Overview

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FOR DEVELOPERS: SDK API DOCUMENTATION

To start building on Lit, check out the Lit SDK intro. For an in-depth understanding of the functionality provided, check out the Serrano branch API docs.

For references to programmatic signing and the Lit Actions functions which can be accessed inside a Lit Action via the Lit.Actions object, use the Lit Actions API docs.

Lit is open source, decentralized cryptography for access control, compute, and encryption. Get started today!

Quick Start

👩‍💻 Install the Lit JavaScript SDK

Set up the SDK within your local environment.

👋 Hello World w/ Lit Actions

Create your first Lit-enabled application using Lit Actions.

📁 Encrypt On-Chain Metadata (Polygon)

Encrypt on-chain meta-data (an NFT description) using the Lit SDK.

⌨️ Encrypt and Decrypt Static Content

Learn how to encrypt data for private storage on the open web.

🔑 Provisioning access with a JSON Web Token (JWT)

NextJS Project: Token gate a page using a JWT.

✍️ Return a signed API response

Learn how to fetch and sign data from the open Web using Lit Actions.

Core Concepts

🔐 Access Control & Encryption

Learn about setting on-chain conditions to manage access to your private data.

📡 PKPs and Lit Actions

Learn about programmable wallets that can read and write from any HTTP endpoint, blockchain, state machine, or decentralized storage system.

🧩 Use Cases

Learn about how you can integrate Lit infrastructure within your own products.

Learn through Code

🧶 Arweave / Bundlr Guide

Encrypt data using Lit and upload it to Arweave using Bundlr.

🪴 Ceramic x Lit SDK

Build a simple encryption and decryption application with Lit and Ceramic.

👐 Open Source Examples

More examples to get you started.

📖 API Documentation

Discover all the functions available in the Lit SDK.

📃 Lit Actions SDK Documentation

Discover all the functions that can be used inside a Lit Action.

🛠 Tools

Additional tools to help build with Lit.

Explore the Lit Ecosystem

💸 Grants

We are looking to support those who are building Lit-enabled apps and infrastructure.

💻 Ecosystem RFPs

Learn about how you can contribute to Lit Protocol.

👨‍👩‍👧‍👦 Community

Join the community through Discord, Twitter, and keep up to date with the community calendar.

⛓️ Supported Blockchains

We currently support most EVM chains, Cosmos and Solana.