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API Integration With Third-party App

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Posted on by tafa bryma

Hello All,

I'm trying to integrate my Business Central instance with a third-party application using an external API. The aim is to get data from the app.

I've created a codeunit in AL to call the API and display the results on a specific Business Central page. However, I'm encountering an error message stating that I need "execute" permissions to access the codeunit.

I've already granted these permissions using permissions sets, but the issue persists. I even added permissions to the target tabledata, but still, the issue wasn't resolved. How can I resolve this?

Thanks

Bryma

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Dynamics 365 Business Central

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Gerardo Rentería Ga... 26,110 Most Valuable Professional on at

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Hi

In the "microsoft entra application" that you are using, have you added the permission of the created extension?

Best

GR

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YUN ZHU 100,212 Super User 2026 Season 1 on at

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Is the codeunit that reports the error in your extension?

If it is On-Pre version, please check your license.

If it is a SaaS version, please check whether the new set below has been generated and assigned to the user.

More details: https://yzhums.com/29221/

Hope this helps.

Thanks.

ZHU

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Jun Wang 8,216 Moderator on at

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not sure if you log out and back in BC after adding the permissions. If no, please try if it makes a difference.

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Chavda Dharmendra 1,004 Super User 2026 Season 1 on at

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If you're using the On-Prem version, make sure that your object ID is within the license range.

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