We've added a few attractive features to Threema Gateway.
Test Threema Gateway for free: Even if you do not have your own custom Threema ID yet, you can now test Threema Gateway for free and without obligation. As a registered Threema Gateway user, you can send a limited number of messages to Threema IDs of your choice using our provided simple Web GUI.
Set your own custom profile picture: Jazz up your messages by setting a custom logo as profile picture for your Threema ID. The picture will be shown on the recipient's phone. Setting a custom profile picture is completely free and helps you ensuring a higher recognition value for your company or your brand.
Try it out: Threema Gateway