Upwork, WiX, and Crunchbase reached the same answer. They use simple APIs by
Nylas to seamlessly
integrate emails, calendars, and contacts. Because devs have better things do to than write email and calendar integrations.
Nylas lets you sync data from your users’ inboxes, calendars, and address books. It supports every provider in the world, including Google, Microsoft, and Apple. You can automate tasks like scheduling meetings, sorting emails, and data entry. And it’s maintenance-free with a 99.9% guaranteed uptime.
To learn more, you can connect with a Nylas expert. And yes, there’s also a free-forever tier.