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Free National Pension System (NPS) Calculator API (2026)

API for National Pension System (NPS Tier 1) retirement accumulation and annuity pension payouts.

Interactive API Playground & Live Test

GET/api/v1/compounding

Query Parameters

Monthly deposit in ₹

Expected return % (default: 10)

Investment duration in years

curl -X GET "https://fincalculator.in/api/v1/compounding?contribution=10000&rate=10&years=25" \
  -H "Accept: application/json"
Live JSON Response (HTTP 200 OK)
Click "Execute Live API Request" below...

Request Parameters Schema

ParameterTypeRequiredDescription / Notes
contributionnumberRequiredMonthly deposit in ₹
ratenumberOptionalExpected return % (default: 10)
yearsnumberRequiredInvestment duration in years

Related Government Schemes APIs

GET /api/v1/ssyFree Sukanya Samriddhi Yojana (SSY) Calculator APIGET /api/v1/apyFree Atal Pension Yojana (APY) Calculator APIGET /api/v1/nscFree National Savings Certificate (NSC) Calculator APIGET /api/v1/compoundingFree Public Provident Fund (PPF) Calculator API

Frequently Asked Questions (FAQs)

Is the Free National Pension System (NPS) 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/compounding?
Endpoints are cached at the edge for 24 hours. There are no restrictive rate limits for standard web traffic and mobile applications.