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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Frequently Asked Questions (FAQs)

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.