Thanks @Nagashree B. Now everything is working as expected Few questions though -In Target EndPoints why are we setting 4xx and 5xx as success code?1xx,2xx,3xx,4xx,5xxIs it to continue with calling servicecallout in case of 4xx or 5xx?

Thanks a lot @Nagashree B. Seems I am very close to the solution Just one more thing. I need to pass all request parameters and headers (getting from client app for calling caching service) to the actual service. How can I update assign-message poli...

Thanks @Nagashree B. Apigee response caching was the best solution but we could not use it because response size is big. I tried service call out policy with DefaultFaultRule and seems its getting called. But how can I send back response from service...

Thanks @Nagashree B. My use case is - I have a proxy where my target end point is a cache service which is returning response from cache. If anything goes wrong in cache service (e.g. if service is down) then I need to call actual service to get the ...