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API and tools

Every route needs an owner session or an API key, and only ever shows your own lists.

API

POST /api/subscribe    subscribe (double opt-in)
GET  /api/confirm      confirm via signed link
POST /api/unsubscribe  one-click unsubscribe
GET  /api/v1/lists/:id  list subscribers (key)
POST /api/v1/campaigns draft (key)
POST /api/v1/campaigns/:id/send send (owner confirm)

MCP

Tool	What it does
list_lists	Your lists and totals.
list_subscribers	Confirmed subscribers.
draft_campaign	Draft without sending.
preview_campaign	Preview with substitutions.
send_test	Send a test email.
send_campaign	Needs an owner confirmation token.
campaign_status	Send counts.

Limits

5 subscribes per IP or email per minute. Unconfirmed addresses never receive campaigns.