SDK overview
Ax402 SDKs talk to the control plane (APIs, endpoints, domains, keys, stats) and include buyer helpers to pay gateway URLs. They ship from the ax402-sdk repository.
Language guides
TypeScript
@axlabs/ax402-sdk — dashboard parity + buyer module.
Go
Control-plane client and buyer helpers for CI/CD.
Python
Pydantic models, sync/async clients, optional buyer extra.
Paying gateway URLs
Buyer entry points are documented in Buyer clients. Use the same AX402_EVM_PRIVATE_KEY as the CLI and MCP pay_url tools.