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Human Design API

Calculate complete
Human Design charts
with a single request

Swiss Ephemeris precision. Type, strategy, authority, profile, channels, gates, bodygraph SVG, composite charts, and transits. Pay once, use forever.

Get API KeyView Docs
Pricing
$50one-time

Pay once, access everything forever. No monthly fees. No request limits.

  • ✓Basic charts — type, strategy, profile, gates, channels, centers
  • ✓Advanced charts — authority, incarnation cross, variables, planetary activations
  • ✓Composite charts — relationship analysis
  • ✓Transit overlays
  • ✓Bodygraph SVG rendering
  • ✓Unlimited requests, forever
Get API Key →
Endpoints
POST
/v1/chart

Calculate basic chart — type, strategy, profile, gates, channels, centers, definition

POST
/v1/chart/advanced

Full chart with authority, incarnation cross, variables, planetary activations

POST
/v1/chart/composite

Composite chart for two people — relationship analysis

POST
/v1/chart/transit

Transit overlay — current planetary activations against natal chart

POST
/v1/chart/bodygraph

Generate bodygraph SVG — customizable size and dark/light theme

Quick Start
curl
curl -X POST https://api.hd.commmonn.com/v1/chart \
  -H "Content-Type: application/json" \
  -H "HD-Api-Key: your_api_key" \
  -d '{
    "birthdate": "1990-06-15",
    "birthtime": "14:30",
    "location": "Amsterdam, Netherlands"
  }'
Features
◎

Swiss Ephemeris Precision

Professional-grade Swiss Ephemeris engine with ±0.001° accuracy — 100× more precise than free online tools.

⬡

Full Bodygraph SVG

Programmatic SVG bodygraph rendering with dark/light themes and custom dimensions. Embed in apps or print.

◇

Composites & Transits

Composite charts reveal relationship dynamics. Transit overlays track real-time planetary influences.

△

Geocoding Built-in

Pass a city name — coordinates and timezone are resolved automatically. No extra APIs needed.

Response Example
json
{
  "type": "Generator",
  "strategy": "To Respond",
  "authority": "Sacral",
  "profile": "3/5",
  "definition": "Single",
  "signature": "Satisfaction",
  "notSelfTheme": "Frustration",
  "incarnationCross": {
    "name": "Right Angle Cross of Planning",
    "geometry": "Right Angle",
    "quarter": "Civilization",
    "gates": [37, 40, 9, 16]
  },
  "definedCenters": ["Sacral", "Root", "Spleen"],
  "openCenters": ["Head", "Ajna", "Throat", "G", "Heart", "Solar Plexus"],
  "activeChannels": [
    { "gate1": 34, "gate2": 57, "name": "Power", "circuit": "Individual" }
  ],
  "activatedGates": { ... },
  "personality": { ... },
  "design": { ... }
}
Authentication

Include your API key in every request header:

HD-Api-Key: your_api_key

Ready to build?

$50 one-time. Get your API key and start integrating Human Design into your app today.

Get API Key →