When sending a request to:
I get a completely empty answer: null
For example, if I send a request to:
I receive an answer that contains errors, I also use a similar sending method when working with other API ebay, so I can assume that this particular function "findListingRecommendations" is faulty, it does not work at all. Therefore, it is very important for me to get an answer directly from the technical support !!!
I am doing everything in accordance with what is described on this page: