Billr docs
Everything you need to connect an agent to Billr, from your first API key to running a month-end invoice draft, quoting work, and collecting payment. 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, and see all 33 tools.
Read guideAPI keys
Create and manage keys for agents that talk to Billr directly.
Read guideEstimates and items
Quote work, convert an accepted quote, and bill from a saved rate by name.
Read guideGetting paid
Connect Stripe, test your checkout, and let agents check payment status.
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