Due to severe limitations added by Steam on Steam inventory queries, refresh rates are now limited.
Although I'm actively working of this matter, I am unable to guarantee a perfectly working service at the moment (this includes supporters).
You can get more information on the SteamTrade Matcher Steam group.
Welcome to SteamTrade Matcher!
SteamTrade Matcher is a tool designed to help you easily trade your duplicate Steam trading cards, emoticons and profile backgrounds since 2013.

Currently on SteamTrade Matcher:

137343 registered users
1119 publicly listed users
66 listed trade bots
1356 trade offers initiated within the last 24 hours
Join the community and start trading your duplicates!