multichain-api-middleware

@metamask/multichain-api-middleware

JSON-RPC methods and middleware to support the the MetaMask Multichain API.

Documentation

See MULTICHAIN_API.md for a readable, wallet-side reference of the Multichain API as implemented here: wallet_createSession inputs and outputs, supported methods per namespace, error codes, and how MetaMask currently diverges from the latest CAIP-25. The machine-readable schema lives in @metamask/api-specs.

Installation

yarn add @metamask/multichain-api-middleware

or

npm install @metamask/multichain-api-middleware

Contributing

This package is part of a monorepo. Instructions for contributing can be found in the monorepo README.