1. Go to https://build.envato.com/ 231
  2. Click “Sign in” at the top
  3. Click the “API” page at the top
  4. In the sidebar, click “Private User Details” > “Look up sale by code”
  5. Enter the code into the textbox and click “Try it out!”

Nguồn:https://forums.envato.com/t/how-to-verify-a-purchase-code-using-the-envato-api/150813/37