bankofai-x402 0.5.3

x402 Payment Protocol SDK for Python

x402

Python SDK for the x402 payment protocol — supports TRON and EVM (BSC) networks.

Installation

pip install bankofai-x402

Optional extras:

pip install "bankofai-x402[tron]"
pip install "bankofai-x402[fastapi]"
pip install "bankofai-x402[flask]"
pip install "bankofai-x402[all]"

Quick Start

from bankofai.x402.clients import X402Client

client = X402Client()

If you want automatic handling of HTTP 402 responses, use X402HttpClient:

import httpx

from bankofai.x402.clients import X402Client, X402HttpClient

x402_client = X402Client()
http_client = httpx.AsyncClient()
client = X402HttpClient(http_client=http_client, x402_client=x402_client)

Supported Schemes

• exact_permit: Standard x402 payment scheme using TIP-712/EIP-712 permits.
• exact_gasfree: (TRON) Pay with USDT/USDD without TRX gas using the GasFree protocol.
• exact: (EVM) Native direct payment using ERC-3009.

Links

• Repository: https://github.com/BofAI/x402
• Issues: https://github.com/BofAI/x402/issues
• Documentation: https://docs.bankofai.io/
• Contributing: CONTRIBUTING.md