curl --request POST \
  --url https://api.tagada.io/api/public/v1/promotion-codes/create \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "code": "SUMMER20",
  "promotionId": "promo_123",
  "usageLimit": 100,
  "expiresAt": "2025-08-31T23:59:59.000Z",
  "firstTimeCustomersOnly": false,
  "description": "Summer sale 20% off code"
}
'