Email Marketing Pro
Campañas
GET|POST /api/v1/campaigns
GET /api/v1/campaigns/:id
POST /api/v1/campaigns/:id/schedule — { "scheduled_at": "2026-04-10T10:00:00Z" }
POST /api/v1/campaigns/:id/send — enviar ahora
POST /api/v1/campaigns/:id/cancel
Suscriptores
POST /api/v1/subscribers — { "email": "...", "first_name": "...", "source": "checkout" }
DELETE /api/v1/subscribers/:email — dar de baja