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Top Choice
Resend
4.8
•DEVELOPER · NEXT.JSEmail API for developers. Built for modern apps.
Free (up to 1,000 subs)
Developer-first email API & SMTP service
React Email integration for code-driven templates
SendGrid
4.1
•SCALE · APIEmail API and SMTP relay for developers
Free (up to 1,000 subs)
Free plan option available
SMTP relay & high-deliverability API
MailerSend
4.6
•AFFORDABLE · TEMPLATESTransactional email API for growing teams
Free (up to 1,000 subs)
Free plan option available
SMTP relay & high-deliverability API
Loops
4.7
•SAAS · TRANSACTIONALEmail for SaaS products
Free (up to 1,000 subs)
SaaS email platform with modern workflow builder
Robust Stripe & API event-driven triggers
Brevo
4.5
•MARKETING + TRANSACTIONALAll-in-one platform with unlimited contacts and SMS marketing.
Free Plan Available
Free plan with unlimited contacts (300 emails/day)
All-in-one CRM, SMS marketing & web chat
Buttondown
4.7
•NEWSLETTER · CREATORSMinimalist, Markdown-first newsletter platform for writers and creators.
Free (up to 100 subs)
Free plan up to 100 subscribers
Markdown-first, distraction-free editing
Mailtrap
4.7
•DEVELOPER · TESTINGEmail sandbox and testing for development teams
Free (up to 1,000 subs)
Free plan option available
SMTP relay & high-deliverability API
Clearout
4.7
•VERIFICATION · BULKBulk email verification with high accuracy
Free (up to 1,000 subs)
Free plan option available
Spam testing & placement analytics
Kickbox
4.6
•VERIFICATION · VALIDATIONEmail verification and deliverability tools
Free (up to 1,000 subs)
Free plan option available
Spam testing & placement analytics
Dyspatch
4.6
•TEMPLATE MANAGEMENT · TRANSACTIONALTransactional email template management at scale
Free (up to 1,000 subs)
Free plan option available
SMTP relay & high-deliverability API
Textmagic
4.6
•SMS · DRAG AND DROPSimple pay-as-you-go bulk SMS and email marketing for businesses.
Free (up to 1,000 subs)
Free plan option available
Marketing automation & segmentation
Mailjet
3.9
•COLLABORATIVE · TEAMCollaborative email for teams
Free (up to 1,000 subs)
Free plan option available
SMTP relay & high-deliverability API
Elastic Email
3.9
•AFFORDABLE · BULKAffordable bulk email API and marketing
Free (up to 1,000 subs)
Free plan option available
SMTP relay & high-deliverability API