the atlassian marketplace API does not behave consistently across all types. the total count attribute is not available when requesting the applications list:
all other base types return this information, which is required to establish dynamic pagination routines consistent with the API as documented (https://developer.atlassian.com/platform/marketplace/rest/v2/intro/#pagination). the expected attribute is represented as "count" in the json object root of other types, whether they exceed the limit (50) or not: