# EPF Calculator API

> For the complete documentation index, see [llms.txt](/llms.txt).

India Employees Provident Fund maturity corpus, splitting the employer's 12% into EPF and the EPS pension slice, with year-end interest compounding.

Use this endpoint to add the tool to your app, site, workflow, or agent without rebuilding formulas, validation, examples, and docs.

- Slug: `epf-calculator`
- Category: `finance`
- Version: `2026-04-22`
- Credits per successful call: 2
- Starts on: free
- Max payload: 65536 bytes
- Privacy mode: `hash_only`
- Available on: free, starter, pro, business, scale
- Browser tool: https://miniwebtool.com/epf-calculator/

## Endpoint

`POST https://api.miniwebtool.com/v1/tools/epf-calculator/run`

## Request body

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `current_age` | `int` | no |  |
| `retirement_age` | `int` | no |  |
| `monthly_salary` | `float` | no |  |
| `current_balance` | `float` | no |  |
| `contribution_rate` | `float` | no | employee contribution as percent of wages |
| `annual_increment` | `float` | no |  |
| `interest_rate` | `float` | no |  |
| `eps_ceiling` | `bool` | no | apply the statutory 15,000 EPS wage ceiling |

## Example request

```json
{
  "current_age": 30,
  "retirement_age": 58,
  "monthly_salary": 50000,
  "contribution_rate": 12,
  "annual_increment": 5,
  "interest_rate": 8.25
}
```

## cURL

```bash
curl -X POST https://api.miniwebtool.com/v1/tools/epf-calculator/run \
  -H 'Authorization: Bearer mwt_live_YOUR_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"current_age":30,"retirement_age":58,"monthly_salary":50000,"contribution_rate":12,"annual_increment":5,"interest_rate":8.25}'
```

## Response envelope

```json
{
  "request_id": "01K...",
  "tool": "epf-calculator",
  "tool_version": "2026-04-22",
  "credits_used": 2,
  "result": {}
}
```

## Errors

Errors are RFC 7807 `application/problem+json`. Branch on `code`, not `title`.

## MCP

Agents can discover and call this tool through `https://api.miniwebtool.com/mcp` or `https://api.miniwebtool.com/v1/mcp` using MCP `tools/list` and `tools/call`.

## Frequently asked

### What does the EPF Calculator API do?

India Employees Provident Fund maturity corpus, splitting the employer's 12% into EPF and the EPS pension slice, with year-end interest compounding. Use it to add this utility without rebuilding formulas, validation, examples, and documentation.

### How much does one call cost?

2 credits per successful call. Failed calls do not bill.

### What parameters are required?

Required fields: (none). Full schema at `https://api.miniwebtool.com/v1/openapi.json`.

### Is this deterministic?

Yes. Same input, same output. Tool version: 2026-04-22.