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Intro to XMTP

What is XMTP?Upcoming releases ↗FAQ Build with LLMs Dev support XMTP Improvement Proposals

Quickstart: Build a chat inbox 📥

Tutorial: Build an agent 🤖

Build core messaging

Pick an SDK Create an EOA or SCW signer Create a client Create conversations Send messages Manage group permissions Manage group metadata Manage inboxes, IDs, and installations Observe rate limits

List, stream, and sync

List conversations Stream messages and preferences Sync conversations and messages Sync preferences History sync

Support rich content types

Understand content types Attachments Onchain transactions Onchain transaction references Reactions Replies Read receipts Custom content Handle unsupported content

Support spam-free inboxes

Understand user consent Support user consent

Support push notifications

Understand push notifications Support push notifications Run a push notifications server Try Android push notifications Try iOS push notifications

Upgrade to a stable XMTP V3 SDK

From a legacy XMTP V2 SDK From a legacy XMTP V3 SDK

Sign and verify payloads

Network

Run a network node Testnet nodes

Protocol concepts

Envelope types Security Encryption ↗Identity ↗Consent ↗Decentralization ↗Wallet signatures

💬 Doc feedback

Get dev support for building with XMTP

Building with XMTP and need help or think you've found a bug?

Please open an issue in the relevant repo:

Browser SDK
Node SDK
React Native SDK
Android SDK
iOS SDK

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