Pricing
Early access, by invitation.
Mailstack is onboarding early teams by hand so we get the fit right. No self-serve billing yet — request access and we'll set you up.
Early access
Everything, while we learn what you need.
- Your own account, team members and roles
- Sending, inbox, campaigns and scheduling
- Authenticated domains with deliverability guardrails
- Account-scoped API for your agents
- Direct line to the people building it