{"id":131383,"date":"2025-07-18T04:30:18","date_gmt":"2025-07-18T04:30:18","guid":{"rendered":"\/tutorials\/?p=131383"},"modified":"2026-03-09T19:16:20","modified_gmt":"2026-03-09T19:16:20","slug":"n8n-api","status":"publish","type":"post","link":"\/ng\/tutorials\/n8n-api","title":{"rendered":"How do I use an API with n8n on a self-hosted setup?"},"content":{"rendered":"

Integrating an application programming interface (API) with n8n can be complicated because every API provider has specific requirements for connecting their service. Nevertheless, n8n’s code-minimal workflow can allow you to create a highly efficient yet easy-to-maintain data pipeline that will benefit a wide range of automation scenarios.<\/p>

Integrating an API into your n8n workflow consists of ten steps:<\/p>

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  1. Set up self-hosted n8n on a private server<\/li>\n\n\n\n
  2. Enable API access<\/li>\n\n\n\n
  3. Authenticate the API call<\/li>\n\n\n\n
  4. Test the API functionality<\/li>\n\n\n\n
  5. Add your API endpoint to n8n<\/li>\n\n\n\n
  6. Add a trigger method node into your n8n canvas<\/li>\n\n\n\n
  7. Create a workflow using other nodes<\/li>\n\n\n\n
  8. Configure the node settings and data logic<\/li>\n\n\n\n
  9. Test your workflow<\/li>\n\n\n\n
  10. Secure your workflow<\/li>\n<\/ol>

    Note that creating an efficient workflow goes beyond these steps and involves properly maintaining its security and scalability. To improve your workflow maintainability, consider using the OneSimpleAPI node, which offers pre-configured API endpoints for basic tasks that you can manage directly in n8n, unlike other third-party APIs.<\/p>

    Read on to learn about n8n-API integration in detail, explore tips for securing your workflow, and dive into some common usage scenarios.<\/p>

    \n\n\n\n<\/p>

    How to use an API with n8n, step-by-step<\/strong><\/h2>

    In this section, we’ll go into all the steps for integrating an API with your n8n instance.<\/p>

    1. Set up your self-hosted n8n instance<\/strong><\/h3>

    Before creating a workflow and integrating an API, you’ll need to set up your n8n instance. In this tutorial, we’ll focus on the self-hosted version because it offers more control and is more affordable than the official plan.<\/p>

    Self-hosting n8n requires a virtual private server (VPS) hosting plan. You can use one from any provider as long as it offers sufficient hardware resources to ensure your workflow runs responsively and adequately.<\/p>

    Since we are creating a simple workflow, a server with 1 vCPU core <\/strong>and 1 GB of RAM <\/strong>is enough, but you’ll need more hardware resources if you plan to create multiple automation scenarios.<\/p>

    The steps to install n8n<\/a> remain the same regardless of your VPS provider. However, we recommend Hostinger’s n8n hosting plan if you want a straightforward, command-free configuration process.<\/p>

    \"\"<\/a><\/figure>

    After purchasing Hostinger’s n8n hosting plan<\/a>, our system will automatically choose the n8n template for your server. Then all you need to do to install n8n is complete the VPS onboarding process, which involves basic tasks like setting up a hostname and root password.<\/p>

    If you already have a Hostinger VPS, you can install n8n anytime in one click using the OS template<\/strong>. Before following this procedure, back up your files<\/a> because any existing data will be wiped. Here’s how to install n8n on your server:<\/p>

      \n
    1. In hPanel<\/strong>, navigate the sidebar<\/strong> and click VPS<\/strong>.<\/li>\n\n\n\n
    2. Hit Manage<\/strong> on the VPS you want to install n8n on.<\/li>\n\n\n\n
    3. Go to the sidebar<\/strong> → OS & Panel<\/strong> → Operating System<\/strong>.<\/li>\n<\/ol>
      \"The