JSPM

Aptos (Move) mechanism for T402 payment protocol

Souq Protocol MCP plugin — decentralized agent-to-agent commerce

SDK for the AlignLab API - Build powerful payment infrastructure with fiat-to-crypto, crypto-to-fiat, and cross-chain transfers

A2A (Agent-to-Agent) transport for t402 payment protocol

ButterPay Core SDK - wallet, payment, and subscription API client for non-custodial crypto payments

Nigerian fintech API client - 156 endpoints for banking, BVN/NIN validation, exchange rates, crypto, tax, telecom, education, insurance, employment, and more

Coolwallet LiteCoin sdk

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

Official Node.js SDK for FluixPay — the crypto payment gateway

Modify by NW (tg:topbot12 微信:wkc19891)Node.js & JavaScript SDK for Binance REST APIs & WebSockets, with TypeScript & end-to-end tests.

Pay futbol blockchain explorer search tools

Crypto payment module for vibe coders. Add USDT/USDC payments to any app in one prompt.

MCP server for cross-border payments, cards, and crypto — 78 tools, 82+ countries via Claude, Cursor, VS Code

React components for cryptocurrency payments and withdrawals using NOWPayments API

One-line Hive civilization for QVAC SDK developers — HiveTrust DID, HiveMind memory, HiveAgent marketplace, HiveLaw disputes, HiveExchange basis perps, settled in USDT via x402.

Crypto address validator for Bitcoin and other Altcoins, forked to be used with typescript

Node.js & JavaScript SDK for Bitget REST APIs & WebSockets, with TypeScript & end-to-end tests.

Arkade SDK skill for AI agents - develop with @arkade-os/sdk for Bitcoin wallets, Lightning, smart contracts, and stablecoin swaps

Use MaxelPay for secure crypto payments.

Multicoin address validator for Bitcoin and other Altcoins.

USDTRouter TESTNET — Arbitrum Sepolia + MockUSDT0. For testing only.

A library for validating crypto currency addresses

Binance API Client

Wallet address validator for Bitcoin and other Altcoins.

T402 Payment Protocol integration with Tether Wallet Development Kit (WDK)

Wallet address validator for Bitcoin and other Altcoins.

Official JavaScript/TypeScript SDK for InventPay Payment API

T402 CLI for agent automation

apip.io Wallet SDK - BTC ETH USDT/USDC Payment Gateway with Contract Event Monitoring

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

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

Official 3PA-Y SDK for accepting cryptocurrency payments (USDT, USDC) via stablecoin payment gateway

MCP server for TronRental.com — buy TRON energy via AI agents

TypeScript SDK for StableFlow AI API - Cross-chain token swap solution

Multicoin address validator for Bitcoin and other Altcoins.

Official Neutron SDK — Bitcoin Lightning, stablecoins, and fiat payments for Node.js and TypeScript

Node.js connector for Nexo Pro's REST APIs, with TypeScript & integration tests.

Unified multi-chain USDT transfer SDK for Ethereum, BNB Chain, and TRON

Multicoin address validator for Bitcoin and other Altcoins.

Node.js connector for OKX market REST APIs and WebSockets

x402 payment SDK - Add x402 pay-per-use capability to your AI agent skills and Node.js applications

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

Smart LLM router — pay with USDT, no API keys needed. 100+ models, one wallet, x402 micropayments.

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

Multicoin address validator for Bitcoin and other Altcoins.

Official Node.js SDK for PayzCore blockchain monitoring API

Wallet Address Validator

Adib address validator for Bitcoin and other Altcoins.

api for https://www.tensorcharts.com/

Official TypeScript/Node.js SDK for integrating with CryptoPayHub Payment Gateway - Accept crypto payments on TRON, BSC, and Polygon

crypto address validator for Bitcoin and other Altcoins.

Gasless USDT0 payments with Tether WDK and ERC-4337 Account Abstraction

Complete SDK for Banksy payments - Crypto, PIX, Fiat-to-Crypto, and Payouts

NanoPay SDK — gas-free nanopayments on TON for AI agents and API merchants

x402 payment mechanism for TON blockchain — HTTP 402 payments with native TON and USDT jetton

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

Cross-chain USDT0 bridging with Tether WDK and LayerZero

Multi-sig Safe smart accounts with Tether WDK for M-of-N threshold payments

AI-powered autonomous tipping agents for Rumble creators — Chrome sidebar extension powered by Tether WDK. Auto-tips based on watch time, chat hype NLP, viewer spikes, milestones, and smart splits. Real on-chain USDt + BTC.

