curl -X POST "https://api.affonso.io/v1/program/promotion-urls" \
  -H "Authorization: Bearer sk_live_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Enterprise landing page",
    "url": "https://acme.com/enterprise",
    "audience": "groups",
    "group_ids": ["group_enterprise"],
    "sort_order": 10
  }'

{
  "success": true,
  "data": {
    "id": "promotion_url_abc123",
    "name": "Enterprise landing page",
    "url": "https://acme.com/enterprise",
    "description": null,
    "audience": "groups",
    "group_ids": ["group_enterprise"],
    "product_ids": [],
    "is_active": true,
    "sort_order": 10,
    "is_program_default": false,
    "default_for_group_ids": [],
    "created_at": "2026-07-28T10:00:00.000Z",
    "updated_at": "2026-07-28T10:00:00.000Z"
  }
}