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How to Expand contactInformation on REST API

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Posted on by BP-23051237-0

I'm trying to get the contactInformation object on a Contact object on the REST API in BC. with url /https:/api.businesscentral.dynamics.com/v2.0/{{Environment}}/api/v2.0/companies({{CompanyId}})/contacts?$expand=contactInformation/

This is giving this error:

{/error/:{/code/:/Application_DialogException/,/message/:/id type not specified.  CorrelationId:  3ba38e95-5c91-4169-b813-05caf38a52cb./}}Any help would be great!  TIA

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Dynamics 365 Business Central

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Gerardo Rentería Ga... 27,611 Super User 2026 Season 2 on at

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Hi

I certainly haven't had any problems getting the contact list with this URL.

https://api.businesscentral.dynamics.com/v2.0/<tenantID>/<environmentID>/api/v2.0/companies(<CompanyID>)/contacts

BR

GR

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Saurav.Dhyani 14,462 User Group Leader on at

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Hi,

You need to choose the contact using id and then use expand.

How to use $expand - https://youtu.be/i0luLg2vfgk

Regards,

Saurav Dhyani

https://bit.ly/SubscribeSauravYouTube

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YUN ZHU 102,791 Super User 2026 Season 2 on at

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Hi, This requires setting Related Id first.

For exmple

https://api.businesscentral.dynamics.com/v2.0/c8558e71-6ad8-4fcd-9f29-3ca165b41bbe/Sandbox241/api/v2.0/companies(938320db-e10b-ef11-9f8d-6045bdacaf36)/contacts?$expand=contactInformation($filter=relatedId eq 09acf76a-a414-ef11-9f88-000d3a50c332)

Hope this helps.

Thanks.

ZHU

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