# Error 500 when aouth through server to server **URL:** \ **Category:** API and Webhooks\ **Tags:** api\ **Created:** [July 31, 2024, 8:05am UTC](https://devforum.zoom.us/t/error-500-when-aouth-through-server-to-server/114708 "2024-07-31T08:05:21Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![elisa.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/elisa.zoom/32/47836_2.png) [@elisa.zoom](https://devforum.zoom.us/u/elisa.zoom)\ **Post date:** [July 31, 2024, 5:50pm UTC](https://devforum.zoom.us/t/error-500-when-aouth-through-server-to-server/114708/2 "2024-07-31T17:50:08Z")
Hi @powerbi Thanks for reaching out and welcome to our Developer Community! Could you please share with me the way you are generating your token? Here is a helpful guide on how to use S2S oauth app with Postman > [@How to user Server-to-Sever OAuth app with Postman](https://devforum.zoom.us/t/how-to-user-server-to-sever-oauth-app-with-postman/70848): > > How to use our Server-to-Server OAuth with Postman? As some of you might be aware of, our JWT app is being deprecated by June 2023 and we encourage you to migrate to the newly introduced [Server-to-Server OAuth App](https://marketplace.zoom.us/docs/guides/build/server-to-server-oauth-app) That being said, here is a quick and simple guide on how to use or new app with Postman As stated in our documentation here: This new app type facilitates OAuth-authenticated requests between servers without end-user involvement. And this grant type enable your private server a… --- _[View the full topic](https://devforum.zoom.us/t/error-500-when-aouth-through-server-to-server/114708)._