The easiest way to get an one-time secure Action Code is using our official hosted Action Code Generator at actioncode.app
  1. Visit actioncode.app
  2. Connect your wallet (we recommend using Solana wallets’ in-app browser)
  3. Copy/share codes with anyone, anywhere
  4. To inspect code and validate you can use Action Code Web Inspector Tool
Also we encourage to try out Action Codes Playground.