To connect your Brevo(SendinBlue) account, you will need the following:
A Brevo(SendinBlue) API key
Get the required Data
Log in to your Brevo(SendinBlue) account
Click on your account icon (Top Right corner) and choose the SMTP & API option.
Click on the API Keys link.
Click on the Generate a new API Key button.
Give it a name and click on the Generate button.
Copy it to your clipboard or save it locally by clicking the copy icon.
Connect Constant Contact with Divi's Email Opt-in module
Open the Email Opt-in module Settings modal window.
Go to the Content Tab → Email Account.
Select the Brevo(SendinBlue) from the provider's list.
Click on the Add button.
Fill in the following fields:
Name - It can be anything you want. For example, you can use
my-brevo
API Key - Paste the Brevo(SendinBlue) API key.
Click on the Submit button.
Choose the ConverKit list you want to use.