--- 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](/08-0-0-Workflow/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. ```{include} ../../../../_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.