# Authorization

Every request to our service must include an `Authorization` header.

You can retrieve your Authorization header from the **Account Portal** under **Account Details**. Use this header for submitting transactions, accessing streams, and checking your account usage.

![](https://content.gitbook.com/content/ZgMW6iwGsmn9ejYuG9vP/blobs/ytgVJhkVGK1nDgH1ewNY/Screen%20Shot%202020-12-28%20at%201.43.47%20PM.png)