Top Choice
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
Amazon SES
3.9
•CHEAPEST · AWSLowest-cost email sending infrastructure
From $0.1/mo
Starting paid tiers from $0.1/mo
SMTP relay & high-deliverability API
Bird (SparkPost)
4.2
•ENTERPRISE · SCALECloud communications and email infrastructure
Contact Sales
SMTP relay & high-deliverability API
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
BriteVerify (Validity)
4.3
•VERIFICATION · ENTERPRISEEnterprise email and contact verification
Contact Sales
Spam testing & placement analytics
SocketLabs
4.3
•SMTP · APISMTP relay and email API for enterprises
From $39.95/mo
Starting paid tiers from $39.95/mo
SMTP relay & high-deliverability API
Twilio SendGrid (Advanced)
4.2
•ENTERPRISE · APIEnterprise email API for high-volume senders
From $89.95/mo
Starting paid tiers from $89.95/mo
SMTP relay & high-deliverability API
Netcore Email
4.1
•ENTERPRISE · DELIVERABILITYEmail API and marketing for enterprises
Contact Sales
SMTP relay & high-deliverability API
Maileroo
4.6
•SMTP · TRANSACTIONALHigh-deliverability SMTP relay and transactional email API
Free Plan Available
3,000 free SMTP emails and 1,000 inbound emails every month
Built-in disposable email detection and verification API