> For the complete documentation index, see [llms.txt](https://docs.1dex.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.1dex.com/developer/getting-started/apply-api-key.md).

# Apply API Key

After creating the sub-account, go to the Sub-Account Management page and find the API Key in the list. Click to copy it to your program, and you will be able to access the relevant trading information and more for that sub-account.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXd4jkyHPXBfOOJVZKJFQVgAa7rPYi7LO4Y2uGBFsvRGZML7VF8sUUtJPPEr_of_wPBsdD7RxxCgntIhSWiJaiTosS5B5Hz3IhMa6f63ep0upU-efv9Rh25Nf9uXEIeXiOBWMg5wdg?key=TerWG0tb0-4NBBi7goDou6kh" alt=""><figcaption></figcaption></figure>