JSPM

Validate any Bitcoin address - P2WSH, P2WPKH, P2SH, P2PKH - Mainnet & Testnet

Crockford base-32 checksum encoding

Pure JavaScript implementation of the scrypt key deriviation function that is fully compatible with Node.js and the browser.

Base32 encoding / decoding of bitcoin cash addresses

A wrapper for the Multichain JSON-RPC api that parses your input.

Client-side Bitcoin JavaScript library

coinspot.com.au API client for node.js

Fork of ecpair with BitGo specific changes

Melis Javascript API bindings

A library for interacting with BitMEX's websocket API.

The full stack toolkit to build onchain app UX.

Auto-generated Bitcoin client library for bitcoind JSON-RPC API

A performance conscious library for merkle root and tree calculations.

bitcoin-api-light is a bitcoin light-client nodejs module using Blockchain.info and Blockcyphers API to do three simple calls a minimal bitcoin wallet application needs to work

NPM package module for Mempool APIs.

CryptAPI's Library for NodeJS

Node.js wrapper for local and remote Bisq API endpoints

A set of utilities for working with BIP47 and bitcoinjs-lib

CryptoCompare API library

Complete & robust Node.js SDK for Gate.io's REST APIs, WebSockets & WebSocket APIs, with TypeScript declarations.

Library for encoding ECDSA private keys to PEM, DER and raw hex formats

Bech32(m) encoding for byte buffers

BitGo JavaScript SDK

Model Context Protocol server providing access to Tatum's comprehensive blockchain API across 130+ networks with 13 tools

AskExperts SDK: build and use AI experts - ask them questions and pay with bitcoin on an open protocol

A TypeScript SDK for interacting with the SatsTerminal ecosystem.

API Interface for coinex.com Bitcoin Cash exchange.

API Bittrex - asynchronous node.js library for the Bittrex API https://bittrex.com/

Nodejs API wrapper for OKEX exchange

Library exposing methods for the creation and consumption of Bitcoin transactions pertaining to Babylon's Bitcoin Staking protocol.

api for coinmarketcap

An open-source frontend for the Segwit2x Insight API. The Insight API provides you with a convenient, powerful and simple way to query and broadcast data on the bitcoin network and build your own services with it.

The chain agnostic tool to enable authentication for AppKit applications.

Reactive primitives for Bitcoin apps.

MCP server for accessing cryptocurrency prices using Coinpaprika API

onename API node JS library

Client-side Bitcoin JavaScript library

Forked for Lick Hunter, Complete & robust node.js SDK for Bybit's REST APIs and WebSockets v5, with TypeScript & integration tests.

The full stack toolkit to build onchain app UX.

A pure and powerful JavaScript Bitcoin Cash library.

Wallet address validator for Bitcoin and other Altcoins.

React primitives for Bitcoin apps.

TypeScript SDK for LNMarkets API v2

coloredcoinsd api wraper

Transaction and message parsers for Phantom Wallet SDK

Tradingview instant stocks API, indicator alerts, trading bot, and more !

BitHive Relayer API

btc-e.com API client for node.js

A TypeScript library for Bitcoin transaction management, based on Bitcoin Descriptors for defining inputs and outputs. It facilitates optimal UTXO selection and transaction size calculation.

Library exposing methods for the creation and consumption of Bitcoin transactions pertaining to Babylon's Bitcoin Staking protocol.

Multicoin address validator for Bitcoin and other altcoins.

A client for regtest bitcoin usage. Requires regtest-server from bitcoinjs github.

bitcoincharts.com API client for node.js

Audited & minimal library for Bitcoin. Handle transactions, Schnorr, Taproot, UTXO & PSBT

simple currency conversion cli

<h1 align="center">bitso-bert-api</h1>

JavaScript component for crypto currency specific information.

A bitcoin block explorer and API.

Simple API to stream Interledger payments between BTC, ETH, DAI and XRP

The full stack toolkit to build onchain app UX.

A Javascript API client for Independent Reserve's API.

Node reference library for Bitfinex API. Modified to make sequential requests to avoid nonce-errors.

A pure and powerful JavaScript Litecoin library.

Create and parse crypto currency addresses and wallet import formats.

A tiny Node.js wrapper for the BitPay Rates API

Library for interacting with Biscoint API

Lightning Accounts Server

Lightspark JS SDK

Read-only API client for coinspot.com.au

JavaScript component for private keys, public keys, and addresess for crypto currencies such as Bitcoin, Litecoin, and Dogecoin

Get the current Bitcoin value

A BIP68 relative lock-time encoding library.

Handle private key and public keys associated with elliptic curve cryptography. Used with crypto currencies such as Bitcoin, Litecoin, Dogecoin, etc. Works in both Node.js and the browser.

Kraken API client for REST and WebSocket API

The full stack toolkit to build onchain app UX.

The full stack toolkit to build onchain app UX.

Complete & robust node.js client for Bybit's REST APIs and WebSockets, with TypeScript & integration tests.

cryptsy.com API client for node.js

Node.js/typescript connector for FTX's REST APIs and WebSockets

Complete & robust Node.js SDK for OKX's REST APIs and WebSockets, with TypeScript & end-to-end tests.

