Billr docs
Everything you need to connect an agent to Billr, from your first API key to running month-end invoicing on autopilot. Start with Get started if you're new, or jump straight to a guide below.
Connect your agent
Point Claude Code, claude.ai, or any MCP-enabled agent at Billr.
Read guideAPI keys
Create and manage keys for agents that talk to Billr directly.
Read guideRecipes
Ready-to-run prompts and scripts for common billing workflows.
Read guideSelf-hosting FAQ
Answers on running the Billr agent toolkit yourself.
Read guide