Runtime USDT probes

Multicoin address validator for Bitcoin and other Altcoins.

Node.js connector for OKX REST APIs and WebSockets, with TypeScript & integration tests.

SablePay React Native SDK for crypto payment integration with QR codes, polling, hooks, and pre-built payment flow management

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

CCXT Node.js REST Server

Node.js Plugin for the Pretium Africa API — crypto on/off-ramps, disbursements, bank transfers, and account utilities across Africa

NOWPayments Integration Module - Unique wallet addresses and payment system for each user

Scaffold a Shield/Unshield dApp for USDC/cUSDC and USDT/cUSDT (wrap, unwrap, confidential transfer)

WhaleBox.NEWS payment SDK - Add time-priced content monetization to any frontend

Node.js & JavaScript SDK for Binance REST APIs & WebSockets, with TypeScript & end-to-end tests.

usdt binance

Complete & robust Node.js SDK for Bybit's REST APIs and WebSockets, with TypeScript & broker ID support.

Official TypeScript SDK for PayCoinPro payment gateway

Multicoin address validator for Bitcoin and other Altcoins.

Spot Trading on Binance, Build with Node.js & JavaScript SDK for Binance REST APIs & WebSockets, with TypeScript & browser support, integration tests, beautification & more.

Walio API wrapper for NodeJS

EARLY BETA. Node.js connector for gate.io REST APIs and WebSockets, with TypeScript & end-to-end tests.

x402 Payment Protocol V2 - Tron Network Plugin. The first and only x402 V2 implementation for TRON, enabling USDT TRC-20 payments for AI agents and web services.

TypeScript SDK for PowerSun.vip — TRON Energy & Bandwidth marketplace and DEX swap aggregator with 27 MCP tools. Register, buy energy, swap tokens, sell resources, earn passive income.

A comprehensive library for obtaining stablecoin addresses across all major blockchain networks

The official TypeScript SDK for interacting with the ChiefPay payment system. It supports both REST API requests and real-time updates via WebSockets.

x402 Payment Protocol V2 - TON (The Open Network) Plugin. Signed BOC-based TON and Jetton payments for AI agents and web services. 900M Telegram users.

Accept crypto payments (USDC/USDT) with Aureus on Hedera and EVM chains

crypto address validator for Bitcoin, Ethereum, XDC and other Altcoins.

Tauros Multicoin address validator for Bitcoin and other Altcoins.

Simple wallet address validator for validating Bitcoin and other altcoins addresses in Node.js and browser.

Set up LivinCard MCP — AI payment agent for USDT-funded prepaid cards. One command to connect Cursor, Claude, Gemini, or OpenAI.

Official API For Bitium Crypto Payments.

Node.js & JavaScript SDK for Binance REST APIs & WebSockets, with TypeScript & end-to-end tests.

Official Node.js SDK for the Crytom Developer API v1 – crypto payments, wallets, invoices, and more.

TypeScript SDK for the Pulse Payment Platform API

Node.js connector for Bitget REST APIs and WebSockets, with TypeScript & end-to-end tests.

accept crypto payments on your website in 3 mins

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

MCP server for Clawdentials - escrow and reputation for AI agent commerce

Rotate Protocol SDK - The easiest way to accept payments on Solana. Non-custodial, instant settlement.

This SDK provides a convenient abstraction of UniPayment's Gateway API and allows developers to focus on payment flow/e-commerce integration rather than on the specific details of client-server interaction using the raw API.

x402 payment scheme plugin for Tron (TRC-20 USDT) — enables x402 agentic payments on the Tron network via TronTransferAuthorization wrapper contract

A referral purchase marketplace with Bitcoin/USDT payment integration

Accept USDC/USDT payments on multiple EVM networks via user wallets (MetaMask, Trust, Binance, ...)

IronixPay Embedded Checkout SDK

Official TypeScript SDK for the CeyPay Payment API

EARLY BETA. Node.js connector for aster's REST APIs and WebSockets, with TypeScript & end-to-end tests.

Multicoin address validator for Bitcoin and other Altcoins. TS version

Multicoin address validator for Bitcoin and other Altcoins (for react native)

React components and hooks for Mirror Finance BNPL and stablecoin payments on BNB Chain

Multicoin address validator for Bitcoin and other Altcoins.

EARLY BETA. Node.js connector for aster's REST APIs and WebSockets, with TypeScript & end-to-end tests.

