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# Request: Environment Variable for `VERCEL_CUSTOM_URL`

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Corey Coto (Kaizen Insights) (@kaizen-insights-core) · 2025-04-10 · ♥ 2

Requesting the addition of a `VERCEL_CUSTOM_URL` environment variable or similar to simplify access to the deployment URL across different environments at runtime.

This would allow applications to access the correct deployment URL without needing to implement custom logic for different environments.

In my `prototype` Vercel project, it would look something like this across environments:

| Environment	| Branch	| `VERCEL_CUSTOM_URL` |
| --- | --- | --- |
| Production	| `production`	| `app.foo.com` |
| Staging	| `staging`	| `app.staging.foo.com` |
| Preview	| `main`	| `app.main.foo.com` |
| Preview	| `feature-branch`	| `app-git-feature-branch-foo-corp.vercel.app` |
| Development	| Any git branch	| `localhost:3000` |

This feature would enhance the usability of Vercel by allowing applications to easily access the correct deployment URL without needing to manage multiple environment variables or configurations.


Anshuman Bhardwaj (@anshumanb) · 2025-04-11

Hi @kaizen-insights-core, welcome to the Vercel Community!

Thanks for your valuable feedback. I've passed it on to the team.


Nicolas Gryman (@ngryman) · 2025-08-23 · ♥ 1

Hi,

I “think” this is what the OP is suggesting, but I would need something similar to `VERCEL_PROJECT_PRODUCTION_URL`  for any kind of environment, not just production. I would suggest something like `VERCEL_PROJECT_URL` or `VERCEL_STABLE_URL` 🤷‍♂️

One of the most common example for having stable URLs in all environments is testing OAuth2 apps that need a redirect URI.

Thanks!


Corey Coto (Kaizen Insights) (@kaizen-insights-core) · 2025-08-25

Exactly right. The impetus for this request is for auth redirect URIs across all environments.