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REST API, POST customer request failed

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Posted on by MG-04060224-0

I'm trying to create customer in business central using REST API with postman.

I got token using OAuth2/Microsoft Entra Authentication.
Dynamics 365 Business Central have /API.ReadWrite.All/ permission in azure portal.
Client ID/Application have ADMINISTRATOR, D365 FULL ACCESS permission in Business Central -> Microsoft Entra Application

Get request to https:/api.businesscentral.dynamics.com/v2.0/tenantid/environmentname/api/v2.0/companies(id)/customers works fine but post request returns:

400 Bad Request
{
/error/: {
/code/: /Internal_ServerError/,
/message/: /Sorry, the current permissions prevented the action. (TableData 5050 Contact Insert: Base Application) CorrelationId: 09bb1b44-5240-47d4-9e1e-55ea966ef3f9./
}
}

What am I doing wrong? Where should I set required permissions?

Categories:

Dynamics 365 Business Central

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Ariba Mehdi 160 on at

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REST API, POST customer request failed

Hi,
Try creating XML file that generates permission set. You can go to visual studio where the extension is open. Open command palette and select the following. The xml file will be created. Build the extension again and run it.

Hope this helps!
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Judy Microsoft Employee on at

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REST API, POST customer request failed

Hi, please check the steps to set up service-to-service authentication:

The reference Document:Using Service to Service Authentication - Business Central | Microsoft Learn
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DAnny3211 9,274 Super User 2024 Season 1 on at

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REST API, POST customer request failed

hi

look documentation here:

https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/administration/automation-apis-using-s2s-authentication#task-2-set-up-the-microsoft-entra-application-in-

DAniele

https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/administration/automation-apis-using-s2s-authentication
MG-04060224-0 8 on at

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REST API, POST customer request failed

Which Application ID should I use in Client ID part? For testing with postman and external, custom-made web.
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YUN ZHU 75,883 Super User 2024 Season 2 on at

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REST API, POST customer request failed

Hi, It looks like you haven't assigned permissions to the MS Entra App.

Hope the following can give you some hints.

Thanks.

ZHU
Stefano Demiliani 37,162 Most Valuable Professional on at

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REST API, POST customer request failed

Check the permissions associated to the app registration inside BC.