I'm getting a 4600 error which I understand is due to improper API call syntax. But I've triple checked every character or my url strong and I cannot find what is amiss. I receive this error only when I try to run an api call for 'potentials' but not for other types, like 'leads'. I get a proper response when I use the exact same url (just switch out the id with a lead-id).
String I'm using with a 4600 response: