# Add environment variables to "staging":
vercel env add MY_KEY staging
```

### Pricing and limits

Custom environments are available at no additional cost on the Pro and Enterprise plans. The number of custom environments you can create is based on your plan:

- **Pro**: 1 custom environment per project
- **Enterprise**: 12 custom environments per project

## More resources

- [Learn about the different environments on Vercel](https://www.youtube.com/watch?v=nZrAgov_-D8)


--------------------------------------------------------------------------------
title: "Accessing Deployments through Generated URLs"
description: "When you create a new deployment, Vercel will automatically generate a unique URL which you can use to access that particular deployment."
last_updated: "2026-02-03T02:58:40.263Z"
source: "https://vercel.com/docs/deployments/generated-urls"
--------------------------------------------------------------------------------