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How to access custom api in postman using On Premise business central?

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Posted on by Shrey Chauhan

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Hello Sir/Ma'am,

I am trying to consume custom api of on premise business central in postman, However its showing the data on frontend as below image :

But same I am trying to call using postman using Basic Auth and also Tried the NTLM Authentication it's showing as 401 Unauthorized as below image :

As NTLM Authentication

I have also enabled all the permission in Administration Shell like :
Enable NTLM Authentication
Enabled Soap Services
Enabled Odata services
Enabled API services

Please help me to solve this problem

Your efforts is appreciated
Thank you for your valuable response and time

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Integration with Dynamics 365 products

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Verified answer

YUN ZHU 68,757 Super User 2024 Season 2 on at

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How to access custom api in postman using On Premise business central?

Just add some information:

How to use Postman to connect to Dynamics 365 Business Central On-Premises

https://yzhums.com/18869/

Thanks.
ZHU
Verified answer

Ariba Mehdi 160 on at

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How to access custom api in postman using On Premise business central?

Hi there,
After enabling these, restart the BC service, and try NTLM authentication. It is working with me.

Also, try writing the username without the domain. It works with me.

Make sure you have restarted the BC service after editing the server.

Hope this helps!

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