Ethereum API

Ethereum SDK

A JavaScript / TypeScript / Python / C# / PHP cryptocurrency trading library with support for 100+ exchanges

Zabo SDK for JS

Yet another React data (re)fetching library

RSK API using Simple JSON RPC, a web3 replacement

JSON-RPC Schema and TypeScript typings for the Wallet-to-Wallet Message Format

one-stop-shop SDK to interact with the Opium-v2 protocol contracts, subgraphs and APIs

Unofficial Poloniex API client, with public/private methods and push.

EmbarkJS APIs for Embark

JSON-RPC Schema and TypeScript typings for the State Channels Client API

Ethereum API of CoolWalletS.

Manages and registers APIs for Embark process logs

Yet another React data (re)fetching library

A JavaScript library for cryptocurrency trading.

SDK Access to the Sila API

This package provides functionality to interact with the Pinata API and the Ethereum blockchain to upload NFTs.

Ethereum JavaScript API

Official MCP (Model Context Protocol) server for UniVoucher.com - the world's first decentralized crypto gift card protocol. Provides comprehensive documentation access and live API integration for building on the UniVoucher ecosystem across multiple bloc

NOWPayments API client for Node.js with WebSocket support

Receive all the ethereum transactions that have been included in the block, including 'internal' transactions

Load Ethereum smart contract definitions/metadata over HTTP

JavaScript library for easily interacting with Swarm distributed storage.

This is an Angular wrapper library for Contract Interaction with Ethereum using Web3. This library encapsulates API for contract related calls to Ethereum Blockchain.

Ethereum-specific blockchain APIs and contract deployment functions for Embark

Sonra is a codegen library for Ethereum web applications for a better type driven development experience. It solves a coordination problem between contract addresses, metadata and interfaces enabling users to have a cleaner api to build their web applicat

This is a node.js wrapper for communicating with the public and the trading APIs of the Poloniex Bitcoin/Digital Asset Exchange.

A javascript wrapper for accessing amberdata's public API.

A function to allow you to self-host the api portion of NFTE in your own infrastructure.

wagmi hooks that resolve Safe transaction hashes to onchain transaction hashes by Safe's transaction api

HappyChain is a payment api for Ethereum applications. The missing blockchain API for Ethereum http://happycha.in

React hook and API endpoints that provide Sign In With Ethereum support

ethers.js extension for Klaytn blockchain

The Parity Promise-based API library for interfacing with Ethereum over RPC

Deployment APIs for Embark

Communication APIs for Embark

The [Defender Autotasks](https://docs.openzeppelin.com/defender/autotasks) service allows you to run small code snippets on a regular basis or via webhooks that can make calls to the Ethereum network or to external APIs. Thanks to tight integration to Def

Independent Reserve API Client for Node.JS

Basic cryptocurrency ticker supporting multiple exchanges and currencies with websockets where available.

customizer nft

A strongly typed Ethereum library that facilitates talking to an Ethereum JSON-RPC node via the whatwg Fetch API.

Blockchain APIs for Embark

Embark api module

An easy to use and reliable library that provides one line access to Web3 API.

Client interface for the CoinMetrics.io API.

A JavaScript / TypeScript / Python / C# / PHP cryptocurrency trading library with support for 130+ exchanges

Raiden Light Client standalone app with a REST API via HTTP

Blockchain API to call etherium

Official TypeScript client for the Crablr platform with support for API integration and multi-chain transaction building.

A wrapper for creating API based oracles for ethereum on the top of iExec

Basement SDK