PYGEOAPI is a Python server implementation of the OGC API suite of standards ... which might be really useful if you are thinking about upgrading from the first-generation OGC standards to the second-generation OGC standards 
... or if need to implement a custom data source or custom functionality to your web services.
 
If you are using MapServer, Geoserver, Mapproxy, QGIS server, or Deegree you might find this episode interesting!
 
Relevant previous episodes
 
Cloud-native Geospatial
https://mapscaping.com/podcast/cloud-native-geospatial/
 
Geoserver
https://mapscaping.com/podcast/geoserver/
 
Geonode
https://mapscaping.com/podcast/geonode-open-source-geospatial-content-management-system/