{"openapi":"3.2.0","info":{"title":"WhatsApp Phone Number and Business Checker API","description":"Verify WhatsApp account existence by phone number. Detect WhatsApp Business accounts, verified badges, profile pictures, and catalog links with high speed.","version":"1.0.0"},"servers":[{"url":"https://whatsapp-checker.jojapi.net"}],"security":[{"ApiKeyAuth":[]}],"x-agent-commerce":{"catalog_url":"https://whatsapp-checker.jojapi.net/_jojapi/agent/plans","discovery_url":"https://whatsapp-checker.jojapi.net/.well-known/x402","directory_url":"https://agents.jojapi.net/apis/whatsapp-phone-checker","docs":"https://docs.jojapi.com/consumers/agents"},"paths":{"/check":{"post":{"operationId":"post_check","summary":"Single Check","description":"Verify WhatsApp phone numbers in E.164 format. Returns registration presence, Business vs Personal classification, verified badges, company names, high-res avatar pictures, and catalog links.","responses":{"200":{"description":"Phone number is registered on WhatsApp with Business classification, verified badge, avatar URL, and catalog link."},"402":{"description":"Payment required — pay per request with x402/mpp (offer in the PAYMENT-REQUIRED / WWW-Authenticate headers and the JSON body), or send a JoJ API key."},"422":{"description":"Returned when the request body is missing required fields or fails input validation."}},"x-payment-info":{"protocols":["x402","mpp"],"price":{"mode":"fixed","currency":"USD","amount":"0.01"},"intent":"charge"},"requestBody":{"content":{"application/json":{"schema":{"type":"object"},"example":{"input":"+14155552671"}}}}}}},"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"X-JoJAPI-Key","description":"Your JoJ API key."}}}}