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WaliChat

Interact with WaliChat WhatsApp API

Actions148

Files → Download File

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Overview

This node integrates with the WaliChat WhatsApp API, enabling users to perform various operations related to WhatsApp messaging and management. Specifically, for the Files resource with the Download File operation, it allows downloading files that have been sent or received via WhatsApp through the WaliChat platform.

Common scenarios where this node is beneficial include:

  • Automatically retrieving media files (images, documents, videos) shared in WhatsApp conversations for archival or processing.
  • Integrating WhatsApp file downloads into workflows such as CRM updates, document management systems, or automated content moderation.
  • Backing up important WhatsApp files to cloud storage or other services.

Practical example:

  • A user receives a document via WhatsApp and wants to automatically download and save it to their company’s cloud storage system using an n8n workflow triggered by incoming messages.

Properties

Name Meaning
File ID The unique identifier of the file to download. This ID is used to specify which file to retrieve from WaliChat.

The "File ID" property is required and must be provided to identify the exact file to download.

Output

The node outputs the downloaded file data. The output includes:

  • A json field containing metadata about the downloaded file (such as file name, size, type).
  • Binary data representing the actual file content, allowing subsequent nodes to process or store the file.

This enables workflows to handle the file directly, for example, saving it to disk, uploading to cloud storage, or sending it via email.

Dependencies

  • Requires an active connection to the WaliChat WhatsApp API.
  • Needs an API key credential configured in n8n to authenticate requests to WaliChat.
  • The node depends on the WaliChat API's availability and correct permissions to access outbound files.

Troubleshooting

  • Missing or invalid File ID: Ensure the "File ID" property is correctly set and corresponds to an existing file in WaliChat.
  • Authentication errors: Verify that the API key credential is valid and has sufficient permissions.
  • Network issues: Check connectivity to the WaliChat API endpoint.
  • File not found or deleted: The requested file might have been removed or is inaccessible; confirm its existence in the WaliChat system.
  • Binary data handling: Downstream nodes must support binary data to process the downloaded file correctly.

If the node throws errors related to these areas, reviewing the input parameters and credentials usually resolves the issue.

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