curl --request POST \
  --url https://api.keymint.dev/key \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "productId": "4898d6707ffa56ed9b0eea",
  "maxActivations": "5",
  "newCustomer": {
    "name": "John Doe",
    "email": "john.doe@example.com"
  }
}'

{
  "code": 0,
  "key": "T8XTR-AI21B-2990H-85SB5"
}