1. Log into to your Coinbase account
2. Go to the API management page.
3. Click on Create API key button on the right top corner
4. Choose Trading key and click on Next button
5. Name your API key and choose a portfolio
6. Enable permissions View and Trade; don't enable Trasnfer permissions.
7. Enter our IP addresses in Enable IP Addresses section. Here are the addresses you can copy and paste, make sure they are separated by commas and spaces:
78.128.60.89, 78.128.43.82, 78.128.8.36
8. Click on Create & Download
9. Complete 3-factor authentication
10. Now you have your API details, which you can use to link your exchange in Gainium.
11. In Gainium, go to the Exchanges page. Then click on Add New
12. Paste key name and secret and you are done!