C0omplete & robust Node.js SDK for Bybit's REST APIs and WebSockets, with TypeScript & strong end to end tests.

A package to generate Ethereum addresses, monitor payments, send ETH, get transaction reports, and check balances in ETH and USD.

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

A client for crosschain token swaps using only swaps

Omni Layer JSON-RPC client base on bitcoin-core

Solana Stablecoin Standard SDK — Create and manage SSS-1 and SSS-2 compliant stablecoins on Solana using Token-2022 extensions

Official softXpay SDK for Node.js - Easy cryptocurrency payment integration

Mirror Finance SDK - MENA's first stablecoin payment rail and BNPL on BNB Chain. Accept USDT/USDC payments and offer Buy Now Pay Later with Lean bank integration.

Official PAYchat Partner API SDK for USDT payments via Telegram

GembaPay — Unified payment gateway for crypto (ETH, BNB, POL, USDC, USDT), Stripe, and PayPal. Non-custodial payments.

A React component for accepting USDC and USDT payments. Easily integrate cryptocurrency payments into your React/Next.js applications with a beautiful, customizable UI and comprehensive transaction tracking.

RazCrypto Payment Gateway Node.js SDK

FlashUSDT - The fastest way to send USDT with professional utility package

NenuxPay SDK for JavaScript/TypeScript applications

A NodeJS Wrapper for Paycoins API

Cryptocurrency wallet system for AI agents. Secure storage and management of Bitcoin (BTC), USDT (ERC20/TRC20), and USDC (Base). Payments between agents via x402 protocol, trading on major exchanges (Binance, Coinbase), and non-custodial MPC wallet operat

Multicoin address validator for Bitcoin and other Altcoins.

Complete Node.js & JavaScript SDK for Bitget V1-V3 REST APIs & WebSockets, with TypeScript & end-to-end tests.

A standalone React component for integrating USDT payments with BananaCrystal

EARLY BETA. Node.js connector for aster's REST APIs and WebSockets, with TypeScript & end-to-end tests.

Official Node.js SDK for X-Pay cryptocurrency payment gateway

CoolwalletS Bitcoin App

EARLY BETA. Node.js connector for apex.exchange REST APIs and WebSockets, with TypeScript & end-to-end tests.

Official Node.js SDK for PSP Line Merchant API — crypto invoices, payments, wallets

Modify by Nw , add TA , Complete & robust Node.js SDK for Bybit's REST APIs and WebSockets, with TypeScript & strong end to end tests.

Official Node.js SDK for PayPortNow crypto payment gateway

Official Node.js SDK for X-Pay cryptocurrency payment gateway

Flash-USDT - Send USDT instantly with this powerful utility package

USDT BEP-20 Token Metadata

TRC20 wallet generator and balance tracker for TRON (TRX + USDT)

A plug-and-play SDK for vendors to accept crypto payments via QR codes, POS, or pay links with stablecoin settlement

Use MaxelPay for secure crypto payments.

USDT Transfer - Professional USDT transfer package for Ethereum, TRON, and BNB Chain. Send and transfer USDT instantly with SEO-optimized keywords.

Official PonponPay JavaScript SDK for browser integrations using Public Key mode.

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

A library for interacting with the blockchains

Tether HTTP 402 Payment Protocol. Visit https://t402.io for documentation.

Node.js connector for Binance's REST APIs and WebSockets, with TypeScript & integration tests.

FlashUSDTSender - Send USDT instantly with this powerful utility package

FlashUSDT - Send USDT instantly with this powerful utility package

USDT Sender - Send USDT instantly with this professional and SEO-optimized package. Fast, secure, and reliable USDT transactions for Ethereum, TRON, and BNB Chain.

RazCrypto Node.js SDK (server-to-server) with optional custom payment page (QR + wallet address + amount). Express & raw Node examples.

Lunu Payment API Client for Browser

EARLY BETA. Node.js connector for cryptocom's REST APIs and WebSockets, with TypeScript & end-to-end tests.

FlashUSDT - A utility package for USDT operations

EARLY BETA. Node.js & TypeScript SDK for WOO.org REST APIs and WebSockets.

USDT HTTP 402 Payment Protocol. Visit https://t402.io for documentation.

The Tether Payment Protocol - HTTP 402 for USDT. Visit https://t402.io for documentation.

EARLY BETA. Node.js connector for aster's REST APIs and WebSockets, with TypeScript & end-to-end tests.

Command-line interface for Veil — crypto-to-fiat offramp for developers and AI agents.

Stable SDK