Power Automate - Does not Work - However Postman does

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Posted on by SÖ-17061501-0

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Hello dear Community,

A customer who does use Power Automate does have got troubles sending Requests with it.

So, the customer is able to send the Requests via Postman and he is getting answers.

However with Power Automate it does not work.

Does anybody something about a bug?

Is there a way to contact Microsoft?

Please a Link!

Thanks in Advance!

Categories:

Dynamics 365 general

Power Platform integration

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André Arnaud de Cal... 295,155 Super User 2025 Season 1 on at

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Power Automate - Does not Work - However Postman does

Hi,

Can you tell what exact connector and action is giving the error? Are you using the Dataverse, Fin&Ops or another connector?
SÖ-17061501-0 113 on at

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Power Automate - Does not Work - However Postman does

@Adis

Thanks for your support.

However we as it seems we already got connected to the official Microsoft support for this case.

i am going to close this ticket.
SÖ-17061501-0 113 on at

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Power Automate - Does not Work - However Postman does

@Adis

Hello Adis,

i am sorry that i did not give further information.

So the user can not send any requests. Nothing works.

However he is able to send Requests via Postman. They work.

He is getting the following Error:

{"title":"Proxy execute request error","status":400,"detail":"ms-plex-targetServiceUrl header must be a valid Absolute Uri.","instance":"/extension/proxy","serviceRequestId":"xxxxxxxx","exceptionSource":"InvalidProxyExecuteRequestException"}

So, is it possible that the power Plattform has a bug?

Thanks in Advance for the Support!
Adis 4,459 Super User 2025 Season 1 on at

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Power Automate - Does not Work - However Postman does

Hi,

Could you share some details about the flow? Does it success or run into an error? If you have an error, please provide details.

You can raise a ticket via the Power Platform admin Center.

Kind regards, Adis

If this helped, please mark it as "Verified" for others facing the same issue

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