PRICING
Start with a real inbox.
Test the workflow for free. Move to paid access when your agents need more volume or a custom domain.
FREE
$0
For prototypes and your first agent email workflow.
- 50 messages / month
- Hosted InboxTron addresses
- REST API
- MCP tools
BUILDER
Paid
For agents using email as part of a real workflow.
- 2,500 messages / month
- Everything in Free
- Custom domains
- Production agent identities
Inbound and outbound messages share the monthly allowance. Final paid price is displayed when billing is enabled.