Evolution API

Overview

The "Join Group" operation in the Group resource allows an instance to join a specified group using an invite code. This node is useful in scenarios where automated workflows need to programmatically add instances (such as users, devices, or services) to groups for collaboration, communication, or management purposes. For example, it can be used to onboard new devices into a network group or add users to a project team automatically based on external triggers.

Properties

Output

The node outputs a JSON array containing the result of the join group operation. The exact structure depends on the API response but typically includes confirmation details such as success status, joined group information, or error messages if the join failed. There is no indication that binary data is output by this node.

Dependencies

• Requires an API key credential for authenticating with the Evolution API.
• The base URL for API requests is https://doc.evolution-api.com/api-reference.
• Proper configuration of the API authentication credentials within n8n is necessary.

Troubleshooting

• Common Issues:
  • Invalid or expired invite code: The API may reject the join request if the invite code is incorrect or no longer valid.
  • Missing or incorrect instance name: The instance name must be provided and correctly formatted.
  • Authentication errors: Ensure the API key credential is correctly set up and has sufficient permissions.
• Error Messages:
  • "Operation not supported." — This indicates the selected operation is not implemented; verify the resource and operation names.
  • API errors related to authorization or validation will be returned from the Evolution API and should be checked in the node's output for troubleshooting.

Links and References

• Evolution API Documentation (base URL referenced in the node)