Can you tell me what service you're trying to use?  Sometimes it helps me to reference the doc for the API in answering these.   The "data=" is something we see on the cURL examples that are often provided in API doc, but in that case "data" is a keyword for cURL and not part of the API syntax.  The body of the request -- passed in that data field -- would belong on the IN= param for PROC HTTP.   Or...do you have a cURL example that works/should work?  If so, we can transcribe to PROC HTTP. ... View more