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

# Copper - How do I link my account?

# Overview

To authenticate with Copper, you need one key piece of information:

1. **API Key** - Your Copper API Key

This guide will walk you through finding or creating those credentials within Copper.

### Prerequisites:

* You must set up an account with Copper.

#### Step 1: Finding Copper API Key

1. Log into your Copper account and navigate to `System settings` > `Integrations` > `API Keys` and click the `GENERATE API KEY` button.

<img src="https://mintcdn.com/nango/NOoh2SaXumw3Gno2/integrations/all/copper-api-key/copper_key.png?fit=max&auto=format&n=NOoh2SaXumw3Gno2&q=85&s=a436456e9ce776aea803b6d1141e1d87" width="1511" height="846" data-path="integrations/all/copper-api-key/copper_key.png" />

2. After generating a new token, securely copy your API Key. Also note your email address related to the API key.

#### Step 2: Connect Your Copper Account

<img src="https://mintcdn.com/nango/NOoh2SaXumw3Gno2/integrations/all/copper-api-key/nango_connect_ui.png?fit=max&auto=format&n=NOoh2SaXumw3Gno2&q=85&s=88ac889447d7563c125f90e9d19a5072" width="1000" height="1392" data-path="integrations/all/copper-api-key/nango_connect_ui.png" />

To authenticate using your API credentials, navigate to the Copper authentication form.
Enter your credentials as follows:

* API Key: Your API key
* User Email: Your email that created the API Key

Click "Connect" to complete the authentication.