# I am getting 400 Bad Request while getting access token through auth code

**URL:** <https://devforum.zoom.us/t/i-am-getting-400-bad-request-while-getting-access-token-through-auth-code/126497>\
**Category:** Authentication\
**Created:** [February 11, 2025, 2:14pm UTC](https://devforum.zoom.us/t/i-am-getting-400-bad-request-while-getting-access-token-through-auth-code/126497 "2025-02-11T14:14:03Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**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:** [February 12, 2025, 4:35pm UTC](https://devforum.zoom.us/t/i-am-getting-400-bad-request-while-getting-access-token-through-auth-code/126497/2 "2025-02-12T16:35:11Z")

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Hi @Bilal1  
Could you please review the following post and let me know if that helps?

> [@Guide: Making a Zoom API Call with OAuth Credentials in Postman](https://devforum.zoom.us/t/guide-making-a-zoom-api-call-with-oauth-credentials-in-postman/64538):
>
> To publish an app on the Zoom Marketplace you must create an [OAuth app](https://marketplace.zoom.us/docs/guides/build/oauth-app/). When you’re ready to test making API calls, download the latest version of Postman and import the Zoom API collections following the steps outlined [here](https://marketplace.zoom.us/docs/guides/guides/postman/using-postman-to-test-zoom-apis/). There are Three Ways to Set up OAuth in Postman to Make API Requests We’re going to go through three ways to set up our OAuth application credentials to successfully authorize and access the Zoom API to make requests. The “Easy” Difficulty OAuth 2.0 Set Up in Postman We’…

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