curl --request GET \
  --url https://api.sendkit.dev/campaigns \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "name": "March Newsletter",
      "subject": "Our latest updates",
      "preview_text": "Check out what's new",
      "reply_to": "support@example.com",
      "status": "draft",
      "audience_type": "contact_list",
      "audience_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "template": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "Newsletter Template"
      },
      "sender": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "Marketing Team",
        "email": "marketing@example.com"
      },
      "total_recipients": 1500,
      "sent_count": 1200,
      "failed_count": 5,
      "scheduled_at": "2026-03-15 10:00:00",
      "sent_at": "2026-03-11 14:30:00",
      "created_at": "2026-03-10 09:00:00"
    }
  ],
  "links": {
    "first": "https://api.sendkit.dev/contacts?page=1",
    "last": "https://api.sendkit.dev/contacts?page=3",
    "prev": null,
    "next": "https://api.sendkit.dev/contacts?page=2"
  },
  "meta": {
    "current_page": 1,
    "from": 1,
    "last_page": 3,
    "per_page": 25,
    "to": 25,
    "total": 75,
    "path": "https://api.sendkit.dev/contacts"
  }
}