Is the Free TDS on Salary 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/tds?

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 TDS on Salary Calculator API (2026)

Payroll withholding tax API for HR tech platforms, salary slip generators, and Indian employee portals.

Interactive API Playground & Live Test

GET/api/v1/tds

Zero Auth • Open CORS

Query Parameters

ctcnumber • required

Annual CTC / Gross Salary in ₹

regimestring • optional

new | old (default: new)

hranumber • optional

Declared HRA exemption in ₹ (Old regime)

sec80cnumber • optional

Declared Sec 80C deductions in ₹

sec80dnumber • optional

Declared Sec 80D medical insurance in ₹

curl -X GET "https://fincalculator.in/api/v1/tds?ctc=1500000&regime=new&hra=120000&sec80c=150000&sec80d=25000" \
  -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 / Gross Salary in ₹
regime	string	Optional	new \| old (default: new)
hra	number	Optional	Declared HRA exemption in ₹ (Old regime)
sec80c	number	Optional	Declared Sec 80C deductions in ₹
sec80d	number	Optional	Declared Sec 80D medical insurance in ₹

Related Taxation & Salary APIs

GET /api/v1/income-taxFree Income Tax Calculator API India (FY 2026-27)GET /api/v1/ctcFree CTC to In-Hand Take-Home Salary Calculator API GET /api/v1/80c-plannerFree Section 80C Tax Saver & Allocation Planner API GET /api/v1/section-80dFree Section 80D Health Insurance Tax Calculator API