Build Your Human Design Business
Create apps, generate charts, and offer Human Design readings with our simple API. No technical background needed.
// Get a Human Design chart
const chart = await fetch(
"https://api.totalhumandesign.com/api/chart",
{
method: "POST",
body: JSON.stringify({
birthDate: "1990-05-15",
birthTime: "14:30",
birthLocation: "New York, NY"
})
}
);
// Returns: Generator, Sacral Authority, 4/6 Profile...Interactive Demo
Enter any birth data to see the real API response. Toggle between endpoints to compare.
Limited to 10 requests per hour. No signup required.
Click "Run Demo" to see the real API response
This is exactly what you get with your API key
What Will You Create?
Developers and HD practitioners use our API to build apps, tools, and services that help people understand their design.
Mobile Apps
Build Human Design apps for iOS and Android
AI Assistants
Power AI chatbots with accurate HD knowledge
Transit Tools
Create transit calendars and timing tools
Relationship Apps
Build composite chart and compatibility tools
Educational Platforms
Create learning experiences for HD students
Business Tools
Integrate HD into coaching and consulting
Developer APIs for Chart & SAGE
Simple request-based pricing. No API credits. Choose Chart only, SAGE only, or the full Developer Suite.
Other APIs add Human Design as a premium endpoint. Here, Human Design is the foundation.
Every key includes 100 Chart requests and 25 SAGE responses, free, every month, no card.
Free | Chart | SAGE | MOST POPULAR Advanced | Pro | Enterprise | |
|---|---|---|---|---|---|---|
| Price | Free No card | $17/mo billed annually · $199/yr | $25/mo billed annually · $299/yr | $33/mo billed annually · $399/yr | $75/mo billed annually · $899/yr | Custom Talk to us |
| Chart requests / mo | 100 | 20,000 | — | 40,000 | 100,000 | Unlimited |
| SAGE responses / mo | 25 ≈ 8 visitor chats | — | 3,000 ≈ 1,000 visitor chats | 4,000 ≈ 1,333 visitor chats | 10,000 ≈ 3,333 visitor chats | Unlimited Unlimited |
| MCP scope | — | — | SAGE only | Chart + SAGE | Chart + SAGE | Custom |
| Rate limit | 10 / min | 60 / min | 100 / min | 120 / min | 300 / min | Custom SLA |
| Cap behavior | Stops at limit | Stops at limit | Stops at limit | Pauses, top-ups | Pauses, top-ups | By contract |
| Start free | Get key | Get key | Get key | Get key | Contact sales |
Free
TestNo card
Chart
Chart onlybilled annually · $199/yr
SAGE
SAGE onlybilled annually · $299/yr
Advanced
Chart + SAGEbilled annually · $399/yr
Pro
Chart + SAGEbilled annually · $899/yr
Enterprise
CustomTalk to us
Need more? Subscribe to the same product again, up to 3 per product. Limits add up.
How usage works
Chart requests are fast, deterministic API calls. Each chart, astrology, composite, or transit call counts as 1 Chart request.
SAGE responses are AI-powered answers from the Human Design knowledge base. Each query counts as 1 SAGE response.
Most visitor chats use about 3 SAGE responses — so 3,000 responses ≈ 1,000 visitor chats / month.
All plans via studio.totalhumandesign.com • Manage subscriptions anytime
Frequently Asked
Everything you need to know about the Human Design API.
Have a question not answered here? Contact our API team
Ready to Build?
Join developers and HD practitioners building the next generation of Human Design tools. Get started in minutes.