Email APIs: rankings and reviews

Email APIs let your app send email with an HTTP request or SDK call instead of talking SMTP. This page collects our rankings and reviews of email APIs, all scored against the same published criteria.

Last updated

Rankings

Best transactional email servicesRanking

More email API rankings, for specific use cases, are in testing.

What we test in email APIs

  1. Time from sign-up to the first delivered email, including domain verification
  2. Accuracy of the docs and quality of the SDKs
  3. Error messages, logs and webhooks when something goes wrong
  4. Inbox placement at Gmail, Outlook and Yahoo
  5. Real cost at several monthly volumes

The full criteria and how we score them are on How we test.

Reviews

Reviews are in progress. Each will be listed here with the date we tested the tool.

Other categories

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