Google Maps APIs

Add maps and location info to your website with Googles various mapping and location APIs. They've got an API for maps, location, distance, places, directions, and more. Their APIs allow you to automate your workflows using your favourite language with REST calls or client libraries.

Sendgrid - Email Services

Integrate email functionality into your web applications with SendGrid's email API. If you need to validate email addresses or send out newsletters, SendGrid delivers. They offer a free tier.