$0forever
Let an agent test the connection and four core tools.
100 calls/month
4 core tools
Start freePricing
Start free. Keep the same key as your agent scales.
Free includes 100 monthly calls and the four core MCP tools. Monthly API units are shared across successful MCP tool calls, Agent HTTP calls, and billed REST requests.
$25/month
Build with core bodygraph and reference tools.
10,000 calls/month
4 core tools
Choose Creator$50/month
Add full-detail bodygraphs and transit intelligence.
100,000 calls/month
5 tools, including get_transits
Choose Startup$200/month
Ship higher-volume products with celebrity search.
1,000,000 calls/month
All six tools
Choose BusinessHow usage works: successful tools/call requests consume one API unit. initialize, ping, and tools/list are non-consuming entitlement and discovery checks.
Need the full API catalog?
These plans also cover REST and Agent HTTP. Compare every available endpoint and plan entitlement at HumanDesignAPI.com.