> ## Documentation Index
> Fetch the complete documentation index at: https://docs.runalloy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Bearer Token Authentication

> Alloy's [Custom Connector](/embedded/custom-connector) supports the most popular authentication types allowing you to easily configure end-user authentication for third-party apps we don't support natively. The [Alloy modal](/embedded/alloy-modal) makes it easy to support Bearer token authentication.

To set up a Bearer token authentication flow, follow the steps below:

<Steps>
  <Step>
    Follow the instructions to [Create a Custom Connector](/embedded/custom-connector#creating-a-custom-connector).
  </Step>

  <Step>
    Navigate to the Authentication step. Switch to the Bearer token Authentication screen by clicking on the **Bearer** tab in the modal.

    <Frame>
      ![](https://alloy-assets.s3.amazonaws.com/alloy-docs/embedded/custom-connector/bearer/1.png)
    </Frame>
  </Step>

  <Step>
    Input your **Token** to authenticate your new Custom Connector. The Bearer token is passed in the Authorization header with every request to authenticate it.
  </Step>

  <Step>
    Hit the **Save Credential** button. Then, click **Continue** to continue setting up your Custom Connector.
  </Step>
</Steps>