Email Marketing Automation in 2026: 5 Tools (and 1 Self-Hosted) Through Their APIs
The article discusses five email marketing automation tools available in 2026, focusing on their APIs and functionalities. It highlights the importance of choosing the right tool based on whether users need transactional emails, marketing campaigns, or both. The tools reviewed include Brevo, MailerLite, ActiveCampaign, and Klaviyo, each with unique features and pricing structures.
- ▪Brevo offers a free plan with 300 emails per day and supports both transactional and marketing functionalities through a single API.
- ▪MailerLite provides a user-friendly interface and a straightforward API, but its transactional email service is a separate paid product.
- ▪ActiveCampaign is known for its advanced automation capabilities but lacks a free plan and has a more complex API.
- ▪Klaviyo features a clean, event-driven API that excels in segmentation and automation, though its free tier is limited.
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3869261) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } TrackStack Posted on May 25 • Originally published at trackstack.tech Email Marketing Automation in 2026: 5 Tools (and 1 Self-Hosted) Through Their APIs #webdev #api #selfhosted I've wired up email automation in 5 different SaaS products over the last 3 years. Every time the team asks "Mailchimp or…?" — and every time the right answer depends on whether you actually need marketing campaigns, transactional sends, or both.
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