To integrate Sendinblue with siriusrewards,
1) Go to Integrations >> Autoresponder Integration
2) Click on the Connect button as shown in the image below.
(A) Enter your Sendinblue API key.
(B) Click on the "Save button".
3) Now Your Sendinblue account is integrated with the tool.
Once it is integrated, then the button will be changed to Connected as shown in the image below,
To get the API key from Sendinblue,
Copy the API key from the API keys section and paste it in the Siriusrewards Sendinblue integration.
To link the Autoresponder list to a store,
1) Go to store and click on Actions as shown in the image below
2) Then click on Autoresponder, Choose Sendinblue from the list (under API integrations) and then the list to which you want to send the registered customers.
3) Then click on the Save button. The autoresponder is linked to your store now.