Free Human Design API — No Credit Card Required
The Human Design API offers a generous free tier that lets you start building immediately. No credit card, no trial period, no strings attached.
What’s Included in the Free Tier
| Feature | Details |
|---|---|
| API Credits | 100 per month |
| Rate Limit | 5 requests per minute |
| Endpoints | Simple Bodygraph (/v1/simple-bodygraph) |
| Chart Data | Type, Strategy, Authority, Profile, Definition |
| Support | Community support |
| Cost | $0 forever |
What You Can Build with 100 Free Credits
Each API call to /v1/simple-bodygraph costs 0.5 credits, so you get 200 chart calculations per month on the free tier. That’s enough for:
- Personal projects: Build your own Human Design calculator
- Prototypes: Test your app idea before committing to a paid plan
- Small communities: Serve a small user base with basic chart readings
- Learning: Explore the API and understand Human Design data structures
Get Started in 5 Minutes
Step 1: Create Your Account (1 minute)
Visit humandesignhub.app and sign in with your Google account. That’s it — no forms, no email verification.
Step 2: Generate Your API Key (30 seconds)
Go to the Developer Dashboard and click “Create API Key”. Copy and save your key securely.
Step 3: Make Your First API Call (30 seconds)
curl -X POST https://api.humandesignhub.app/v1/simple-bodygraph \
-H "X-API-KEY: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"datetime": "1990-01-15T14:30:00+09:00"}'Step 4: Parse the Response
{
"type": "Generator",
"profile": "3/5",
"centers": ["Root", "Sacral", "G"],
"gates": ["2", "14", "20", "34"],
"channels_short": ["2-14", "34-20"]
}That’s it! You’re now using the Human Design API.
When to Upgrade
The free tier is great for getting started, but as your app grows, you’ll want more:
| Need | Upgrade To | Price |
|---|---|---|
| More chart calculations | Basic | $9.99/mo (10,000 credits) |
| Full bodygraph + composites | Standard | $29.99/mo (50,000 credits) |
| Transit windows + components | Enterprise | $99.99/mo (unlimited) |
All plans include the same reliable API infrastructure, high-precision chart calculations, and 15-language support.
Frequently Asked Questions
Is the free tier really free? Yes. You get 100 credits every month, forever.
What happens if I exceed my credits? API calls will return a 429 status code. Your credits reset at the beginning of each month.
Can I upgrade later? Absolutely. Upgrade anytime from the Developer Dashboard or Pricing page. Your API key stays the same.
What data does the free endpoint return?
The /v1/simple-bodygraph endpoint returns Type, Profile, active Centers, Gates, and short Channel pairs for a lightweight chart lookup.