web

You’re offline. This is a read only version of the page.

News and Announcements icon

Dynamics 365 CommunityForums Finance | Project Operations, Human Resources, ... Call dynamics service ...

Finance | Project Operations, Human Resources, ...

Answered

Call dynamics service from postman -status :Unauthorized --- body "Message": "Authentication failed."

(0) Share

Report

Report

Posted on by Ahmed Osama Ibrahim

332

Hello

I follow this article

http://dynamics365musings.com/setup-postman-to-call-d365-data-entities/

with video

After created token tab - I can get the token

but when use it in second tab i got

{
    "Message": "Authentication failed.",
    "StackTrace": null,
    "ExceptionType": "System.InvalidOperationException"
}

In the token there are parm named Sccope I didn't use it , but with didn't use i got the token without problem

Token tab

I used this services by the demo console app that on the get hub and working fine ,but have this issue with postman

Thanks all

I have the same question (1)

All responses Img

All responses (2)

Answers Img

Answers (1)

Verified answer

Ahmed Osama Ibrahim 332 on at

Like (0)

Report
Copy link

Link copied!

Solved

{{access_token}}

I forgeted Bearer

Bearer {{access_token}}

Was this reply helpful? Yes No
WillWU 22,363 on at

Like (1)

Report
Copy link

Link copied!

Hi Ahmed Osama,

Thank you for your sharing.

Was this reply helpful? Yes No

Join the conversation

Helpful resources

Quick Links

Leaderboard > Finance | Project Operations, Human Resources, AX, GP, SL

#1

André Arnaud de Cal... 527 Super User 2026 Season 1

#2

Giorgio Bonacorsi 473

#3

Adis 284 Super User 2026 Season 1

Last 30 days Overall leaderboard

Featured topics

End-of-life Announcement for Microsoft Dynamics GP

Product updates

Dynamics 365 release plans