Is the Free Inflation & Purchasing Power 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/inflation?

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 Inflation & Purchasing Power Calculator API (2026)

Bidirectional inflation API: compute what ₹100 today will be worth in future, or future goal cost today.

Interactive API Playground & Live Test

GET/api/v1/inflation

Zero Auth • Open CORS

Query Parameters

amountnumber • required

Base amount in ₹

inflationRatenumber • required

Annual inflation rate %

yearsnumber • required

Time horizon in years

curl -X GET "https://fincalculator.in/api/v1/inflation?amount=100000&inflationRate=6&years=10" \
  -H "Accept: application/json"

Live JSON Response (HTTP 200 OK)

Click "Execute Live API Request" below...

Request Parameters Schema

Parameter	Type	Required	Description / Notes
amount	number	Required	Base amount in ₹
inflationRate	number	Required	Annual inflation rate %
years	number	Required	Time horizon in years

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