This article discusses how to provide Pre-Shared Key information when using the M-Files Web Service. Pre-Shared Key setup and configuration information can be found in the M-Files Knowledgebase.
When making requests to an instance of the M-Files Web Access that has had a Pre-Shared Key requirement configured, the
X-PresharedKey HTTP header must be added to all HTTP requests. This header must be added in addition to other HTTP headers.