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  • Pankaj Verma 12
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3 replies

API returning 503 Service Unavailable, although the server never receives a request from Salesforce.

Our SF team was consuming a third party API, but without change in any code the response returned now is  
Unable to tunnel through proxy. Proxy returns "HTTP/1.0 503 Service Unavailable"

The API is actually not receiving any request on the server side, so they are unable to help. Thus asking if someone else has had a similar issue and a viable solution for the same.
3 replies

API returning 503 Service Unavailable, although the server never receives a request from Salesforce.

Our SF team was consuming a third party API, but without change in any code the response returned now is  
Unable to tunnel through proxy. Proxy returns "HTTP/1.0 503 Service Unavailable"

The API is actually not receiving any request on the server side, so they are unable to help. Thus asking if someone else has had a similar issue and a viable solution for the same.