FinCalculator
Investment APIWeb Calculator UI

Free Systematic Withdrawal Plan (SWP) Calculator API (2026)

SWP API for wealth managers to simulate monthly cash withdrawals from a lump sum mutual fund investment.

Interactive API Playground & Live Test

GET/api/v1/swp

Query Parameters

Total initial corpus in ₹

Monthly payout in ₹

Annual % return

Duration in years

curl -X GET "https://fincalculator.in/api/v1/swp?initialCorpus=10000000&monthlyWithdrawal=60000&expectedReturn=10&years=20" \
  -H "Accept: application/json"
Live JSON Response (HTTP 200 OK)
Click "Execute Live API Request" below...

Request Parameters Schema

ParameterTypeRequiredDescription / Notes
initialCorpusnumberRequiredTotal initial corpus in ₹
monthlyWithdrawalnumberRequiredMonthly payout in ₹
expectedReturnnumberRequiredAnnual % return
yearsnumberRequiredDuration in years

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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/cagrFree CAGR (Compound Annual Growth Rate) API

Frequently Asked Questions (FAQs)

Is the Free Systematic Withdrawal Plan (SWP) 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/swp?
Endpoints are cached at the edge for 24 hours. There are no restrictive rate limits for standard web traffic and mobile applications.