How to integrate Sendinblue with ConvertFlow First, head to your ConvertFlow website's integrations area.. Click to connect with Sendinblue... In Sendinblue, go to Account Name > SMTP & API > API Keys to find your Sendinblue API v2 key.. Then, copy and paste these into the ConvertFlow integration fields. And now Sendinblue and ConvertFlow are connected! ConvertFlow will now start pulling in your lists, etc. so you can trigger automations and segment leads in Sendinblue as your visitors submit your ConvertFlow forms, landing pages, surveys and more.