{ "title": "Send SMS OTP Example", "description": "Send a one-time password SMS for account login verification", "request": { "method": "POST", "url": "https://rest-ww.telesign.com/v1/messaging", "headers": { "Content-Type": "application/x-www-form-urlencoded", "Authorization": "Basic {base64(customer_id:api_key)}" }, "body": "phone_number=15551234567&message=Your+Telesign+code+is+%24%7Botpcode%7D&message_type=OTP&account_lifecycle_event=sign-in" }, "response": { "status": 200, "headers": { "Content-Type": "application/json" }, "body": { "reference_id": "a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4", "status": { "code": 290, "description": "Message in progress", "updated_on": "2026-05-03T12:00:00Z" } } } }