Is the Free Car On-Road Price & 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/car-on-road-price?

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 Car On-Road Price & Loan EMI Calculator API (2026)

Automobile financing API computing total car on-road price and auto loan EMIs.

Interactive API Playground & Live Test

GET/api/v1/car-on-road-price

Zero Auth • Open CORS

Query Parameters

exShowroomPricenumber • required

Ex-showroom car price in ₹

rtoPercentnumber • optional

State RTO tax % (default: 10)

downPaymentnumber • optional

Down payment amount in ₹

curl -X GET "https://fincalculator.in/api/v1/car-on-road-price?exShowroomPrice=1200000&rtoPercent=10&downPayment=200000" \
  -H "Accept: application/json"

Live JSON Response (HTTP 200 OK)

Click "Execute Live API Request" below...

Request Parameters Schema

Parameter	Type	Required	Description / Notes
exShowroomPrice	number	Required	Ex-showroom car price in ₹
rtoPercent	number	Optional	State RTO tax % (default: 10)
downPayment	number	Optional	Down payment amount in ₹

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