# CAC Calculator — Agent Guide

> Calculate your Customer Acquisition Cost (CAC) by combining marketing and sales spend. Compare against industry benchmarks to evaluate your acquisition efficiency.

Base URL: `https://kappax.io`

## Endpoint

`POST /api/tools/cac-calculator`

Content-Type: `application/json`

## Request Body

- `totalMarketingSpend` (number): Total marketing spend ($)
- `totalSalesSpend` (number): Total sales team spend ($)
- `newCustomers` (number, required): Number of new customers acquired

## Response

Returns JSON with `tool` (slug) and `result` object:

- `cac` (number): Customer acquisition cost ($)
- `totalSpend` (number): Combined marketing + sales spend ($)
- `benchmark` (string): Rating: excellent | good | average | high

## Example

```bash
curl -X POST https://kappax.io/api/tools/cac-calculator \
  -H "Content-Type: application/json" \
  -d '{"totalMarketingSpend":10000,"totalSalesSpend":10000,"newCustomers":10000}'
```

## Rate Limits

- 60 requests per minute per IP
- Please include a descriptive User-Agent header

## More Tools

See all available tools at https://kappax.io/tools
Full tools index for agents: https://kappax.io/llms.txt
