> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://natural.ferndocs.com/guides/products/bill/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://natural.ferndocs.com/_mcp/server. # Bill (coming soon) > **Note** > > Bill is coming soon. Natural Bill enables agents to invoice and charge customers based on configurable criteria — outcomes achieved, tokens consumed, success metrics, or any custom billing logic the developer defines. ## Use cases * **Usage-based billing** — Agents charge per API call, token, or compute unit * **Outcome-based pricing** — Agents bill only when a defined success condition is met * **Subscription management** — Agents handle recurring billing and plan changes * **Milestone billing** — Agents invoice at project checkpoints > Bill customers based on outcomes, success, tokens, or other criteria