Automated API Documentation Generator for n8n Webhooks
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This n8n workflow automatically generates interactive API documentation (Swagger UI) for your n8n webhooks. It analyzes your workflow and creates a dynamic, accessible interface for your API endpoints.
About This Workflow
Effortlessly transform your n8n webhook endpoints into interactive API documentation. This workflow leverages the power of n8n's nodes to scan your workflow, identify webhook configurations, and dynamically generate a Swagger 2.0 specification. The generated specification is then rendered as a user-friendly Swagger UI, allowing you to visualize, test, and understand your API endpoints directly within your browser. It's an ideal solution for teams looking to streamline API management and improve developer experience within their n8n automation projects.
Key Features
- Dynamic Swagger Generation: Automatically creates a Swagger 2.0 specification from your n8n workflow.
- Interactive Swagger UI: Renders the generated specification into an easy-to-use, interactive Swagger UI.
- Webhook Parameter Support: Parses custom annotations in webhook notes to define query and body parameters.
- Flexible Response Handling: Adapts to different webhook response types (JSON, text, redirect) for accurate documentation.
- Workflow Integration: Seamlessly integrates into your existing n8n workflows.
How To Use
- Trigger Node: Ensure your workflow starts with a node that can trigger the documentation generation, such as the 'Get Swagger' webhook node.
- n8n Node: The 'n8n' node retrieves information about your active workflows.
- Code Node: This is the core of the workflow. It processes the workflow data, identifies webhooks and their responses, and constructs the Swagger YAML.
- Custom Annotations: For detailed parameter documentation, add annotations to your webhook notes using the format
//@query field_name string descriptionor//@body field_name string description.
- Custom Annotations: For detailed parameter documentation, add annotations to your webhook notes using the format
- Respond to Webhook Node: This node takes the generated Swagger YAML and embeds it within an HTML page that initializes and displays the Swagger UI.
- Access Documentation: Trigger the workflow. The output will be an HTML page rendered by the 'Respond to Webhook' node, showcasing your interactive API documentation.
Apps Used
Workflow JSON
{
"id": "d03e40a4-ce73-4ac9-95f6-15197f4ba44d",
"name": "Automated API Documentation Generator for n8n Webhooks",
"nodes": 27,
"category": "DevOps",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
Get This Workflow
ID: d03e40a4-ce73...
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