> ## 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.

# Reply.io - How do I link my account?

# Overview

To authenticate with Reply.io, you will need:

1. **API Key** - A key that grants secure access to the API, enabling authorized applications to interact with Reply.io resources and services.

This guide will walk you through finding your **API Key** within Reply.io.

### Prerequisites:

* You must have a Reply.io account.

### Instructions:

#### Step 1: Finding Your API Key

1. Log in to your [Reply.io account](https://app.reply.io) and navigate to **Settings > API Key**.
2. Your API key is displayed on this page. Click **Copy** to copy it to your clipboard.

<img src="https://mintcdn.com/nango-marcin-get-deployments-docs/NhzTBAtrtvQddgUT/api-integrations/reply-io/api_key.png?fit=max&auto=format&n=NhzTBAtrtvQddgUT&q=85&s=5c5f85a5248bcd5f27650c3fc76070f4" width="1916" height="825" data-path="api-integrations/reply-io/api_key.png" />

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

Once you have your **API Key**:

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

<img src="https://mintcdn.com/nango-marcin-get-deployments-docs/NhzTBAtrtvQddgUT/api-integrations/reply-io/form.png?fit=max&auto=format&n=NhzTBAtrtvQddgUT&q=85&s=b0949b7289cce8a635df3165b3b666e6" style={{maxWidth: "450px" }} width="499" height="700" data-path="api-integrations/reply-io/form.png" />

You are now connected to Reply.io.