# Dropbox Plugin Custom Header doesn't work

**URL:** <https://community.transloadit.com/t/dropbox-plugin-custom-header-doesnt-work/15239>\
**Category:** Uppy\
**Created:** [March 27, 2020, 11:30am UTC](https://community.transloadit.com/t/dropbox-plugin-custom-header-doesnt-work/15239 "2020-03-27T11:30:36Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![insanity54](https://avatars.discourse-cdn.com/v4/letter/i/ea5d25/32.png) [@insanity54](https://community.transloadit.com/u/insanity54)\
**Post date:** [May 5, 2023, 10:00pm UTC](https://community.transloadit.com/t/dropbox-plugin-custom-header-doesnt-work/15239/3 "2023-05-05T22:00:10Z")

</div>

Did you ever find a solution? I’m running into the same issue using AwsS3Multipart

```auto
        .use(AwsS3Multipart, {
          limit: 6,
          companionUrl: 'http://localhost:5000',
          companionHeaders: {
            Authorization: 'Bearer my_token_here',
            'X-My-Cool-Header': 'Tacos for dinner? Yes please!'
          },
        })

```

I’m looking in my browser tools network requests tab and I’m not seeing Authorization, X-My-Cool-Header, or Uppy-Versions in the POST request.

**Edit** found the solution [here](https://community.transloadit.com/t/unable-to-send-additional-headers-to-companion-with-awss3multipart/15094) (It was a CORS misconfiguration.) Today I learned that the browser won’t send headers it doesn’t have permission to send.

---

_[View the full topic](https://community.transloadit.com/t/dropbox-plugin-custom-header-doesnt-work/15239)._