# CPM & CPC Calculator — Agent Guide

> Calculate Cost Per Mille (CPM), Cost Per Click (CPC), and Click-Through Rate (CTR) for your advertising campaigns. Enter your budget, impressions, and clicks to get key ad performance metrics.

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

## Endpoint

`POST /api/tools/cpm-cpc-calculator`

Content-Type: `application/json`

## Request Body

- `budget` (number, required): Total ad budget ($)
- `impressions` (number): Total impressions
- `clicks` (number): Total clicks

## Response

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

- `cpm` (number): Cost per 1,000 impressions ($)
- `cpc` (number): Cost per click ($)
- `ctr` (number): Click-through rate (%)

## Example

```bash
curl -X POST https://kappax.io/api/tools/cpm-cpc-calculator \
  -H "Content-Type: application/json" \
  -d '{"budget":10000,"impressions":10000,"clicks":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