Python Standardized Numbers and Codes
JSON →python-stdnum is a Python module designed to parse, validate, and reformat a large collection of standardized numbers and codes from various countries and international standards. Currently at version 2.2, released in January 2026, the library maintains a frequent release cadence, regularly adding support for new number formats, applying bug fixes, and enhancing existing functionalities.
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API endpoints
full doc /v1/registry/python-stdnum
compatibility /v1/registry/python-stdnum/compatibility