Observable email infrastructure for product teams and AI agents
About SendHQ
SendHQ gives product teams and AI agents one coherent email workflow: verify domains, send transactional messages, receive email, inspect delivery outcomes, and manage workspace-scoped API keys. Its public REST surface is designed for serious product communication with clear observability and sender-safety controls.
✓ VerifiedOct 28, 2026
Key features
- Transactional email API
- Inbound email
- Verified sending domains
- Delivery event visibility
- Workspace-scoped API keys
- Agent-facing API documentation
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