# Midas

Everything you need to understand Midas

## Card format Overview

A proprietary 13-bit card format used in access control systems, featuring a unique structure composed of 6-bit site code and 4-bit card number, allowing for easy management and avoiding card number duplication for secure, contactless access.

## Midas format properties

### Site Code

6 bits. The facility code range is 0 to 63.

### Card Number

4 bits. A unique serial number (0-15) for each card within that facility code.

### Generate examples

Put in the values for this card format, we'll generate the results in a few different formats.

### Site Code

### Card Number

Get examples

#### Here's your example

| Format | Value |
| --- | --- |
| Hex | FFC<br>Copy |
| Decimal | 4092<br>Copy |
| Binary | 0111111111100<br>Copy |

## The API that turns phones into key fobs.