This n8n workflow automates the process of generating a QR code from data received through a webhook. It is designed to listen for incoming POST requests, extract specific data from the request, generate a QR code using an external API, and send the resulting QR code back to the requester. The workflow is useful for developers or businesses that need to automate QR code creation for URL links, product information, or other data inputs in real-time.
The workflow starts with a Webhook node configured to listen for POST requests at a specific path (e.g., ‘generate-qr’). When a request hits this webhook, the workflow triggers, capturing the JSON payload. The data (specified as ‘data’ or ‘sampleData’) from the request is then passed to an HTTP Request node, which calls an external QR code API (like ‘api.qrserver.com’) to generate a QR code image based on the provided data. The API call constructs the URL dynamically, inserting the received data into the QR code parameters.
Finally, the generated QR code image or URL is sent back as a response to the original HTTP request through a Respond to Webhook node. This setup allows for seamless, automated QR code generation in various practical contexts, such as embedding QR codes in emails, websites, or for mobile applications that require dynamic QR code creation.
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