Refresh OAuth Access Token
POST https://accounts.salla.sa/oauth2/token
Request Body
[{"name"=>"client_id", "value"=>"{{CLIENT_ID}}", "datatype"=>"string"}, {"name"=>"client_secret", "value"=>"{{CLIENT_SECRET}}", "datatype"=>"string"}, {"name"=>"refresh_token", "value"=>"", "datatype"=>"null"}, {"name"=>"grant_type", "value"=>"refresh_token", "datatype"=>"string"}]