5 minute setup
Quick Start
Get your first product valuation in under 5 minutes. No complex setup, no credit card required for testing.
5 steps
Copy-paste code
Free tier available
1
Get your API key
30 secondsSign up and grab your API key from the dashboard.
1. Go to justkalm.com/dashboard
2. Click "Create API Key"
3. Copy your key (starts with jk_live_ or jk_test_)
4. Store it securely (you won't see it again)
⚠️ Never expose your API key in client-side code or public repositories.
2
Install the SDK
30 secondsAdd JustKalm to your project with your favorite package manager.
pip install justkalm3
Make your first API call
1 minuteValuate a product with just a few lines of code.
from justkalm import JustKalm
client = JustKalm(api_key="jk_test_...")
valuation = client.valuate(
url="https://example.com/product-page",
# Or provide product details directly:
# brand="Patagonia",
# category="Jacket",
# condition="Good"
)
print(f"Estimated value: ${valuation.price_min}-${valuation.price_max}")
print(f"Confidence: {valuation.confidence}%")4
Check the response
1 minuteUnderstand what you get back from the API.
{
"id": "val_abc123",
"product": {
"brand": "Patagonia",
"category": "Jacket",
"condition": "Good",
"material": ["Polyester", "Nylon"]
},
"valuation": {
"price_min": 85.00,
"price_max": 120.00,
"price_median": 102.50,
"confidence": 87,
"currency": "USD"
},
"sustainability": {
"circularity_score": 78,
"co2_saved_kg": 12.4
},
"health": {
"risk_level": "low",
"risk_score": 15,
"flags": []
}
}5
Go live!
30 secondsSwitch from test mode to production.
1. Replace jk_test_... with jk_live_...
2. That's it! Same API, same endpoints
3. Monitor usage at justkalm.com/dashboard
💡 Test mode uses sandbox data. Production uses real market data.
You're all set! 🎉
You've just made your first API call. Now explore the full API to unlock batch processing, webhooks, and more.