This n8n workflow implements a secure API key validation system for webhooks, ensuring only authorized users can access your services. The process begins with a public webhook endpoint that listens for POST requests containing an ‘x-api-key’ header. When a request is received, the workflow verifies the provided API key against a predefined list of valid keys, which simulates a database. If the key is recognized, the workflow responds with a success message including the user ID; if not, it returns a 401 Unauthorized error, prompting for a valid API key. The workflow also includes sticky notes and visual aids to guide users through the setup, making it suitable for scenarios requiring secure API access, such as integrating third-party services, automating internal processes, or protecting sensitive endpoints.
Secure API Key Validation for Webhook Authentication
| Node Count | 11 – 20 Nodes |
|---|---|
| Nodes Used | filter, httpRequest, if, respondToWebhook, set, splitOut, stickyNote, webhook |
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