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Free National Savings Certificate (NSC) Calculator API (2026)

National Savings Certificate API for 5-year fixed return post office small savings scheme.

Interactive API Playground & Live Test

GET/api/v1/nsc

Query Parameters

Deposit amount in ₹

Annual Govt interest rate % (default: 7.7)

Fixed tenure in years (default: 5)

curl -X GET "https://fincalculator.in/api/v1/nsc?principal=100000&rate=7.7&years=5" \
  -H "Accept: application/json"
Live JSON Response (HTTP 200 OK)
Click "Execute Live API Request" below...

Request Parameters Schema

ParameterTypeRequiredDescription / Notes
principalnumberRequiredDeposit amount in ₹
ratenumberOptionalAnnual Govt interest rate % (default: 7.7)
yearsnumberOptionalFixed tenure in years (default: 5)

Related Government Schemes APIs

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Frequently Asked Questions (FAQs)

Is the Free National Savings Certificate (NSC) 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/nsc?
Endpoints are cached at the edge for 24 hours. There are no restrictive rate limits for standard web traffic and mobile applications.