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Finance | Project Operations, Human Resources, ...
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API response can't be received

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Posted on by 15
Hi, guys
 
We are now working on a Dynamics 365 F&O implementation project. F&O used for project is operated by 21V which is a local corp from China.
 
Based on requirement, we create several custom APIs to integrate with local systems. All these integrations can generate response to 3rd party system. Among these integrations, some of them need to create or post document, for example sales order and post packing slip, which will take a long to create or post documents for large volume of data. This long time processing may cause that 3rd party system can't receive response. 
 
We did lots of test finding that when request sending within company internet connection, this time is 5 mins. When using public internet with VS and postman request timeout of which has been set to 0 (Never) or 120000 ms, this time is 10 mins. When time exceeds 10 mins, postman stay requesting even after F&O finish processing.
 
We have checked log in AOS, no request throttled which, if I didn't misunderstand, didn't trigger service protection API limits explained in document Service protection API limits - Finance & Operations | Dynamics 365 | Microsoft Learn.
 
For 5 mins limitation, we are investigating internally. For 10 mins limitation, does anyone meet such scenario or know F&O have such limitation?
 
Version: 10.0.41
Environment: Sandbox
Categories:
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  • D365 Product Profile Picture
    15 on at
    API response can't be received
    You're right, it's not a good business practice to us and also we designed asynchronous integration for other big volume data.
     
    For sales order, mostly there're orders only with several lines and local system can get feedback from F&O in real-time, but we happen to find that response from F&O can't be received by 3rd party system in limited time which is an unexpected result.
     
    If there is a configured rule for F&O to throttle request, we can also accept and find ways to handle this. But no matter from document, support or fast track, we still can't get a firm answer if there is a timeout rule and how long it is.
     
     
  • Martin Dráb Profile Picture
    235,928 Most Valuable Professional on at
    API response can't be received
    If something takes ten minutes, using synchronous requests sounds like a bad design to me. You should consider a better design, such as utilizing message queues. Even if you don't want, the reality will likely force you anyway. You won't be able to change web.config in production, where the timeout is likely configured. 

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