Good morning to all. I need help in finding the solution to this error.
I am building integration with ShopSite.com. They have an API.
The sample code given is in PHP code.
I don't know PHP, but I have tried and successfully generated the access_token (Step 1)
Now I am trying to download the orders and getting this below error

{
"error": "access_denied" ,
"error_descript ion":...