content_image/981539.jpg content_image/981540.jpg
<img src='content_image/981539.jpg'>

## Adding the OAuth definition to the API 

Perform the following steps: 

1. From the left side menu, click on Develop , then choose the API you want to secure. See Figure 6-176. 

<img src='content_image/981540.jpg'>

2. Click Security Definitions  then click Add . See Figure 6-177. 

