> ## 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.

# 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/Fl15YxEp6Pu5f3L1/api-integrations/lob/api_key.png?fit=max&auto=format&n=Fl15YxEp6Pu5f3L1&q=85&s=abd2f7f1d833aa5605f3dcbb628c91e4" 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/coklzbLYgMV7qD2M/api-integrations/lob/form.png?fit=max&auto=format&n=coklzbLYgMV7qD2M&q=85&s=f626411a60ff80a254053b2f62f81b44" style={{maxWidth: "450px" }} width="499" height="698" data-path="api-integrations/lob/form.png" />

You are now connected to Lob.