Is the Free In-Hand Salary & Paycheck 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/ctc?

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

Taxation & Salary APIWeb Calculator UI

Free In-Hand Salary & Paycheck Calculator API (2026)

Paycheck and in-hand salary calculation API.

Interactive API Playground & Live Test

GET/api/v1/ctc

Zero Auth • Open CORS

Query Parameters

ctcnumber • required

Annual CTC in ₹

curl -X GET "https://fincalculator.in/api/v1/ctc?ctc=1200000" \
  -H "Accept: application/json"

Live JSON Response (HTTP 200 OK)

Click "Execute Live API Request" below...

Request Parameters Schema

Parameter	Type	Required	Description / Notes
ctc	number	Required	Annual CTC in ₹

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