Public environment variables now display a warning

When creating and editing Environment Variables on Vercel, you can now see hints to warn you of potentially leaking secret values to the public. This supports all frameworks that use a prefix to mark an environment variable as safe to use on the client like:

  • Next.js

  • Create React App

  • Vue.js

  • Nuxt

  • Gridsome

  • Gatsby

  • SvelteKit

  • Vite

Learn more about Environment Variables.