BillerAPI for agents

Review the public agent contract now. The setup prompt appears only after exact npm publication proof and live hosted-MCP deployment proof.

The coding-agent prompt is hidden until the required CLI commands have an exact npm publication receipt and the hosted MCP endpoint has live deployment proof.

1. 1Read the machine indexStart with llms.txt, then follow raw Markdown and OpenAPI links.
2. 2Use the CLI contractThe CLI guide publishes sandbox creation only after exact npm and hosted-MCP release proof.
3. 3Inspect the public catalogRead the getting-started flow while the executable demo remains withheld.