Comments on: x-callback-url spec, R2 – new “x-cancel” parameter

Comments on: x-callback-url spec, R2 – new “x-cancel” parameter http://x-callback-url.com/2012/01/x-callback-url-spec-r2-new-x-cancel-parameter/ Interapp communication Mon, 30 Jan 2012 14:26:31 +0000 hourly 1 https://wordpress.org/?v=5.8.4