To fetch tickets, you must be using the Service Hub product, which had not been activated in your test portal. I've just started a Service Hub Free trial here in test portal 4960894. You should now be able to experiment with the Tickets API.
To fetch tickets, you must be using the Service Hub product, which had not been activated in your test portal. I've just started a Service Hub Free trial here in test portal 4960894. You should now be able to experiment with the Tickets API.