Introduction

Open Code List Representation (OpenCodeList) is a standardised JSON format for the generic representation of code lists.

The main features are:

• Definition of code lists and code list collections using JSON
• Support for versioning
• Support for multilingual strings
• Support for internal references
• Support for references to external code lists
• Support for multi-column keys and references
• OpenCodeList documents can be validated against the OpenCodeList Document Schema
• Open Source

Examples

The following OpenCodeList example documents are available:

• ISO 3166-2 Codes for Germany
• Capitals of the German federal states

Current Status

OpenCodeList is still very new and is being released here in its very first version. We would greatly appreciate any feedback.