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Unable To Access External REST Service Due To CORS Error (Doc ID 2897101.1)

Last updated on FEBRUARY 21, 2024

Applies to:

Visual Builder Studio - Version 22.10.0 and later
Information in this document applies to any platform.


Just completed deploying a new  environment.

As part of this deployment, attempting to confirm some REST integrations between a VBCS web application and a REST service.

Getting a CORS error. The console log of the activity shows the following error:


Access to Fetch at '<SERVICE _URL>' from origin '<VISUAL BUILDER HOST>' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to no-cors to fetch the resource with CORS disabled.

Failed to load resource: net::ERR_FAILED

Tried all the available options for Connection Type on the service connection and none work.


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