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Business Central Patch/POST

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I am building custom API (Odata) for updating budget lines for a project (Job). I created an API and able to POST few lines in respective table.

I would like to know if there is any specific API property to be used to enable PATCH in API code? Any one knows please? Thank you in advance

PageType = API;

Caption = 'manageProjectBudgetAPI';

APIPublisher = 'myapi';

APIGroup = 'apigrp';

APIVersion = 'v2.0';

EntityName = 'manageProjectBudgetAPI';

EntitySetName = 'manageProjectBudgetAPI';

SourceTable = "Budget Line";

InsertAllowed = true;

ModifyAllowed = true;

DeleteAllowed = false;

Extensible = false;

DelayedInsert = true;

ODataKeyFields = "SystemId";

Regards

Famy

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Dynamics 365 Business Central

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Lars Lohndorf-Larsen Microsoft Employee on at

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Hello,

PATCH should be enabled - but of course you need to specify in the api call what record to patch. Specify the record in the URL:

PATCH

MyPC:20048/.../customers(e4e15d57-eac7-ec11-bb8d-000d3abbf69d)

BODY:

{

"displayName": "The Cannon Group PLC"

}

If you get error

"Invalid Request Body CorrelationId:

then add this header:

Content-Type = application/json

If you get this error:

"Could not validate the client concurrency token required by the service. Please provide a valid token in the client request

Then add this header:

If-Match = *

You can of course ideally also add the actual concurrency token (etag) to check that the record was not modified since you retrieved it, but just for testing start with *.

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Javier.Armesto 14 User Group Leader on at

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It is enabled. You could check and try Postman, you will find it easier to see and compose the call. In the link that I leave you will see that the property that enables PATH is modified allowed.

docs.microsoft.com/.../devenv-api-pagetype

Check the response so you can help the community. Tap like for additionally. Thank you

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Community Member on at

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Thank you, it is useful information

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Jeffrey Bulanadi 9,128 Super User 2026 Season 1 on at

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Hi Digitech,

Your API looks OK. Just add a "If-Match" equals to * (asterisk) to your request header.

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YUN ZHU 102,123 Super User 2026 Season 1 on at

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Hi, just adding some info.

https://yzhums.com/6117/#toc15

Hope this helps as well.

Thanks.

ZHU

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