curl --location "$BASE_URL/api-key/create" \
  --header "$AUTH_HEADER" \
  --header "Content-Type: application/json" \
  --data '{
    "merchant_id": "merchant_demo",
    "description": "backend integration key"
  }'

{
  "key_id": "018f...",
  "api_key": "DE_...",
  "key_prefix": "DE_abcd",
  "merchant_id": "merchant_demo",
  "description": "backend integration key",
  "created_at": "2026-04-25 10:00:00"
}

curl "$BASE_URL/api-key/list/merchant_demo" \
  --header "$AUTH_HEADER"

curl --request DELETE "$BASE_URL/api-key/018f-key-id" \
  --header "$AUTH_HEADER"