Introduction to the XMTP JavaScript SDK

The XMTP JavaScript SDK is a TypeScript implementation of an XMTP client for use with JavaScript and React apps.

When you build an app with XMTP, you can use the following functions provided by the SDK:

Function	Description
Key pair generation	Create XMTP keys used for message signing and encryption and advertising public keys to the network.
Key storage	Store XMTP keys securely.
Key signing	Sign XMTP keys using a connected wallet app.
Relationship initiation	Create a secure messaging relationship between two accounts.
Conversation initiation	Create a container of messages between two accounts.
Message sending	Capture plaintext and submit it to the network.
Message history retrieval	Retrieve the history of messages between two accounts, filterable by date range.
Message streaming	Receive new messages in real-time.
Message authentication	Validate messages are from their purported sender.
Message format validation	Ensure messages are properly formatted for the XMTP network.

To learn how to build an app with the XMTP SDK, see Quickstart for the XMTP JavaScript SDK.

To learn about XMTP SDK classes and interfaces, see XMTP JavaScript SDK Reference.