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

# Lob - How do I link my account?

# Overview

To authenticate with Lob, you need:

1. **Secret API Key** - Your Lob API key used as the username for Basic authentication.

This guide will walk you through obtaining your **Secret API Key** within Lob.

### Prerequisites

* An active [Lob](https://www.lob.com/) account.

### Instructions

#### Step 1: Getting your Secret API Key

1. Log in to your Lob dashboard and navigate to the [Settings](https://dashboard.lob.com/settings/api-keys) page.
2. Copy the Secret API Key based on the environment you want to connect to.

<img src="https://mintcdn.com/nango-marcin-get-deployments-docs/pMmrQEHxzzVBg1I3/api-integrations/lob/api_key.png?fit=max&auto=format&n=pMmrQEHxzzVBg1I3&q=85&s=7d09be9d9b4573feb2035cc84bbe19d3" width="1919" height="653" data-path="api-integrations/lob/api_key.png" />

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

Once you have your **Secret API Key**:

1. Open the form where you need to authenticate with Lob.
2. Enter your **Secret API Key** in the Secret API Key field.
3. Submit the form, and you should be successfully authenticated.

<img src="https://mintcdn.com/nango-marcin-get-deployments-docs/pMmrQEHxzzVBg1I3/api-integrations/lob/form.png?fit=max&auto=format&n=pMmrQEHxzzVBg1I3&q=85&s=b2ee94664c424781f3d27ae84b5ee6bf" style={{maxWidth: "450px" }} width="499" height="698" data-path="api-integrations/lob/form.png" />

You are now connected to Lob.