Defines the chain codes used for different unspent types and methods to calculate bitcoin transaction sizes

Node JS Module interface with the Mining Rig Rentals API V2 easily

Electrum protocol client for Node.js

The full stack toolkit to build onchain app UX.

A transaction input selection module for bitcoin.

TypeScript types for AIBTC

nodejs interface for QuadrigaCX bitcoin exchange

Simple TypeScript Bitso API Wrapper for Public and Private end points. [](https://github.com/amircp/bitso-ts/blob/master/LICENSE) ## Installation

Simple API to stream Interledger payments between BTC, ETH, DAI and XRP

Complete cgminer API implementation for Node.js with multi-version support, response validation, and integration tests

node.js module to access the blockchain websocket api

Format strings or numbers to currency strings.

Lightspark JS SDK

Client-side Bitcoin JavaScript library

TypeScript type definitions for BMAP API

Bitcoin BIP44 constants.

SLP & Bitcoin Cash cashaddr address format support for Node.js and web browsers.

Bitcoin Cash OP codes

A library for interacting with BitMEX's websocket API.

JavaScript full support of kraken API

A set of icons for all the main cryptocurrencies and altcoins, in a range of styles and sizes

Convert crypto to fiat and vice-versa instantly.

Bitcoin Cash and SLP general purpose address translation.

A component for shapeshift.io crypto currency API.

Simple library to access the Kraken Exchange API

Base 58 encoding / decoding

API library for BitEscrow.

encode/decode value as bitcoin OP_PUSHDATA integer

Utilities for building ordinals with BitGo utxo-lib

This library parses and creates Bitcoin Miniscript Descriptors and generates Partially Signed Bitcoin Transactions (PSBTs). It provides PSBT finalizers and signers for single-signature, BIP32 and Hardware Wallets.

A BIP65 absolute lock-time encoding library.

A modern Bitcoin Core REST and RPC client.

Blockchain.info payment api module

NodeJS Client Library for the BleuTrade Exchange (BleuTrade.com) API

Wallet address validator for BTC, TRX, ETH, USDT (ERC20, TRC20), HOGE, SFM, SMARS

A javascript wrapper for accessing amberdata's public API.

Node.js implementation of lnurl

The Hashgraph Online Standards SDK provides a complete implementation of the Hashgraph Consensus Standards (HCS), giving developers all the tools needed to build applications on Hedera.

NodeJS client for btcd WebSocket API

paxful API wrapper for NodeJS

Bitcoin Miniscript, a high-level language for describing Bitcoin spending conditions. It includes a Policy and Miniscript compiler, as well as a novel Satisfier for generating expressive witness scripts.

A module to check bitcoin policy: SCRIPT_VERIFY_MINIMALDATA

Backup Generator for BlockTrail's Developer Friendly API binding for NodeJS

BL3P API

NodeJS client library with Promises for the bitcoin.de Trading API v2

CoinMarketCap plugin for ElizaOS - Get real-time cryptocurrency prices

BIP39 Mnemonics implemented for Bitcore.

Tiny client library for Esplora-based Bitcoin APIs

Collection of helpful building blocks and tools to develop Bitcoin Lightning web apps

BittrexRx is a rxjs node wrapper for the Bittrex Api

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

kraken.com API client library for Node.js

Professional Bitcoin trading strategy backtesting framework with institutional-grade architecture

The official Node.js client for CEX.IO Prime Liquidity API

Node.js client for the btc-e API

Model Context Protocol server providing access to Tatum's comprehensive blockchain API across 130+ networks with 13 tools

Convert Satoshi <-> Bitcoin

SDK for signing Partially Signed Bitcoin Transactions (PSBTs) using Fireblocks

a simple cryptocompare api

Client for bitcore-wallet-service

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

A service for Mutisig HD Bitcoin Wallets

Easily retreive information about transactions and addresses from any insight api explorer

Exodus Bitcoin BIP44 constants.

BlockBee's Library for NodeJS

BTC-E Trading API

A tiny zero-dependency library to format coins, primarily for crypto, with broader applications as well.

BIP38 is a standard process to encrypt Bitcoin and crypto currency private keys that is impervious to brute force attacks thus protecting the user.

A pure and powerful JavaScript Bitcoin SV (BSV) library.

Embed apps within Sphinx

OP_NET AssemblyScript transform

Manage ordinals, inscriptions and runes using scure-btc-signer

NodeJS Client Library for the Localbitcoins API

Revolutionary n8n node that replaces entire workflow chains. Consolidate 10-15 nodes into one with 55+ JavaScript libraries including comprehensive crypto & blockchain support, full workflow context access, and zero external dependencies. The node that ta

An application programming interface (API) to interact with D-Gate payment contract on Binance Smart Chain using Ethers.js

Cryptocurrency CLI lets you monitor cryptocurrencies in your portfolio and track your earnings through the command line. It uses the coinmarketcap.com API to fetch crypto data.

