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Halo PSA

Consume Halo PSA API

Actions795

Invoice Change → Post Undefined

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Overview

This node integrates with the Halo PSA API to perform various operations on different resources. Specifically, for the Invoice Change resource with the Post Undefined operation, it sends a POST request to the Halo PSA API endpoint related to invoice changes. The node allows sending a custom JSON body in the request, enabling users to create or modify invoice change data dynamically.

Common scenarios where this node is beneficial include automating invoice adjustments, posting updates to invoice records, or integrating invoice change workflows into broader automation pipelines. For example, a finance team could use this node to automatically post invoice corrections received from an external system without manual intervention.

Properties

Name Meaning
Body A JSON object representing the request payload sent to the Halo PSA API for the invoice change. This allows full customization of the data posted to the invoice change endpoint.

Output

  • The node outputs an array of JSON objects corresponding to each input item processed.
  • Each output item contains a json field with the response data returned by the Halo PSA API after posting the invoice change.
  • If the API call fails and "Continue On Fail" is enabled, the output will contain an error message inside the json.error field.
  • The node does not output binary data.

Dependencies

  • Requires valid credentials for the Halo PSA API, including:
    • Base URL of the Halo PSA instance
    • Tenant identifier
    • Client ID
    • Client Secret
  • These credentials must be configured in n8n prior to using the node.
  • The node uses HTTP requests to communicate with the Halo PSA REST API.

Troubleshooting

  • No credentials returned!
    This error occurs if the node cannot retrieve the required API credentials. Ensure that the Halo PSA API credentials are correctly set up in n8n.

  • Resource or Operation not found
    Indicates that the specified resource or operation does not exist in the node's configuration. Verify that "Invoice Change" is selected as the resource and "Post Undefined" as the operation.

  • JSON parsing errors
    Since the "Body" property expects valid JSON, malformed JSON input will cause errors. Validate the JSON syntax before running the node.

  • API request failures
    Network issues, invalid credentials, or incorrect request bodies can cause the API to return errors. Check the error messages returned in the output and verify API access and payload correctness.

Links and References

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