{"uid":"cap_0wAQMBvtb78B0tM0NnC-d","slug":"blockbuster-ai-whatsapp-validator-e733ae22","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-validator?utm_source=zero.xyz","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":{"p10Cents":"5.0000","medianCents":"5.0000","p90Cents":"5.0000","minCents":"5.0000","maxCents":"5.0000","p95Cents":"5.0000","sampleCount":1,"varies":false,"failureChargeRate":1},"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_HdEaAg6FZQpvmn3ltbK_i","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 given phone number is a registered and active WhatsApp account","exampleAgentPrompt":"Can you check if the phone number +14155552671 is actually registered on WhatsApp before I add them to my outreach list?","exampleUseCases":[{"title":"Validate contacts before WhatsApp campaign","prompt":"I have a list of 500 customer phone numbers and I want to run a WhatsApp marketing campaign — can you check which of these numbers are actually registered on WhatsApp before I start sending messages?"},{"title":"Route support tickets via WhatsApp","prompt":"When a new support ticket comes in, can you verify if the customer's phone number is on WhatsApp so I can decide whether to reach out to them there or fall back to SMS or email?"},{"title":"Clean CRM WhatsApp contact list","prompt":"I'm building out our CRM and want to tag which contacts are reachable on WhatsApp — can you go through these phone numbers and confirm which ones have active WhatsApp accounts?"}],"resultDescription":"Returns a JSON object with a success boolean and a data object indicating whether the provided phone number is a registered and active WhatsApp account.","failureModes":["Invalid or malformed phone number format returns an error or false result","Number not on WhatsApp returns success:true but data indicating not registered","Payment failure via x402 micropayment returns 402 status blocking the request","Rate limiting or downstream WhatsApp API issues may return service unavailable","Missing or empty query parameter may cause a 400 bad request"],"whenToPreferThis":"Use this endpoint when you need to verify whether a specific phone number is registered on WhatsApp before initiating messaging campaigns, building contact lists, or routing communications. Prefer this over manual checking or alternative validators when you need a programmatic, pay-per-use solution integrated with x402 micropayments on Base chain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T00:47:31.609Z","isFirstParty":false,"canonicalSlug":"blockbuster-ai-whatsapp-validator-e733ae22"}