Side by side
Hyvor Relay vs Mailazy
Both stand on email apis. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APISelf-hostedWeb
Choose Hyvor Relay if you need a developer-focused email API with self-hosting, automation, and delivery event reporting. Look elsewhere if you need built-in newsletter management or want a project to send both transactional and distributional email.
Visit Hyvor Relay
Free plan APIWeb
Mailazy combines newsletter creation, contact grouping, automation, and developer-facing delivery tools in one service. Check the newsletter-only Free plan and separate SMTP delivery costs against your sending needs.
Visit MailazyThe facts
| Hyvor Relay | Mailazy | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Self-hosted, Web | API, Web |
| Lowest paid plan | Cloud Standard: €30 a month | Pro: $49 a month |
| Plans published | 3 | 3 |
| Maker | Hyvor Relay | Not published |
| Website | relay.hyvor.com | mailazy.com |
| On email apis | #2 of 31 | #6 of 31 |
Hyvor Relay: what it does well
- REST API supports HTML, plain text, attachments, and multiple recipients.
- Automates domain setup, suppressions, API keys, and webhooks.
- Real-time webhooks report delivery and domain events.
- Searchable delivery logs are retained for 30 days.
- Self-hosting guide includes Prometheus, Grafana, and Alertmanager integrations.
What to know first
- Each project sends transactional or distributional email, not both.
- There is no built-in newsletter management.
- Authentication requires OIDC; Relay has no own login or signup.
- Self-hosting requires PostgreSQL and Docker Compose or Docker Swarm.
Mailazy: what it does well
- Free plan supports 1,000 contacts and 5,000 emails monthly
- Visual canvas supports waits, reordering, and pausing
- REST API, SMTP relay, and delivery webhooks
- Drag-and-drop designer includes templates and mobile preview
- SSO and owner, admin, and member roles
What to know first
- Free plan is limited to newsletters
- Automation and event emails lack open and click tracking
- Customers pay their SMTP provider separately
- Pro plan lists $49 a month
Alternatives to Hyvor Relay Alternatives to Mailazy The whole list