documentDeveloper platforms
Resend
A developer-focused email platform for transactional messages and broadcasts.
Pro: USD 20/month · 50,000 emails
3,000/month; 100/day
THIRD-PARTY EMAIL SERVICES
A better starting point
for your next integration.
15 services spanning developer platforms, cloud infrastructure and SMTP delivery. Current coverage focuses on application email sending, not inbox hosting or development libraries.
15 of 15 services · Unconfirmed attributes do not mean unavailable.
Developer platforms
Postmark
Email delivery with developer documentation and publicly reported service status.
10k/month: Basic USD 15; Pro USD 16.50; Platform USD 18
Developer plan: 100 emails/month
Developer platforms
Mailgun
Email API and SMTP delivery with inbound routing and US or EU hosting options.
Basic: USD 15/month · 10,000 emails
100 emails/day
Cloud providers
Amazon SES
AWS sending infrastructure with usage-based pricing and separately priced delivery options.
À la carte: USD 0.10/1,000 outbound emails
New AWS accounts: up to USD 200 eligible-service credits, subject to AWS Free Tier conditions.
Developer platforms
Twilio SendGrid
Email API platform with SMTP, event webhooks and plan-dependent team features.
Essentials from USD 19.95/month
Trial: 100/day for 60 days
Marketing + transactional
Brevo
A customer messaging platform with transactional email API documentation.
Standard from USD 18/month; Professional from USD 499/month; Enterprise custom.
300 emails/day
Developer platforms
MailerSend
Transactional email with API, SMTP relay and shared template-building tools.
Hobby: USD 7/month · 5,000 emails
500 emails/month
SMTP specialists
SMTP2GO
Managed email relay with reporting and multiple support channels.
Conflicting sources
1,000 emails/month
Marketing + transactional
Mailjet
Email delivery and editing tools with API, SMTP and marketing features.
Starter: USD 9/month · 8,000 emails
6,000/month; 200/day
Marketing + transactional
Elastic Email
Email API and SMTP service with a separate marketing product and tiered delivery features.
API Starter: USD 19/month · 50,000 emails
API Free: up to 3,000/month; verify daily conditions
Developer platforms
Zoho ZeptoMail
Transactional email service sold in prepaid email credits.
Needs confirmation
10,000 transactional emails (one free credit), valid for one month.
Marketing + transactional
Plunk Cloud
Hosted open-source platform for transactional email, campaigns and automation.
USD 0.001/email (USD 1/1,000) on hosted paid plan.
1,000 emails/month; Plunk branding.
Cloud providers
Azure Communication Services Email
Azure application email with SDKs, SMTP and engagement reporting.
Published USD estimate: 0.00025/email (0.25/1,000), plus transferred data.
Azure new-account offer: USD 200 credit for 30 days; eligibility applies, not a permanent email allowance.
Cloud providers
Alibaba Cloud DirectMail
Cloud email delivery with resource packages and pay-as-you-go billing.
Pay-as-you-go: USD 0.29/1,000 emails
One-time 2,000 emails/account, up to 200 free/day; separate new-customer package promotion subject to purchase page.
Cloud providers
Tencent Cloud SES
Tencent Cloud email sending through the console, API and SMTP.
International: USD 0.00028/email (USD 0.28/1,000).
One-time gift quota of 1,000 emails per account.