FinCalculator
Investment APIWeb Calculator UI

Free Lumpsum Mutual Fund Investment API (2026)

API for calculating one-time lump sum compounding wealth growth.

Interactive API Playground & Live Test

GET/api/v1/compounding

Query Parameters

One-time investment in ₹

Annual expected return %

Duration in years

curl -X GET "https://fincalculator.in/api/v1/compounding?principal=100000&rate=12&years=10" \
  -H "Accept: application/json"
Live JSON Response (HTTP 200 OK)
Click "Execute Live API Request" below...

Request Parameters Schema

ParameterTypeRequiredDescription / Notes
principalnumberRequiredOne-time investment in ₹
ratenumberRequiredAnnual expected return %
yearsnumberRequiredDuration in years

Related Investment APIs

GET /api/v1/sipFree Mutual Fund SIP Calculator APIGET /api/v1/goal-sipFree Goal-Based Reverse SIP Calculator APIGET /api/v1/step-up-sipFree Step-Up SIP Calculator APIGET /api/v1/swpFree Systematic Withdrawal Plan (SWP) Calculator API

Frequently Asked Questions (FAQs)

Is the Free Lumpsum Mutual Fund Investment 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.