authentication.qmd

# Tell APIs who you are {#sec-httr2-authentication}

## Introduction

*(introduction will be written \~last)*

### Learning Objectives

After you read this chapter, you will be able to:

-   Provide information in your request about how you're accessing the API. 
-   Find authentication information in API docs.
-   Authenticate a request with an API key.
-   Authenticate a request with OAuth.

### Prerequisites

*(prerequisites will be filled in as I write, if I decide to keep this section)*