Is the Free Personal Loan EMI 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/emi?

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

Loans & EMI APIWeb Calculator UI

Free Personal Loan EMI Calculator API (2026)

API for calculating personal loan monthly EMIs.

Interactive API Playground & Live Test

GET/api/v1/emi

Zero Auth • Open CORS

Query Parameters

principalnumber • required

Personal loan principal in ₹

interestnumber • required

Annual interest rate %

yearsnumber • required

Tenure in years

curl -X GET "https://fincalculator.in/api/v1/emi?principal=500000&interest=11.5&years=3" \
  -H "Accept: application/json"

Live JSON Response (HTTP 200 OK)

Click "Execute Live API Request" below...

Request Parameters Schema

Parameter	Type	Required	Description / Notes
principal	number	Required	Personal loan principal in ₹
interest	number	Required	Annual interest rate %
years	number	Required	Tenure in years

Related Loans & EMI APIs

GET /api/v1/emiFree Home Loan & Personal Loan EMI Calculator API GET /api/v1/home-loan-balance-transferFree Home Loan Balance Transfer Calculator API GET /api/v1/loan-part-paymentFree Home Loan Part Payment Options Calculator API GET /api/v1/loan-prepaymentFree Loan Prepayment Calculator API