Free Tier

Free Human Design API — Get Started with 100 Free Credits

Everything you need to know about the free tier of the Human Design API — features, limits, and how to get started in under 5 minutes.

Published March 20, 2026

Free Human Design API Starter Credits

The Human Design API offers a generous free tier that lets you start building immediately with clear monthly credit limits and a direct developer dashboard flow.

What’s Included in the Free Tier

FeatureDetails
API Credits100 per month
Rate Limit5 requests per minute
EndpointsSimple Bodygraph (/v1/simple-bodygraph)
Chart DataType, Strategy, Authority, Profile, Definition
SupportCommunity 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:

NeedUpgrade ToPrice
More chart calculationsBasic$9.99/mo (10,000 credits)
Full bodygraph + compositesStandard$29.99/mo (50,000 credits)
Transit windows + componentsEnterprise$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.

Get your free API key now →

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