Is the Free Public Provident Fund (PPF) Calculator 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/compounding?

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

Government Schemes APIWeb Calculator UI

Free Public Provident Fund (PPF) Calculator API (2026)

API for Public Provident Fund (PPF) calculations with annual compounding and EEE tax exemption status.

Interactive API Playground & Live Test

GET/api/v1/compounding

Zero Auth • Open CORS

Query Parameters

contributionnumber • required

Yearly deposit amount in ₹ (₹500 to ₹1.5L)

ratenumber • optional

Annual Govt interest rate % (default: 7.1)

yearsnumber • optional

Tenure in years (default: 15)

curl -X GET "https://fincalculator.in/api/v1/compounding?contribution=150000&rate=7.1&years=15" \
  -H "Accept: application/json"

Live JSON Response (HTTP 200 OK)

Click "Execute Live API Request" below...

Request Parameters Schema

Parameter	Type	Required	Description / Notes
contribution	number	Required	Yearly deposit amount in ₹ (₹500 to ₹1.5L)
rate	number	Optional	Annual Govt interest rate % (default: 7.1)
years	number	Optional	Tenure in years (default: 15)

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