API

Technical documentation for developers integrating with the HumanDesign.ai API.

Connect to HumanDesign.ai MCPBefore you start HumanDesign.ai MCP gives compatible AI clients structured Human Design tools. This guide covers the calculation and reference catalog that uses an API…
Get Composite Relationship Chart: Compare Two PeopleEndpoint GET /hd-data-composite Description Generates a composite Human Design chart using two people's birth data, ideal for relationship or partnership analysis. Required Parameters api_key date…
Get Human Design Chart: Endpoint GuideEndpoint GET /hd-data Description Retrieves a basic Human Design chart based on a person’s birth data. Required Parameters api_key – Your API key date –…
HDAI API: Complete ReferenceHuman Design AI API — Complete Reference The HDAI API is a RESTful service built on ASP.NET Core that calculates Human Design bodygraph charts using…
How to Get a Human Design API KeyHow API Keys Are Created Your API key is created automatically after you purchase an eligible API membership on my.humandesign.ai. The purchase flow is powered…
Human Design API OverviewOverview The HumanDesign.ai API ships in three surfaces that share the same membership billing system: Legacy REST for direct endpoint integrations. Agent HTTP at https://api.humandesign.ai/agent/v1/tools/*…
HumanDesign.ai Agent HTTP API referenceOverview Agent HTTP exposes the same six calculation and reference operations as HTTP endpoints. Use it when your application wants named HTTP calls instead of…
HumanDesign.ai API access and quotaOne entitlement system across API surfaces REST, Agent HTTP, and the API-key MCP catalog use the same API entitlement and monthly calculation quota. A valid…
HumanDesign.ai MCP tools referenceHow tool access works Call tools/list after authenticating. The server returns only the tools your API key can use, including the allowed input options for…
Search City Locations: Timezone & Geo MatchingEndpoint GET /locations Description Searches for cities based on a query and returns IANA timezones and geographic data. Useful when users don’t know their exact…
Use HumanDesign.ai inside ClaudeYou can use HumanDesign.ai directly inside Claude. Once connected, Claude can generate and read Human Design charts in your conversations, using your HumanDesign.ai account. Connect…