{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/at-and-t/refs/heads/main/json-schema/sms-api-inbound-sms-message-schema.json", "title": "InboundSmsMessage", "description": "InboundSmsMessage schema from AT&T API", "type": "object", "properties": { "messageId": { "type": "string", "description": "Unique identifier for the inbound message", "example": "msg-500456" }, "message": { "type": "string", "description": "SMS message text content", "example": "STOP" }, "senderAddress": { "type": "string", "description": "Phone number of the message sender in tel:+E.164 format", "example": "tel:+12125551234" }, "destinationAddress": { "type": "string", "description": "Short code that received the message", "example": "12345" }, "dateTime": { "type": "string", "format": "date-time", "description": "Date and time when the message was received", "example": "2026-04-19T14:30:00Z" } } }