OAuth1 Classic ASP Example for Twitter, Quickbooks, and Xero

Requires the Chilkat ActiveX (available at https://www.chilkatsoft.com/downloads_ActiveX.asp) If your ASP runs 64-bit, then use the 64-bit Chilkat ActiveX. If your ASP runs 32-bit, then use the 32-bit Chilkat ActiveX.

Note: The Chilkat ActiveX is not freeware. It requires a purchased license to use beyond the 30-day trial.