Authentication error || not authorized

Any one help…
how to troubleshoot this issue

Response body:
object(stdClass)#7 (1) {
array(1) {
object(stdClass)#6 (3) {
string(12) “UNAUTHORIZED”
string(37) “This request could not be authorized.”

:wave: @hussainmd I took a look at your account and see successful API calls. Are you still running into this error? Also I see that you are calling the deprecated Transactions API. Is there a reason that you are using that API? :slightly_smiling_face: