> For the complete documentation index, see [llms.txt](https://guides.clickatell.com/integrations/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guides.clickatell.com/integrations/zendesk-sell/add-new-developer-app-zendesk-sell.md).

# Add new Developer App - Zendesk Sell

{% hint style="success" %}
If you’ve already set up a Developer App for your integration with Clickatell, [follow these steps](/integrations/zendesk-sell/find-configuration-details-zendesk-sell.md) to find the required integration details.
{% endhint %}

To [integrate ](/integrations/getting-started/adding-a-new-integration.md)with Zendesk Sell, you need to copy over the **Client ID** and **Client Secret** from Zendesk Sell into the Clickatell Portal. These are unique and get generated when you add a new Connected App in Zendesk Sell. 

## Create a new Connected App in Zendesk Sell

{% hint style="warning" %}
An admin user must log in to your Zendesk Sell account.
{% endhint %}

1. Click the *Settings* icon -> *OAuth* -> *Developer apps.*
2. Click *Add Developer App.*

<figure><img src="/files/budoHzndNUIFYuPFZIOd" alt=""><figcaption></figcaption></figure>

3. Complete the required fields:
   * **Name:** Give a name to your new Developer App in Zendesk Sell.
   * **Description:** Describe your new Developer App.
   * **Website:** Add the link to your company website (must start with *https\://*).
   * **Redirect URL:** *<https://authentication-service.clickatell.com/authorize/result>*
4. Click *Save*.

<figure><img src="/files/Yxi6kxb6pFi2NKcnL93F" alt=""><figcaption></figcaption></figure>

5. Open the details of the Developer App you’ve just created to [find the configuration details](/integrations/zendesk-sell/find-configuration-details-zendesk-sell.md) required in the Clickatell Portal.

<figure><img src="/files/2vlL3SzmmxSEvrPSIkvv" alt=""><figcaption></figcaption></figure>