Loans & EMI APIWeb Calculator UI

Free Loan Prepayment Calculator API (2026)

API simulating loan prepayment schedules and interest savings.

Interactive API Playground & Live Test

GET/api/v1/loan-prepayment

Query Parameters

Loan principal in ₹

Interest rate %

Tenure in years

Prepayment amount in ₹

one-time | monthly | quarterly | yearly (default: one-time)

curl -X GET "https://fincalculator.in/api/v1/loan-prepayment?principal=5000000&rate=8.5&years=20&prepayAmount=500000&mode=one-time" \
  -H "Accept: application/json"
Live JSON Response (HTTP 200 OK)
Click "Execute Live API Request" below...

Request Parameters Schema

ParameterTypeRequiredDescription / Notes
principalnumberRequiredLoan principal in ₹
ratenumberRequiredInterest rate %
yearsnumberRequiredTenure in years
prepayAmountnumberRequiredPrepayment amount in ₹
modestringOptionalone-time | monthly | quarterly | yearly (default: one-time)

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