# FIP Calculator API

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

Calculate baseball fielding independent pitching.

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

- Slug: `fip-calculator`
- Category: `sports`
- Version: `2026-04-22`
- Credits per successful call: 1
- Starts on: free
- Max payload: 65536 bytes
- Privacy mode: `no_body_logs`
- Available on: free, starter, pro, business, scale
- Browser tool: https://miniwebtool.com/fip-calculator/

## Endpoint

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

## Request body

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `home_runs` | `int` | no |  |
| `walks` | `int` | no |  |
| `intentional_walks` | `int` | no |  |
| `hit_by_pitch` | `int` | no |  |
| `strikeouts` | `int` | no |  |
| `innings_pitched` | `float` | no |  |
| `fip_constant` | `float` | no |  |
| `precision` | `int` | no |  |

## Example request

```json
{
  "home_runs": 15,
  "walks": 45,
  "intentional_walks": 5,
  "hit_by_pitch": 8,
  "strikeouts": 180,
  "innings_pitched": 180,
  "fip_constant": 3.1,
  "precision": 4
}
```

## cURL

```bash
curl -X POST https://api.miniwebtool.com/v1/tools/fip-calculator/run \
  -H 'Authorization: Bearer mwt_live_YOUR_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"home_runs":15,"walks":45,"intentional_walks":5,"hit_by_pitch":8,"strikeouts":180,"innings_pitched":180,"fip_constant":3.1,"precision":4}'
```

## Response envelope

```json
{
  "request_id": "01K...",
  "tool": "fip-calculator",
  "tool_version": "2026-04-22",
  "credits_used": 1,
  "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 FIP Calculator API do?

Calculate baseball fielding independent pitching. Use it to add this utility without rebuilding formulas, validation, examples, and documentation.

### How much does one call cost?

1 credit 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.