Go to the Account Settings by clicking in the profile menu (top right);
Choose a name for the API Key and click "Create your API Key"
The key will only be available right after you create it. Save the API Key in a place where you want to recover it later (e.g., password manager), if needed.
API Key form in Account Settings
How to use API Key
Every request to the API needs to be authenticated. To authenticate your requests you will need to send a Authorization header in your requests with this format.
Postman Collection
If you are a Postman user, download the collection with all existing endpoints, and import it in your account.