[json-rpc-engine](https://github.com/MetaMask/json-rpc-engine) middleware implementing ethereum filter methods. Backed by an [eth-block-tracker](https://github.com/MetaMask/eth-block-tracker) and web3 provider interface (`web3.currentProvider`).
A JavaScript wrapper for the Polkadot JsonRPC interface
RPC decorator that chunks getAccounts requests into batches
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TypeScript client and types for the Tezos RPC used by Taquito.
Functional programming in TypeScript
Collection of example OpenRPC service definition files
Web3 Providers package
A super simple module for querying the Ethereum RPC layer without formatting.
A tool for processing JSON-RPC messages.
Library of implementations for interfacing with the NEAR blockchain
This TypeScript package provides low-level bindings to the [Substrate JSON-RPC Interface](https://paritytech.github.io/json-rpc-interface-spec/introduction.html), enabling interaction with Substrate-based blockchains.
This package exports `getSyncProvider`, a function to create `JsonRpcProvider`s that will act as if the connection happen synchronously.
A small toolset for streaming JSON-RPC data and matching requests and responses.
Light client that connects to Polkadot and Substrate-based blockchains
JavaScript/TypeScript-native RPC library with Promise Pipelining
A client library for the Kubo RPC API
Ethereum JavaScript API
RPC configuration for Frequency for use with Polkadotjs API
A browser-compatible JSON-RPC client with multiple transports.
Schema validation for the mutation server protocol (MSP).
Solana Javascript API
Test your OpenRPC Document against an API.
JSON RPC 2.0 Errors.