Authorization
Here you will find only two types of API keys, which are: Public key looks like thisModes
It is important to keep in mind which mode you are in, so you can know which API keys to use.Test mode
Test mode
In the begining you will be in test mode, and here you will need to use test API keys for testing.
Live mode
Live mode
After being approved you can start using the live API keys in live mode.
Reminder: To find all these keys go to the settings section of your project and click on API keys on the left hand side