---
title: Serp credentials
description: Documentation for the Serp credentials. Use these credentials to authenticate Serp in n8n, a workflow automation platform.
contentType: [integration, reference]
priority: high
---

# Serp credentials

You can use these credentials to authenticate the following nodes:

* [Serp](/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.toolserpapi.md)

## Prerequisites

Create a [SerpApi](https://serpapi.com/) account.

## Supported authentication methods

- API key

## Related resources

Refer to [Serp's API documentation](https://serpapi.com/search-api) for more information about the service.

--8<-- "_snippets/integrations/builtin/cluster-nodes/langchain-overview-link.md"

## Using API key

To configure this credential, you'll need:

- An **API Key**

To get your API key:

1. Go to **Your Account >** [**API Key**](https://serpapi.com/manage-api-key).
2. Copy **Your Private API Key** and enter it as the **API Key** in your n8n credential.