API Metadata Standards
This document outlines existing standards for API description metadata.
Definition
Metadata is structured information that describes, explains, locates, or otherwise makes it easier to retrieve, use, or manage an information resource (NISO 2004, ISBN: 1-880124-62-9).
Governmental metadata standards
Australia
United States
Coalition metadata standards
X-Road
The X-Road initiative has provided documentation about their API standards, such as: * X-Road v6.4 -tiedonsiirtoprotokolla