{"openapi":"3.2.0","info":{"title":"Facebook Checker API","description":"Verify Facebook accounts by email, phone, or username. Extract numerical Profile IDs, avatar images, custom photo flags, and linked Instagram accounts.","version":"1.0.0"},"servers":[{"url":"https://facebook-checker.jojapi.net"}],"security":[{"ApiKeyAuth":[]}],"tags":[{"name":"check_one_program"}],"x-agent-commerce":{"catalog_url":"https://facebook-checker.jojapi.net/_jojapi/agent/plans","discovery_url":"https://facebook-checker.jojapi.net/.well-known/x402","directory_url":"https://agents.jojapi.net/apis/facebook-checker","docs":"https://docs.jojapi.com/consumers/agents"},"paths":{"/check":{"post":{"operationId":"post_check","summary":"Single Check","description":"Verify Facebook account existence by email, phone, or username. Returns live status and, when available depending on the target account and input type, numerical Profile IDs, HD profile photos, custom avatar flags, and linked Instagram accounts.","tags":["check_one_program"],"responses":{"200":{"description":"Facebook account exists. Note: metadata is included when available depending on the target account itself and whether the input is an email, username, or phone."},"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":"target_user@gmail.com"}}}}}}},"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"X-JoJAPI-Key","description":"Your JoJ API key."}}}}