apio

Categories · Communications & Messaging

Email APIs

Every email apis we track, compared.

Looking for a recommendation? See the Best Email APIs guide.

By job: Email APIs for Marketing & Broadcasts · Email APIs for Receiving & Parsing Inbound Email · Email APIs with Built-in Email Validation

Sorted by a data-readiness score (published pricing, free tier, self-serve access, compliance, webhooks/sandbox, capability breadth). No paid placement. ✓ yes · ✗ no · · unknown.

11 APIs compared
#APIPricingFreeSelf-serveSOC 2HIPAAGDPRWebhooksActions
1MailgunHybrid✓✓Type II✓✓✓146
2MailjetHybrid✓✓Type II✓✓✓13
3Amazon Simple Email ServiceUsage✗✓Type II✓✓✓168
4BrevoHybrid✓✓··✓✓104
5SendGridHybrid✗✓Type II✗✓✓28
6MailerSendHybrid✓✓?✗✓✓60
7PostmarkHybrid✓✓—·✓✓82
8ResendHybrid✓✓Type II✗✓✓29
9SparkPostHybrid✓✓Type II✓✓✓45
10Mailchimp TransactionalHybrid✗✓?✗✓✓89
11Cloudflare Email ServiceHybrid✓✓Type II·✓✗5

The APIs

  • Mailgun

    Mailgun is the all-in-one, intelligent email delivery platform trusted by businesses and loved by developers.

  • Mailjet

    The best email marketing software that's built for devs and loved by marketers.

  • Amazon Simple Email Service

    Amazon Simple Email Service (Amazon SES) is a cloud-based email service provider that can integrate into any application for high-volume email automation.

  • Brevo

    Brevo is the most intuitive all-in-one customer engagement platform: email and SMS marketing, automation, CRM, live chat, and transactional email.

  • SendGrid

    Email at scale, proven deliverability, and so much more

  • MailerSend

    MailerSend is a powerful transactional email system built for developers but designed so non-tech teams can contribute without coding.

  • Postmark

    Fast, Reliable Email Delivery Service

  • Resend

    The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.

  • SparkPost

    The world's most powerful email delivery solution is now yours in a developer-friendly, quick to set up cloud service.

  • Mailchimp Transactional

    Send targeted and event-driven messages to anyone, fast—with best-in-class deliverability.

  • Cloudflare Email Service

    Send transactional emails and route incoming emails to Workers or email addresses with Cloudflare Email Service.