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Outbound Fax Failure

Zachxx

Sent to - https://faxus1.xmedius.com/faxservice/rest

Request

{"faxOptions":{},"userId":"CERTEFR@mtb.com","subject":"denial","recipients":[{"number":"7163064380","name":"fg"}],"comment":""}

Response

Status code response from Outbound Fax request: NotFound (00000000)

Requesting more details on why this request is failing. Thanks

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Accepted answers

LaurenceLabonté

Based on the payload you shared, the metadata object is not present in the request body. The Core Fax REST API expects this parameter as shown in the example from the documentation:

https://developer.opentext.com/ce/products/core-fax/tutorials/get-started-with-core-fax-rest-api/3

All comments

LaurenceLabonté

The url you mention is only the endpoint. To make a rest call, you must add the rest of the url based on the method you want to call. For a send fax, the url should have the format: https://{{api_endpoint}}/v1/fax/send

See curl example at: https://developer.opentext.com/ce/products/core-fax/tutorials/get-started-with-core-fax-rest-api/3

Zachxx

Thanks Laurence

We have updated endpoint to https://faxus1.xmedius.com/faxservice/rest/v1/fax/send

Sent this request: {"faxOptions":{},"userId":CERTEFR@mtb.com,"subject":"denial","recipients":[{"number":"7163064380","name":"fg"}],"comment":"","time":"2026-07-14T10:28:56:130Z"}

Received this Response: ":"One or more elements is missing","errorCode":202,"detail":"You need to specify the metadata parameter.","time":"2026-07-14T14:28:56.471Z"}

This was sent today 10:28am EST, if you need to look at any logs on your side.

We are looking to know what is incorrect in our request to generate this error response

LaurenceLabonté

Based on the payload you shared, the metadata object is not present in the request body. The Core Fax REST API expects this parameter as shown in the example from the documentation:

https://developer.opentext.com/ce/products/core-fax/tutorials/get-started-with-core-fax-rest-api/3