API Documentation
Everything you need to interact with AccessGrid via API.
Casi-Rusco 40bit
Everything you need to understand Casi-Rusco 40bit
Card format overview
A proprietary 40-bit card format used in access control systems, featuring a unique structure composed of 38-bit card number, allowing for easy management and avoiding card number duplication for secure, contactless access.
Casi-Rusco 40bit format properties
Card Number
38 bits. A unique serial number (0-274,877,906,943) 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.
38 bits, 0–274,877,906,943.
Here's your example
Hex
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Decimal
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Binary
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