Can you provide us the current master list of categories available for all regions?

I was able to get 99 results by setting size=1000 in the request. But from the results I could not make out the total number of items. What is the parameter to be set to get the total number of items...

We are using the below API to get all the places in Germany by setting X-MAP-VIEWPORT=4.9474,48.1407,13.3629,53.5960
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To get the list of categories, we are calling explore API settingthe X-Map-Viewport in the header. We observed that the category list returned in the response lets say for California and Germany...