> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.milliseconds.ai/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.milliseconds.ai/_mcp/server.

Every plan, Free included, keeps 125 million test tokens each month. Test keys spend them.

The Free plan cannot buy credits. On Free, the console billing page shows **Upgrade to Starter** and links to the plan page. Upgrade to Starter to buy production tokens. See [Pricing](/reference/pricing).