Beehiiv is an email newsletter platform offering robust audience growth features, including a free account with 2,500 subscribers and design features to brand the newsletter. It can be integrated with marketing platforms using Zapier, a workflow automation software that allows users to connect user interfaces, data tables, and logic with thousands of apps to build and automate workflows. With Zapier, users can create Zaps to automate tasks such as adding new subscribers from forms, bringing in leads from marketing and lead apps, creating subscribers from every new sale, importing subscribers from CRM or mailing list, connecting spreadsheets for easy subscriber updates, and filling in gaps with webhooks. These integrations enable businesses to quickly scale their marketing efforts and keep all tools up to date with automation.