> ## Documentation Index
> Fetch the complete documentation index at: https://nango-wari-migrated-bigcommerce-docs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Sellsy (Client Credentials) - How do I link my account?

# Overview

To authenticate with Sellsy (Client Credentials), you need two key pieces of information:

1. **Client ID** - A unique identifier for your client.
2. **Secret shopper** - A confidential key used to authenticate the identity of the application (client).

This guide will walk you through obtaining these credentials within Sellsy.

### Prerequisites:

* You must have an account with Sellsy.

### Instructions:

#### Step 1: Generating your Client Credentials

1. Navigate to your [Developer page](https://www.sellsy.com/developer/api-v2).
   <img src="https://mintcdn.com/nango-wari-migrated-bigcommerce-docs/CR_zovwKlY3JikWW/integrations/all/sellsy-oauth2-cc/developer_portal.png?fit=max&auto=format&n=CR_zovwKlY3JikWW&q=85&s=88f9f2e106c27ac32001ed31ec7562f4" width="3024" height="1298" data-path="integrations/all/sellsy-oauth2-cc/developer_portal.png" />
2. Click **Create API access** and select **Staff**.
3. Fill in all the required information and select the permissions you want to give to your API access.
   <img src="https://mintcdn.com/nango-wari-migrated-bigcommerce-docs/CR_zovwKlY3JikWW/integrations/all/sellsy-oauth2-cc/create_api_access.png?fit=max&auto=format&n=CR_zovwKlY3JikWW&q=85&s=35b1c0d10aa671250eedc2ac18d204b2" width="3024" height="1368" data-path="integrations/all/sellsy-oauth2-cc/create_api_access.png" />
4. Click **Save**.
5. After creating the app, copy the **Client ID** and **Secret shopper** that Sellsy will generate.
   <img src="https://mintcdn.com/nango-wari-migrated-bigcommerce-docs/CR_zovwKlY3JikWW/integrations/all/sellsy-oauth2-cc/credentials.png?fit=max&auto=format&n=CR_zovwKlY3JikWW&q=85&s=3c111f3e191703abed967e350f18ba9b" width="3024" height="1368" data-path="integrations/all/sellsy-oauth2-cc/credentials.png" />

#### Step 2: Enter credentials in the Connect UI

Once you have both the **Client ID** and **Secret shopper**:

1. Open the form where you need to authenticate with Sellsy (Client Credentials).
2. Enter the **Client ID** and **Secret shopper** in their designated fields.
3. Submit the form, and you should be successfully authenticated.

<img src="https://mintcdn.com/nango-wari-migrated-bigcommerce-docs/CR_zovwKlY3JikWW/integrations/all/sellsy-oauth2-cc/form.png?fit=max&auto=format&n=CR_zovwKlY3JikWW&q=85&s=3e1336c063d7f99ebb5f97c2cd53488e" style={{maxWidth: "450px" }} width="501" height="700" data-path="integrations/all/sellsy-oauth2-cc/form.png" />

You are now connected to Sellsy (Client Credentials).