e2a vs MailerSend
e2a
e2a.dev
MailerSend
mailersend.comSide by side
| Figure | e2a | MailerSend |
|---|---|---|
| Price from | $2/mo | $7/mo |
| Free plan | — | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 5 | 5 |
| Spec score · Email APIs | 7.9 (#17) | 9.0 (#1) |
| Integrations | The maker documents MCP access and TypeScript and Python SDKs, and says outbound mail can use Amazon SES or Resend as an upstream relay. | Official integrations include WordPress, WooCommerce, Firebase, Symfony, React Email, Supabase, Make, NocoDB, Pipedream, Zapier-related tools and others. |
| Product | e2a is an open-source email API for applications and AI agents, available as hosted service or self-hosted Apache-2.0 software. | MailerSend provides transactional email delivery through an email API and SMTP relay. |
Plans
e2a
- Inbox add-on$2 a month
- Starter$10 a month
- Pro$20 a month
- Scale$99 a month
- FreePrice not published
MailerSend
- FreeFree
- Hobby$7 a month
- Starter$35 a month
- Professional$110 a month
- EnterprisePriced on request
In their own words
MailerSend
MailerSend delivers transactional email through an email API and SMTP relay. Its editing tools include drag-and-drop, HTML and rich-text editors, along with dynamic templates and split testing. Webhooks, tracking, real-time activity, analytics and suppression-list management support monitoring. Inbound routing can parse replies into application events and route them to an app for further action. Integrations listed include Zapier, Supabase, Firebase, Slack, Laravel, WooCommerce, WordPress, ChatGPT and Claude. The Free plan is free and allows 500 emails per month, 100 daily API requests, one domain and one template. Hobby costs $5.60 a month, billed $67.20 yearly, and includes 5,000 emails per month. The pricing note lists paid plans from $7/mo. A 14-day Professional trial includes 500 emails per month, 100 daily API requests and one day of log retention. MailerSend is available on web, API and iOS; its mobile app is currently only available for iOS. It states that it is GDPR-compliant and hosts services in a certified ISO 27001 data center in Belgium.