# Creating an Extended API Key

{% embed url="<https://www.youtube.com/watch?v=3spwtgbEYyk>" %}

#### Prerequisites

Before starting, ensure you have:

* An account on Extended with some Assets deposited, you can sign up to Extended [here](https://app.extended.exchange/join/INSILICO).

Go to the Extended API Management page and click **Generate API Key** for the account you want to connect.&#x20;

<figure><img src="https://1855557010-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FuzWZkA5631kraBpRETyN%2Fuploads%2F4SZW1kXuBJkVYWHphXIp%2FScreenshot%202026-04-07%20at%2013.29.09.png?alt=media&#x26;token=202385ee-be4f-45f2-a3b0-eefbc9257948" alt=""><figcaption></figcaption></figure>

After that click **Show API Details** and copy your:

* API Key
* Stark Key Public
* Stark Key Private
* Vault Number

into the respective fields inside the Terminal.

<figure><img src="https://1855557010-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FuzWZkA5631kraBpRETyN%2Fuploads%2FcoN8GsssWXNlJO2FcD9j%2FScreenshot%202026-04-07%20at%2013.31.25.png?alt=media&#x26;token=1d6fcda9-49d4-45f4-af13-225dd3686178" alt=""><figcaption></figcaption></figure>

After that, give your account a name and click connect.&#x20;

That's it! You can now trade on Extended through Insilico Terminal. <br>

{% hint style="info" %}
The builder fee on Extended is 1bps.
{% endhint %}