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Using UCM from Rest API to Upload attachments

Tentu VenkataratnamApr 7 2026 — edited Apr 7 2026

Hi everyone,

I’m new to Oracle Fusion and currently trying to upload an attachment to an Item (Product Information Management / Item Master) using an Oracle APEX UI.

From my understanding so far, the process seems to be:

  1. Upload the file to UCM to generate a DocumentId
  2. Use that DocumentId in the Item Attachment API

However, I’m struggling to get started and would appreciate some guidance.

Here are my main questions:

  • Does Fusion UCM allow direct file uploads via REST API by default?
  • If yes, where can I find official and detailed documentation for the UCM REST APIs?
  • Are there any required configurations beforehand (e.g., roles, permissions, endpoints, or setup steps)?
  • Is SOAP the correct approach here, or should I be using REST APIs instead?

My requirement is to perform the entire process via APIs (triggered from APEX), not through the Fusion UI.

At the moment, I feel like I’m missing a key step in the process. I expected file upload to be straightforward, but I haven’t been able to find a clear end-to-end example for this use case.

Any guidance, documentation links, or working examples would be greatly appreciated.

Thanks in advance!

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Added on Apr 7 2026
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