Getting StartedInstallation

Installation

Install T402 packages for your preferred language.

TypeScript / JavaScript

npm / pnpm / yarn

# Core packages
pnpm add @t402/core @t402/evm
 
# All available packages
pnpm add @t402/core @t402/evm @t402/svm @t402/ton @t402/tron @t402/wdk @t402/wdk-gasless @t402/wdk-bridge @t402/mcp

Individual Packages

PackageDescriptionInstall
@t402/coreProtocol types, HTTP utilitiespnpm add @t402/core
@t402/evmEVM chains supportpnpm add @t402/evm
@t402/svmSolana supportpnpm add @t402/svm
@t402/tonTON supportpnpm add @t402/ton
@t402/tronTRON supportpnpm add @t402/tron
@t402/wdkTether WDK integrationpnpm add @t402/wdk
@t402/wdk-gaslessGasless paymentspnpm add @t402/wdk-gasless
@t402/wdk-bridgeCross-chain bridgepnpm add @t402/wdk-bridge
@t402/mcpMCP server for AIpnpm add @t402/mcp

HTTP Framework Integrations

# Express.js
pnpm add @t402/express
 
# Next.js
pnpm add @t402/next
 
# Hono
pnpm add @t402/hono

Client Wrappers

# Fetch wrapper
pnpm add @t402/fetch
 
# Axios interceptor
pnpm add @t402/axios

Python

# pip
pip install t402
 
# uv
uv add t402
 
# poetry
poetry add t402

The Python package includes:

  • Core protocol types
  • EVM, TON, and TRON mechanisms
  • Flask and FastAPI integrations

Go

# Set GOPRIVATE for private repo (if needed)
go env -w GOPRIVATE=github.com/t402-io/t402
 
# Install
go get github.com/t402-io/t402/go@latest

The Go module includes:

  • Core protocol types
  • EVM, TON, and TRON mechanisms
  • Gin middleware integration

MCP Server (AI Agents)

For AI agent integration with Claude Desktop:

# Install globally
npm install -g @t402/mcp
 
# Or run directly
npx @t402/mcp

See MCP Integration for configuration details.

Requirements

TypeScript

  • Node.js 18+ or Bun 1.0+
  • TypeScript 5.0+ (recommended)

Python

  • Python 3.9+
  • pip or uv package manager

Go

  • Go 1.21+
Quick StartCore Concepts