SendHQ
Observable email infrastructure for product teams and AI agents
Overview
SendHQ is an email API for verified-domain transactional sending, inbound email, delivery events, scoped API keys, and observable agent workflows. It gives product teams and AI agents one coherent workflow to verify domains, send transactional messages, receive email, inspect delivery outcomes, and manage workspace-scoped API keys.
Key features
- Transactional email API
- Inbound email
- Verified sending domains
- Delivery event visibility
- Workspace-scoped API keys
- Agent-facing API documentation
Pricing
SendHQ is a paid subscription product. The entry plan is Transactional Starter at $9 per month. Other published plans are Transactional Scale at $29 per month, Marketing Starter at $19 per month, and Marketing Scale at $39 per month. There is no free plan or free trial.
View full pricing on sendhq.cc
Pros & cons
Pros
- One coherent inbound and outbound email workflow
- Clear delivery observability
- Scoped API keys for product and agent workflows
- Public REST and OpenAPI documentation
Cons
- No free tier
- Best suited to teams comfortable integrating an API
Frequently asked questions
SendHQ is observable email infrastructure for product teams and AI agents.
Yes. SendHQ supports inbound email alongside transactional sending and delivery event visibility.
No. Current published pricing starts at $9 per month.
The public OpenAPI description is available at https://sendhq.cc/openapi.json and agent-facing documentation is available at https://sendhq.cc/for-agents.
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