Is the Free CAGR (Compound Annual Growth Rate) API free to use in production apps?

Yes! All FinCalculator REST APIs are completely free, zero-auth, open-CORS, and edge-cached for high performance across global web and mobile applications.

What is the rate limit for /api/v1/cagr?

Endpoints are cached at the edge for 24 hours. There are no restrictive rate limits for standard web traffic and mobile applications.

Investment APIWeb Calculator UI

Free CAGR (Compound Annual Growth Rate) API (2026)

API to calculate annualized return percentage given beginning value, ending value, and tenure in years.

Interactive API Playground & Live Test

GET/api/v1/cagr

Zero Auth • Open CORS

Query Parameters

startValuenumber • required

Initial investment value in ₹

endValuenumber • required

Final maturity/current value in ₹

yearsnumber • required

Holding period in years

curl -X GET "https://fincalculator.in/api/v1/cagr?startValue=100000&endValue=300000&years=5" \
  -H "Accept: application/json"

Live JSON Response (HTTP 200 OK)

Click "Execute Live API Request" below...

Request Parameters Schema

Parameter	Type	Required	Description / Notes
startValue	number	Required	Initial investment value in ₹
endValue	number	Required	Final maturity/current value in ₹
years	number	Required	Holding period in years

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