@Fayza Without seeing any error it is impossible for us to solve a specific problem. That said, I have some suggestions. 1. Always make sure you have a working api call. For example: Use Postman. You need to 100% know the call is working, auth, headers, proper format, proper payload, etc. This also makes sure the receiving end is open (networking, firewall, etc). 2. Test invokteHTTP without routing fail,retry,no-retry back to the processor. I use an output port for everything other than response. In testing, you need to know what happened. Inspect flowfile attributes inside of fail,retry, no-retry, to get more details. When i know my flow works, i may auto terminate, or re-route failure back to processor again, but NOT during testing/creation of the flow. 3. Last but not least, make sure that nifi host(s) are able to reach the endpoint. I suspect this is the issue you are bumping into. If you get invokeHttp talking to the endpoint, you should be seeing more details as to what if any errors are in the mutation payload.
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