mediacode (string): This param limits the list to items to a single item that matches a given mediacode.
Example query:
https://api.countrysidebible.org/media/?mediacode=20190414p_c-ser_t-tp
Since the mediacode serves as the unique ID for the data type: media, you can access this same media item without the query param.
Example shortened:
https://api.countrysidebible.org/media/20190414p_c-ser_t-tp