examples/python/README.md

x402 Python Examples

Examples for the x402 Python SDK.

Quick Start

cd clients/httpx
cp .env-local .env
# Edit .env with your EVM_PRIVATE_KEY and/or SVM_PRIVATE_KEY
uv sync
uv run python main.py

V2 SDK (Recommended)

Clients

• clients/httpx/ - Async HTTP client with httpx
• clients/requests/ - Sync HTTP client with requests
• clients/custom/ - Manual payment handling
• clients/advanced/ - Hooks, selectors, and builder patterns

Servers

• servers/fastapi/ - FastAPI server with payment middleware
• servers/flask/ - Flask server with payment middleware
• servers/custom/ - Manual payment handling
• servers/advanced/ - Dynamic pricing, hooks, and more

Facilitator

• facilitator/ - Payment facilitator service

Legacy SDK

• legacy/ - V1 SDK examples (for backward compatibility)

Learn More

• Python SDK
• x402 Protocol