3781982 - Application custom attributes not displayed in Developer Hub after API update

Symptom

When creating or updating custom attributes for an Application in SAP API Management programmatically, the API call returns a success response (HTTP 200), however the updated or newly created values are not reflected in the API Business Hub Enterprise (Developer Hub) portal UI.

A GET request to the same endpoint returns the expected values, confirming the data is written at the API layer. The discrepancy is between the API response and what the Developer Hub displays.

The following error may also appear when attempting to add a custom attribute directly through the Developer Hub UI:

"Unable to add a custom attribute. An error occurred while reading the response."

The issue occurs when custom attribute operations are performed against the API Portal service endpoint (apiportal-apiaccess) instead of the Developer Hub service endpoint (devportal-apiaccess).

Environment

API Management
SAP Integration Suite

Product

API Management all versions ; SAP Integration Suite all versions

Keywords

custom attributes, application custom attributes, Developer Hub, API Business Hub Enterprise, devportal-apiaccess, apiportal-apiaccess, not displayed, not updated, not reflected, portal UI, CRUD, OData, APIMgmt.Attributes, APIMgmt.Applications, ToAttributes, API Access plan, SAP Integration Suite, API Management , KBA , OPU-API-OD-DH , For Developer Hub Issues , Problem

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