Actions3
- Barcode Actions
Overview
The "Mallabe Barcodes" node provides functionality to generate and scan various types of barcodes, including popular formats like UPC, EAN, Code 128, Code 39, Interleaved 2 of 5, and QR codes. This node is useful in scenarios where automated barcode creation or decoding is needed, such as inventory management, product labeling, ticketing systems, or any workflow requiring barcode integration.
Specifically, the Generate Barcode operation allows users to create a barcode image from a given message/content string in a selected barcode format. Users can choose to either download the generated barcode image directly into the workflow or receive a URL link to the image. Optionally, a webhook URL can be provided to receive the generated data asynchronously.
Practical Examples
- Automatically generating UPC-A barcodes for new products added to an e-commerce catalog.
- Creating Code 128 barcodes for shipping labels in a logistics workflow.
- Generating EAN-13 barcodes for retail items with direct download of the image for printing.
- Using a webhook URL to trigger downstream processes once the barcode generation completes.
Properties
| Name | Meaning |
|---|---|
| Barcode Type | The type/format of barcode to generate. Options: Code 128, Code 39, EAN-13, EAN-8, Interleaved 2 of 5, UPC-A, UPC-E |
| Message | The content/message to encode inside the barcode. |
| Download Image? | Whether to download the generated barcode image as binary data within the workflow (true) or just return a URL link (false). |
| Put Output File In Field | When downloading the image, the name of the output field where the binary file data will be stored. Default is data. |
| Webhook URL (Optional) | Optional URL to which the generated barcode data will be sent after creation. |
Output
- If Download Image? is set to
false, the node outputs JSON containing at least aurlfield pointing to the generated barcode image hosted on a CDN. - If Download Image? is set to
true, the node outputs:- A JSON object with the full response data from the barcode generation API.
- A binary property containing the actual image file data under the user-specified output field name (default
"data").
The binary data represents the barcode image file ready for further processing or saving.
Dependencies
- Requires an active connection to the Mallabe Barcodes API service.
- Needs an API authentication credential configured in n8n to authorize requests to the Mallabe Barcodes API.
- No additional environment variables are explicitly required beyond the API credential.
Troubleshooting
Common Issues:
- Invalid barcode type or unsupported message format may cause API errors.
- Network or authentication failures when connecting to the Mallabe Barcodes API.
- Incorrect output field name when downloading the image could lead to missing binary data.
Error Messages:
- Errors returned by the API typically include descriptive messages about invalid parameters or authentication issues.
- If the node throws an error related to missing credentials, ensure the API key credential is properly set up.
Resolutions:
- Verify that the barcode type matches one of the supported options.
- Confirm the message content is valid for the chosen barcode type.
- Check API credentials and network connectivity.
- When enabling image download, ensure the output field name does not conflict with existing fields.
Links and References
- Mallabe Barcodes API Documentation (example placeholder, replace with actual if available)
- Barcode Types Explained
- n8n Documentation on Binary Data Handling
This summary is based solely on static analysis of the provided source code and property definitions.