{"uid":"cap_kxoxa4w7lth37fK73h5wF","slug":"blockbuster-ai-whatsapp-validator-c139aecc","name":"Blockbuster.ai WhatsApp Validator","description":"115+ premium paid endpoints: Social Media, AI/ML, E-commerce, Finance, Data Intelligence, Media, Tools. x402 micropayments on Base chain.","url":"https://blockbuster-ai.vercel.app/api/whatsapp-validator3","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Input parameter for the API call"}}},"responseSchema":{"type":"object","properties":{"data":{"type":"object"},"success":{"type":"boolean"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Vf9HTDUfaibHqTxxC4Jj0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a phone number is registered and active on WhatsApp","exampleAgentPrompt":"Can you check if the phone number +14155552671 is registered on WhatsApp before I try to message them?","exampleUseCases":null,"resultDescription":"Returns a JSON object with a success boolean and a data object indicating whether the queried phone number is registered and active on WhatsApp.","failureModes":["Invalid or malformed phone number format returns an error or false validation","Network timeout from WhatsApp lookup service","Rate limiting or quota exceeded on the underlying API","Missing query parameter returns a 400-level error","Phone number in unsupported country or region may return inconclusive result"],"whenToPreferThis":"Use this endpoint when you need to verify whether a contact's phone number is active on WhatsApp before initiating outreach, building contact lists, or automating WhatsApp messaging workflows. Prefer this over manual checks or broader social media validators when the specific platform is WhatsApp and you need a programmatic, pay-per-call validation at low cost ($0.05 USDC).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:48:33.247Z","isFirstParty":false}