Where are errors logged if the REST API returns an error?

[bonsai]

I manage two ServiceNow instances.

These two instances send and receive records via the REST API.

At one point, the status code for a REST action was anything other than 200.

The error message from the sending instance included "unknown tag 28," and the REST result was poor.

I suspected an error was occurring on the receiving side as well, but I don't know which table to check. Nothing was recorded in the system logs.

Does anyone know which table to investigate?

[Tanushree Maiti]

Hi @bonsai 

Check Outbound HTTP Requests.

To check the Outbound HTTP logs.

 Filter Navigator -> Outbound HTTP Requests.

Locate the outbound call that was made. (search by URL , by hostname if possible and probable time)

Open the log record

Check two tab is there  Request and response. You will able to see payload there.

If full payload you are not able to see, there is some properties needs to update (which you can do in sub-prod) temporarily and debug the issue.

[yashkamde]

Hello @bonsai ,

Did you checked in "Outbound HTTP  Requests" :

Also alternatively, 

Outbound from ServiceNow - use below link and understand how to enable the log level :

https://developer.servicenow.com/blog.do?p=/post/outbound-http-logging/ 

If my response helped mark as helpful and accept the solution.

[Dinesh_Now]

Hello @bonsai 

Good day,

May be try to check in "Outbound HTTP  Requests" 

Please refer below links for your query. it will help you for sure.

https://developer.servicenow.com/blog.do?p=/post/outbound-http-logging/

Query similar.

https://www.servicenow.com/community/api-insights-forum/error-logs-for-a-specific-rest-api-call/m-p/... 

Please mark this response as Helpful & Accept it as solution if it assisted you with your question.