I believe Rick_Davin_3.0 answered the first part of the question. With PI Web API, Attribute and PI Point data is available through the Stream and the StreamSet controller with the methods offered by the latter allowing access to multiple streams at a time while the Stream controller offers access to individual streams. Please note that there is read and write methods listed.
I believe Rick_Davin_3.0 answered the first part of the question. With PI Web API, Attribute and PI Point data is available through the Stream and the StreamSet controller with the methods offered by the latter allowing access to multiple streams at a time while the Stream controller offers access to individual streams. Please note that there is read and write methods listed.