Updated 4th January 2023:
Gunbot allows us to add and edit exchanges ourselves. In order to do it, follow these simple steps:
1- Click on the 3 points placed at the right of “Trading settings”.

2- Go to “Edit licenses”. Here you will see a message stating what kind of Gunbot license do you have (Standard, Pro, Ultimate…) and you will see, at least, 1 Api key added. In the case this info is not being shown, try reloading the page again until the info is shown.

3- Now you will see, at least, one API in the first slot. Ok now you can add more apis in the other slots (note that the number of slots depends on the license you have). After adding a new exchange, remember to save the changes. Once you add a new exchange, that Api will be the Master Key for that exchange.
4- Now you just need to click on “Exchange” and you can put your Api key and secret for each exchange you want to use. Obviously, before doing this, you need to follow the 3 steps above in order to activate the Apis for the exchanges you want to trade on.
5- I will give you an extra tip in the case you don’t get to add a new api key / exchange following these instructions. Stop the bot and wait until the process is completely closed. Now open it again and, as fast as possible, repeat all the steps starting from point 1.
This way you will be able to easily add and edit exchanges yourself.