MachineMail vs Whereby
MachineMail and Whereby are both team communication tools. MachineMail is aimed at developers and small businesses, while Whereby is aimed at small businesses and developers. MachineMail costs less, from $9/mo versus $10.99/mo for Whereby. Both have a free plan.
Email API and MCP server that gives AI agents inboxes of their own
Browser-based meeting rooms and embeddable video API
| Pricing | Freemium · $9 | Freemium · $11 |
| Starting price | $9/mo | $10.99/mo |
| Free plan | Yes | Yes |
| Free trial | — | 14 days |
| Built for | Developers, Small businesses | Small businesses, Developers |
| Platforms | web | web, ios, android |
| Country | — | NO · 2013 |
| Rating | — | — |
Choose MachineMail if
Developers building AI agents that need their own email addresses and a safe way to read untrusted inbound mail.
- Unlimited inboxes are free on every plan
- Trust layer addresses prompt injection and phishing in email
- AgentMail-compatible API makes switching a config change
Look elsewhere if: Teams that only need to send transactional or marketing email from an app (Resend).
Choose Whereby if
Businesses embedding video or wanting simple rooms.
- Very easy for guests
- Embeddable API
- Privacy-focused
Look elsewhere if: Large webinars.
MachineMail vs Whereby pricing
MachineMail
- Free$03,000 messages/mo (100/day), 1 GB, 1 custom domain, 1 seat
- Pro$9/mo7,500 inbound, 2,500 outbound, 10 GB, 10 domains, unlimited seats
- Team$49/mo45,000 inbound, 15,000 outbound, 30 GB, 50 domains, unlimited seats
- Scale$199/mo200,000 inbound, 65,000 outbound, 150 GB, 250 domains, Slack support
Whereby
- Free$01 room, 4 attendees, 30-minute meetings
- Pro$10.99/mo3 rooms, 100 attendees, no time limit
- Business$13.99/host/moMin 3 hosts; unlimited rooms, 200 attendees
- EmbeddedUsage-basedVideo API, charged by usage
MachineMail · Key features
- Free inboxes on machinemail.dev or your own domains, ephemeral or permanent
- Trust report and level on every inbound message
- Agent-safe text with hidden text and zero-width characters removed
- Hosted MCP server with 17 tools, including wait_for_message
- Catch-all domains that create an inbox on first delivery
- Pods and scoped API keys to separate customers or agents
Cons
- New service that publishes no team, legal entity or address on its site
- Free plan caps mail at 100 messages a day
- No annual pricing listed
Whereby · Key features
- Permanent room links
- No downloads
- Embedded video API
- Recording
- Branding
- GDPR compliance
Cons
- Fewer features than Zoom
- Free limits
- API pricing usage-based
MachineMail vs Whereby: FAQ
Which is cheaper, MachineMail or Whereby?
MachineMail starts at $9/mo and Whereby at $10.99/mo. Both prices are checked on the vendors' own pricing pages.
Do MachineMail and Whereby have a free plan?
Yes, both MachineMail and Whereby have a free plan; paid plans add more usage and features.