API Documentation

Developer Portal

Build applications with the SimplyCPF API

Welcome to the SimplyCPF Developer Portal. This documentation provides everything you need to integrate CPF contribution calculations into your applications.

Getting Started

The CPF API provides programmatic access to Singapore CPF contribution calculations, age group rates, income ceiling data, and interest rate information.

Base URL

All API endpoints are available at:

https://simplycpf.com/api/cpf

Quick Example

Calculate CPF contributions for a monthly income:

curl -X POST https://simplycpf.com/api/cpf/calculate \
  -H "Content-Type: application/json" \
  -d '{"income": 5000}'

API Categories

  • Calculation - Calculate CPF contributions, batch processing, and multi-year projections
  • Age Groups - Retrieve contribution and distribution rates by age bracket
  • Income Ceiling - Get current and historical CPF income ceiling values
  • Interest Rates - Access CPF interest rates and SGS yield data
  • Investment - Compare investment scenarios with compound interest

Features

  • No Authentication Required - All endpoints are publicly accessible
  • JSON Responses - All endpoints return JSON data
  • Comprehensive Validation - Clear error messages for invalid requests
  • Up-to-date Data - Reflects the latest CPF rates and ceiling changes

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