Bitcoin BIP32 hierarchical deterministic keys

The full stack toolkit to build onchain app UX.

The @airgap/coinlib-core is a protocol agnostic library to prepare, sign and broadcast cryptocurrency transactions.

Easily connect with the IDEX Datastream API

Communicate with bitcoind via JSON-RPC

Command-line utility for BitGo UTXO transactions

Browser-friendly ripemd160 hasher

A BIP68 relative lock-time encoding library.

NodeJS wrapper over the API of OKCoin, Chinese Bitcoin exchange

Embed apps within Sphinx

Utilities for building ordinals with BitGo utxo-lib

A BIP21 compatible URL encoding utility library

Type definitions for WebLN

A tiny Node.js wrapper for the Blockchain Exchange Rates API

A JS implementation of the Auth47 protocol

Interaction helper for your Lightning Network daemon

The full stack toolkit to build onchain app UX.

Fast Wallet address validator for Bitcoin and other Altcoins.

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

Bitcoin Smart Contract Runtime

Simple module to query the CoinDesk Bitcoin Price Index API

A library for interfacing with ckBTC.

Stampery API for NodeJS: seamlessly integrate the blockchain-powered, industrial-scale certification platform into your NodeJS apps.

NPM Package for LNBits.com API.

A blockchain indexing node with extended capabilities using bitcore

Bitcoin Core API client for Node.js

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

The definitive collection of badges for rendering

Common library for OP_NET.

An MCP-compatible service that provides real-time asset prices including precious metals, cryptocurrencies, and more

More than your typical logger. Why not bring style to your logs? The OPNet Logger library allows you to create and style logs for your OPNet applications. Written in TypeScript!

An extended wrapper of the FTX API package

JavaScript component for crypto currency specific information.

eCash cashaddr address format support for Node.js and web browsers.

The @reown/appkit-experimental package provides a set of cutting-edge, experimental features for Web3 developers. This package serves as a testing ground for innovative concepts and implementations that are not yet widely adopted or standardized in the bl

nodejs API for Etherium Blockchain

A BIP21 compatible URL encoding utility library

A collections of nodes to interact with the CryptoCompare API services.

A wrapper over bitstamps api

Client-side Bitcoin JavaScript library

Coingate package

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

The @airgap/serializer provides serializers used in AirGap applications.

cryptopay.me API client for node.js

The Kraken Exchange API for Node.js

A test suite and interface you can use to implement standard Bitcoin blockchain API calls for various backends and platforms.

An Insight API Client

coinspot.com.au API client for node.js

poloniex.com API client library for Node.js

Reown AppKit CLI

A basic library for working with Tapscript, signatures and Bitcoin transactions.

[](https://www.npmjs.com/package/bitcoin-conversion)

LocalBitcoins API wrapper for NodeJS

A modern suite of cryptography tools, built for the plebian developer.

Client-side Bitcoin JavaScript library

BTC-E API Wrapper

Zaif API wrapper for Node.js

Reown AppKit Codemod

Bitcoin wallet SDK with Taproot and Ark integration

A set of utilities for working with BIP32.

Web components to connect to a lightning wallet and power a website with WebLN

The perfect library for building Bitcoin-based applications.

The full stack toolkit to build onchain app UX.

An open-source frontend for the Insight API. The Insight API provides you with a convenient, powerful and simple way to query and broadcast data on the bitcoin network and build your own services with it.

nodejs API for omnichest

A pure and powerful JavaScript Bitcoin library.

coinflux.com API client library for NodeJS

Tradingview instant stocks API, indicator alerts, trading bot, and more !

Javascript library for Bitcoin SV (BSV).

The parsing engine that detects Inscriptions, SRC-20 Stamps, CAT-21 Ordinals, and Runes in Bitcoin transactions.

OPNet transaction library allows you to create and sign transactions for the OPNet network.

A pure and powerful JavaScript Dogecoin library.

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

An open-source frontend for the Insight API. The Insight API provides you with a convenient, powerful and simple way to query and broadcast data on the bitcoin network and build your own services with it.

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

nodejs API for Coindaddy Reputation service

A JavaScript library for cryptocurrency trading.

An API wrapper for Binance. Build your application faster !

The one and only fully typed Bitcoin RPC client for Node.js

Fork of CCXT with custom bundle for TraderDash

BIP84 - Derives segwit + bech32 addresses from seed, zprv/zpub and vprv/vpub in javascript

An easy api let developer get exchanges current bitcoin price.

A collection of Bitcoin SV (BSV) tools for the Model Context Protocol (MCP) framework

Crypto wallet address validator for Bitcoin and other Altcoins.

An open-source frontend for the Insight API. The Insight API provides you with a convenient, powerful and simple way to query and broadcast data on the bitcoin network and build your own services with it.

TonicPow API Library in JS - https://docs.tonicpow.com

SDK for Omni bridge transfers

A simple wrapper for the BitX API.

Client-side Bitcoin JavaScript library

Crypto API SDK for JavaScript.

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