7d16279"}