# Syncing with Vercel Custom Environments **URL:** \ **Category:** Need Help\ **Tags:** integration\ **Created:** [January 10, 2025, 4:38pm UTC](https://community.doppler.com/t/syncing-with-vercel-custom-environments/1745 "2025-01-10T16:38:39Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![arimgibson](https://sea2.discourse-cdn.com/flex016/user_avatar/community.doppler.com/arimgibson/32/1212_2.png) [@arimgibson](https://community.doppler.com/u/arimgibson)\ **Post date:** [January 10, 2025, 4:38pm UTC](https://community.doppler.com/t/syncing-with-vercel-custom-environments/1745/1 "2025-01-10T16:38:39Z")
Hi all! I was wondering if custom environments with Vercel are supported when setting up syncing? I only see the 3 pre-defined options available when trying to setup my sync (production, preview, development). Specifically trying to setup a custom “staging” environment I created in Vercel as the preview environment was giving me issues. ![image](https://us1.discourse-cdn.com/flex016/uploads/doppler/original/2X/1/19e9f9f7870abf22ddcd84848e27b13950ff5f68.png) Thanks! ---
**Author:** ![watsonian](https://sea2.discourse-cdn.com/flex016/user_avatar/community.doppler.com/watsonian/32/267_2.png) [@watsonian](https://community.doppler.com/u/watsonian)\ **Post date:** [January 10, 2025, 5:52pm UTC](https://community.doppler.com/t/syncing-with-vercel-custom-environments/1745/2 "2025-01-10T17:52:01Z")
Hi @arimgibson! Welcome to the Doppler Community! We do plan to support this, but this feature is very new on their end. They don’t currently have a public API for interacting with custom environments. Once they’ve published the required API endpoints for this, we’ll take a look at adding support for it! Regards, -Joel ---
**Author:** ![arimgibson](https://sea2.discourse-cdn.com/flex016/user_avatar/community.doppler.com/arimgibson/32/1212_2.png) [@arimgibson](https://community.doppler.com/u/arimgibson)\ **Post date:** [January 11, 2025, 5:24am UTC](https://community.doppler.com/t/syncing-with-vercel-custom-environments/1745/3 "2025-01-11T05:24:34Z")
Gotcha, thanks Joel! Makes a lot of sense 😊 I did manage to get the preview environment working, so despite another bug on their side I’m in a good place. Appreciate you! ---
**Author:** ![Dawid\_Stezychki](https://sea2.discourse-cdn.com/flex016/user_avatar/community.doppler.com/dawid_stezychki/32/1229_2.png) [@Dawid\_Stezychki](https://community.doppler.com/u/Dawid_Stezychki)\ **Post date:** [February 28, 2025, 2:34pm UTC](https://community.doppler.com/t/syncing-with-vercel-custom-environments/1745/4 "2025-02-28T14:34:51Z")
Hello, is there any progress? We’ve been manually overriding preview-specific env variables in CI for each preview deploy (without doppler, just hardcoded params passed to vercel build and vercel deploy) for a while but now Supabase introduced branching with integration to Vercel custom environments which makes it tempting to start using them but also almost a necessity since syncing three different tools gets very complicated. ---
**Author:** ![kegsimon](https://avatars.discourse-cdn.com/v4/letter/k/0ea827/32.png) [@kegsimon](https://community.doppler.com/u/kegsimon)\ **Post date:** [March 4, 2025, 10:21am UTC](https://community.doppler.com/t/syncing-with-vercel-custom-environments/1745/5 "2025-03-04T10:21:27Z")
Also interested in syncing Vercel custom environments, so please give an update on this topic ---
**Author:** ![Ryan\_Hanson](https://sea2.discourse-cdn.com/flex016/user_avatar/community.doppler.com/ryan_hanson/32/1183_2.png) [@Ryan\_Hanson](https://community.doppler.com/u/Ryan_Hanson)\ **Post date:** [March 18, 2025, 2:34pm UTC](https://community.doppler.com/t/syncing-with-vercel-custom-environments/1745/6 "2025-03-18T14:34:43Z")
Hello, Apologies for the delay here. We recently added support for Vercel custom environments, so this should be working! ---
**Author:** ![Dawid\_Stezychki](https://sea2.discourse-cdn.com/flex016/user_avatar/community.doppler.com/dawid_stezychki/32/1229_2.png) [@Dawid\_Stezychki](https://community.doppler.com/u/Dawid_Stezychki)\ **Post date:** [March 18, 2025, 3:21pm UTC](https://community.doppler.com/t/syncing-with-vercel-custom-environments/1745/7 "2025-03-18T15:21:22Z")
Is there any documentation how to set it up? Edit: I see how to add a long-living custom environment synchronization but I still don’t see support for branch-specific env variables: > **[Environment variables](https://vercel.com/docs/environment-variables#preview-environment-variables)** > > Learn more about environment variables on Vercel.