Step 1

Log in to your Sendinblue account.

Step 2:

In the upper right menu, select "SMTP & API"

Step 3:

Select and copy your "v3" API key:

 

Step 4: 

Log in to your WisePops account.

Step 5: 

Open or create a popup with a sign-up form.

Step 6: 

Click on your sign-up form.

Step 8: 

In the left menu, click on Sync, then on the Sendinblue icon:


Step 9: 

Paste your API key and click "Submit"

Step 10: 

In the "list" menu, choose which list you'd like new subscribers to join:

And voila!

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