# Messaging APIs

This section provides an overview of Acrobits messaging-related client APIs.

- [Fetch Messages](fetch_messages.md) for incoming and synchronized message history
- [Send Message](send_message.md) for outgoing messages
- [Disposition Notification](disposition_notification.md) for delivery and display acknowledgment payloads
- [Delete Message](delete_message.md) for message and attachment deletion payloads
- [File Transfer Format](file_transfer.md) for file attachment payload structure

`Delete Message` and `File Transfer Format` are applicable with both messaging over HTTP (Fetch) and SIP SIMPLE.