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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / API testing in Postman...
Small and medium business | Business Central, N...
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API testing in Postman using OAth2.0. Successful token authentication but credentials error

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Posted on by Kevin Roman 7

Hi, I’m trying to test an API from business central online with OAuth 2.0
I created the azure app, configured the api permissions, the secrets and all that.
When I enter the values in postman, I get the token but when I call the API I’m getting the 401 error.

/image/

After that, I use the token and try to call the API but I get this error:

/image/
image1338×284 19.1 KB

 

These are my values:

/image/
image812×422 30.3 KB

 

And I’m calling one of the standard APIs that come with business central. I just copy and paste it.

Categories:
Dynamics 365 Business Central
  • Suggested answer
    YUN ZHU Profile Picture
    YUN ZHU 74,115 Super User 2024 Season 2 on at
    API testing in Postman using OAth2.0. Successful token authentication but credentials error
    Hi, so strange issue, I have not encountered it, I hope the following test can give you some hints.
    Using OAuth to connect Business Central APIs and Web Service in Postman
    https://yzhums.com/20690/
     
    Thanks.
    ZHU
  • Suggested answer
    Rajvi Khushbu Profile Picture
    Rajvi Khushbu 10 on at
    API testing in Postman using OAth2.0. Successful token authentication but credentials error
    Below is a link that may be helpful:
     
     
    If you are still unable to resolve the issue, please let me know, and I can guide you through an alternate solution
     
  • Kevin Roman Profile Picture
    Kevin Roman 7 on at
    API testing in Postman using OAth2.0. Successful token authentication but credentials error
    Sorry, these are the images.
     
    image
     
    image
     
    image

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