{"uid":"cap_LIS5tXC7ckVDXnncz0qIa","slug":"kiteendpoints-ai-whatsapp-phone-number-validator-cfa4f147","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-validator?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":"0.12","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":"$0.12/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.12","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.12","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vZxSYZMOcPn3mI-XDHHXF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.12","costPer":"request","priority":0,"asset":null,"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 whether I can reach them there?","exampleUseCases":[{"title":"Pre-campaign WhatsApp list validation","prompt":"Before I send out our WhatsApp marketing campaign, can you check if +447911123456 is actually registered on WhatsApp? I don't want to waste sends on invalid numbers."},{"title":"Customer onboarding contact check","prompt":"A new customer gave us +5511987654321 as their WhatsApp number — can you verify that it's actually a real, active WhatsApp account before we add it to our CRM?"},{"title":"Support routing validation","prompt":"We want to route this support ticket to WhatsApp, but first can you validate that the number +6281234567890 is registered on WhatsApp so we don't send into the void?"}],"resultDescription":"Returns a validation result object indicating whether the provided phone number is registered and active on WhatsApp, along with any relevant status details about the account's reachability.","failureModes":["Invalid or malformed phone number format returns an error","Phone number not in E.164 format may fail validation","Rate limiting may occur with high request volumes","Network timeouts on slow connections","WhatsApp API changes may cause intermittent failures"],"whenToPreferThis":"Use this endpoint when you need to verify WhatsApp registration status of a phone number before initiating communication, running a messaging campaign, or onboarding users via WhatsApp. Prefer this over manual checks when automating contact list hygiene or pre-validating numbers at scale.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:51:35.192Z","isFirstParty":false,"canonicalSlug":"kiteendpoints-ai-whatsapp-phone-number-validator-cfa4f147"}