Email API for infrastructure teams
Build on an API that matches how serious teams operate: explicit domain state, routing, and operational signals—not a single opaque “send” button.
Email API
REST
Programmatic sending
At a glance
Plain-language summary for buyers, operators, and search engines.
In simple terms
An email API lets your systems create, configure, and send mail programmatically.
Why it matters
Developer velocity dies when email infra is split across five vendors with different auth models and no shared audit trail.
How CloudJet handles it
CloudJet aligns API workflows with SMTP access, monitoring, and guardrails so engineering and deliverability share one system.
Programmatic sending with clear contracts
REST API for product and ops teams who need predictable errors, tags, and event streams.
REST API
v1/send
CloudJet capability
Stable endpoints
Versioned API with actionable error payloads.
Template + tags
Organize sends by product surface and environment.
Webhook pairing
Delivery events feed your internal systems.
Stable endpoints
Versioned API with actionable error payloads.
Template + tags
Organize sends by product surface and environment.
Webhook pairing
Delivery events feed your internal systems.
Designed for real integrations
01
Use the API for provisioning, verification checks, operational queries, and sending workflows that need structured responses.
02
Pair with webhooks where you need asynchronous delivery and reputation signals in your own systems.
Related pages
Continue exploring capabilities that connect to this topic.
Questions & answers
Short, direct answers about this capability.
Yes. Many teams send transactional traffic via SMTP while using the API for domain lifecycle, verification, and operational automation.
See this in your stack
Start with verified domains and the guardrails that match this workflow.