SendinBlue is a platform for managing online marketing campaigns, transactional emails, and SMS messages. It includes tools for designing custom emails or uploading designs from elsewhere. Users may send emails or SMS to all of their subscribers at once or to a subset on a contact list. SendinBlue provides users with statistical reports in order to track and improve their email marketing efforts. Many of the platform's functions are made programmatically accessible via REST API. The SendinBlue website and documentation are available in both English and French.