sohopay package on PyPI, and there is no Python client that creates agents or submits orders.
Python services that accept payments call the facilitator over HTTP. See Merchant integration and the API reference.
Python hosts that pay still need an Ed25519 voucher signature that matches the backend byte for byte. Use @sohopay/agent-signer from a small Node helper, or follow that package’s signing rules. Do not reconstruct the voucher from an older prose recipe.
Next steps
Agent signer
The signing implementation that exists.
Merchant integration
The HTTP calls a Python server makes.