SMTP v. API: Their differences and how to use them

You’re tasked with integrating email into the app you’re building or the customer relationship management (CRM) tool your business uses. You have two options: traditional SMTP or an SMTP API, which uses HTTP requests (often RESTful and JSON formatted) for faster and more flexible email sending and management. Both are crucial to your email development and deployment process, whether you’re sending an email marketing campaign or a triggered transactional email. But what are they, and when do…