For instructions on how to check the API key, please refer to the "How to Generate API Key" tab above.
In the Mandrill dashboard, click the Settings menu on the left.
On the Settings page, click the New API Key button under the API Keys section to generate a new API key.
Enter a description for the API key, then click the Create API Key button. All other options should remain unchecked.
Once the API key is successfully created, a modal like the one below will appear. Click the Copy button to copy the key, then paste it into the form.