Servicenow GET APIs Request Impact on performance of the ServiceNow instance

[Parjanya SaiKr1]

Will using ServiceNow GET APIs to fetch incident data impact the performance of the ServiceNow instance? Could you please provide the process to test the performance statistics?

 @harditsingh , @Shreya Wani @Martin Jensen @Alka Chaudhary,  @AJ-TechTrek @Shakeel Shaik 

[Ankur Bawiskar · Accepted solution]

@Parjanya SaiKr1 

yes it will impact performance and OOTB Table APIs do expose all field data which is not good from security point of view.

why not use Scripted REST API and ask 3rd party to consume that?

You will have full control on the API request and response.

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[Parjanya SaiKr1]

Thank You very much @Ankur Bawiskar  for your quick helpful response.
My business is asking to show the actual performance impacted due to the Table API Request.
is possible to check the performance stats specific to the API request?
If yes. If possible  can you please also proivde the navigation to check that  Request and response logs

[Ankur Bawiskar]

@Parjanya SaiKr1 

check the transaction log you can see exactly what API has been called, by who, etc.

see this if it helps

Monitoring API performance 

regarding performance

-> try to implement 'Rate Limit Rules' (in left nav type 'Rate Limits' - this will allow you to control the frequency of API calls etc and have control over these as well as 'Transaction Quota Rules' which again can help contain overall limits and API call duration so as to protect the core platform.

💡 If my response helped, please mark it as correct ✅ and close the thread 🔒— this helps future readers find the solution faster! 🙏