According to Microsoft Docs, since .NET 4.5 The following instance methods are thread safe (thanks @ischell):
CancelPendingRequests
DeleteAsync
GetAsync
GetByteArrayAsync
GetStreamAsync
GetStringAsync
PostAsync
PutAsync
SendAsync
PatchAsync
According to Microsoft Docs, since .NET 4.5 The following instance methods are thread safe (thanks @ischell):
CancelPendingRequests
DeleteAsync
GetAsync
GetByteArrayAsync
GetStreamAsync
GetStringAsync
PostAsync
PutAsync
SendAsync
PatchAsync