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Dynamics 365 Community / Forums / Finance | Project Operations, Human Resources, ... / How to send data from ...
Finance | Project Operations, Human Resources, ...
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How to send data from Staging table (D365FO) to an external API (Postman)?

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Posted on by CU26060544-0 13
Hi,

I’m working on sending data from Dynamics 365 Finance and Operations(staging table) to an external API (tested via Postman) for the first time. I’m looking for guidance on the best approach, sample code, or any blogs/tutorials that can help. Any tips or examples would be greatly appreciated!
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Dynamics 365 Finance
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  • Martin Dráb Profile Picture
    Martin Dráb 236,927 Most Valuable Professional on at
    How to send data from Staging table (D365FO) to an external API (Postman)?
    Please tell us more about your requirements. Do you mean that you created a web service, tested it with Postman and now you want to send the same request from F&O instead of Postman?
     
    Are you sure that you want to make a direct call and that you insist on custom development in F&O? There are many alternatives, e.g. that you could have a Power Automate flow reading the data from F&O through a virtual entity and passing it to the web service. If you have no idea, show us what request you make in Postman.
  • CU26060544-0 Profile Picture
    CU26060544-0 13 on at
    How to send data from Staging table (D365FO) to an external API (Postman)?
    Thanks for your response. My goal is to push data directly from D365FO to the external API. I do not need to create a web service; I just want the data to be sent to the API. I prefer not to use Power Automate or any low-code flows, and I want to achieve this through custom development in F&O.
    I would really appreciate if anyone could share guidance, sample code, or best practices for implementing this type of direct API integration in D365FO.
  • Martin Dráb Profile Picture
    Martin Dráb 236,927 Most Valuable Professional on at
    How to send data from Staging table (D365FO) to an external API (Postman)?
    We mean the same thing when I say 'a web service' and you say 'an API'. You seem to have an HTTP-based web service, which is a specific type of an application programming interface (API). API is much more generic term than what you actually mean.
     
    To write code calling your web service (API), you need to know what kind of web service it is. Most likely, it's either REST-like or a SAOP one. The documentation page Consume external web services is for the latter. If you have no idea, show us what request you make in Postman.
  • Navneeth Nagrajan Profile Picture
    Navneeth Nagrajan 2,215 Super User 2025 Season 2 on at
    How to send data from Staging table (D365FO) to an external API (Postman)?
    Hi CU26060544-0,
     
    Since you are using Postman for the first time would recommend using the Postman pre-configured by Anthony Blake. You can tweak the Postman tool based on your requirement and add the required public collection name associated with the data entity. 
     
    Always used this blog as a reference for D365 F&O scenarios related to external web services.
     
    References:
  • CU26060544-0 Profile Picture
    CU26060544-0 13 on at
    How to send data from Staging table (D365FO) to an external API (Postman)?
    Thanks for clarifying. I’ve got an HTTP-based REST API (for example: https://api.restful-api.dev/objects). Now I want to know how to get the data from this API using X++ code  and handle the response in JSON format.
     
    Could anyone please guide me on what classes need to be created in D365FO for this integration (for example, service classes, contracts, or helper classes) and share any sample code or best practices?
  • Martin Dráb Profile Picture
    Martin Dráb 236,927 Most Valuable Professional on at
    How to send data from Staging table (D365FO) to an external API (Postman)?
    There are several ways, the most straightforward one is making an HTTP request with HTTP-related classes in .NET, such as System.Net.Http.HttpClient. The example mentioned by Navneeth uses HttpClient as well.
     
    Nevertheless it may be beneficial to create your own .NET library and utilize Paste JSON as classes to generate classes for easy deserialization of JSON to objects. Also, if you have an Open API (Swagger) specification of the API, you may generate the whole service client. 

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