curl --request POST \
  --url https://api.keymint.dev/key/activate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "productId": "<string>",
  "licenseKey": "<string>",
  "hostId": "<string>",
  "deviceTag": "<string>"
}'

{
  "code": 0,
  "message": "License valid",
  "licenseeName": "License Test Customer",
  "licenseeEmail": "license-1756752346942@example.com"
}