API Documentation
Everything you need to interact with AccessGrid via API.
Partner pricing
Everything you need to interact with AccessGrid via API.
Lenel
Everything you need to understand Lenel
Card format overview
A proprietary 42-bit card format used in access control systems, featuring a unique structure composed of 14-bit site code and 12-bit card number, and 2 parity bits (even and odd), allowing for easy management and avoiding card number duplication for secure, contactless access.
Lenel format properties
14 bits. The facility code range is 0 to 16,383.
12 bits. A unique serial number (0-4,095) for each card within that facility code.
Even Parity for Even parity over bits 1-20.
Odd Parity for Odd parity over bits 21-40.
Generate examples
Put in the values for this card format, we'll generate the results in a few different formats.