Built for developers and agents
A versioned REST API for transactional send, plus a native MCP tool surface for agent-driven campaigns.
// transactional send API
POST /v1/send
{
"to": "jordan@acme.com",
"template": "welcome",
"data": { "name": "Jordan" }
}
MCP tool surface
| Tool | What it does |
|---|---|
| draft_email | Generate a full email draft from a brief. |
| generate_subject_lines | Produce subject-line variants for a draft. |
| check_spam_score | Score a draft for spam-trigger risk before sending. |
| create_campaign | Create a campaign targeting a list or segment. |
| send_transactional | Send a one-off transactional email via template. |
| list_contacts | Query contacts with filters. |
| get_campaign_stats | Pull delivery/open/click stats for a campaign. |