Upload file attachment using REST API

Question

We have a need to build an integration with QuickBase that needs to include file attachments. In searching the QuickBase documentation, we have found an API call using XML for uploading attachments, but the REST API documentation only mentions API calls for downloading and deleting attachments.

Is there a way to upload a file attachment using a JSON message and the REST API? If so, can someone point me to the documentation?

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Theo Pozzy
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DougHenning1 · Answer

Hey Theo, you can use the records upsert API to upload attachments:

https://developer.quickbase.com/operation/upsert

This page about file types shows that the attachment file data needs to be Base64 encoded:

https://developer.quickbase.com/fieldInfo

Example file attachment value:

{
  "value": {
    "fileName": "report.pdf",
    "data": "aHR0cHM6Ly9lbi53aWtpcGVkaWEub3JnL3dpa2kvQyUyQiUyQg=="
  }
}

Hope that helps!

------------------------------
Doug Henning
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