Courier vs Mailgun
No clear leader: Courier (64.0) and Mailgun (59.1) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for communication apis. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Courier
A messaging platform that orchestrates customer notifications across email, SMS, push, chat, and other channels through APIs, visual design tools, and automated journeys.
Mailgun
A developer-focused platform that handles sending transactional emails reliably, with integrated tools for validating email lists, testing inbox placement, monitoring sender reputation, and tracking email performance.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Courier
Free tier with 10,000 sends/month, then $0.005 per send. No per-seat or channel fees.
- DeveloperFree
- 10,000 sends per month
- Journeys & broadcasts
- MCP server, CLI, & SDKs
- SSO via Google, Github
- Email support
- Business$0.005 per send
- All Developer features
- Pay-as-you-go pricing
- AI Translations
- AI Agent node
- Email & chat support
- EnterpriseContact sales
- All Business features
- Volume pricing
- Dedicated Slack channel
- Observability integrations
- Role-based access control
- +2 more
Mailgun
From $49/mo. First month free.
- Pilot$49/mo (first month free), unlimited users
- First month free
- Unlimited users
- 2,500 email address validations
- 25 inbox placement tests
- Detailed documentation
- +1 more
- Starter$99/mo (first month free), unlimited users
- First month free
- Unlimited users
- 5,000 email address validations
- 50 inbox placement tests
- Spam trap monitoring (1 domain)
- +6 more
- ContractContact sales
- Unlimited users
- Custom domain and IP monitoring
- Custom email validations
- Custom inbox placement tests
- Designated Technical Account Manager
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Courier
- Amply
- AWS SES
- Postmark
- Mailgun
Mailgun
- Google Postmaster Tools
- Microsoft SNDS
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.