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Bearer token issue with CDS API

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Posted on by SaiRupa

Hi,

I have power automate approval flow which will store data in CDS. I have to fetch the data using REST API. For this, i created app in Azure Active Directory and added Dynamic CRM in api permissions.

Using postman, with Implicit Grant type, i am able to get the token and can see the data present in the table.

But,when i try to get a token using client secret and password, it is giving me bad request. Can someone help me if i am missing something

Method : POST

Endpoint : https://login.microsoftonline.com/**************/oauth2/token

Headers : Content-Type = application/json

Body : grant_type=client_credentials

client_id=********

client_secret=*******

resource=https://*****.crm4.dynamics.com

Below is the response:

{"error":"invalid_request","error_description":"AADSTS900144: The request body must contain the following parameter: 'grant_type'.\r\nTrace ID: f7f03465-9719-47bd-bbf0-dceba2afe201\r\nCorrelation ID: 423cbada-21f9-4d34-985a-5acc37f6ae19\r\nTimestamp: 2020-07-29 11:21:46Z","error_codes":[900144],"timestamp":"2020-07-29 11:21:46Z","trace_id":"f7f03465-9719-47bd-bbf0-dceba2afe201","correlation_id":"423cbada-21f9-4d34-985a-5acc37f6ae19","error_uri":"https://login.microsoftonline.com/error?code=900144"}

Screenshot from 2020-07-29 21-10-31.png

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yashag2255 24,769 Super User 2024 Season 1 on at

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Hi @SaiRupa

Can you share a screenshot of the flow?

Can you try passing the body like this in the HTTP action in flow:

{

"grant_type"="client_credentials",

"client_id"="********",

"client_secret"="*******",

"resource"="https://*****.crm4.dynamics.com"

}

Hope this Helps!

If this reply has answered your question or solved your issue, please mark this question as answered. Answered questions helps users in the future who may have the same issue or question quickly find a resolution via search. If you liked my response, please consider giving it a thumbs up. THANKS!
SaiRupa 8 on at

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Hi @Yash
Sorry for the confusion. I am not using this api in flow. I have a flow for approval process which stores data in CDS. I want to get this data through rest api so that i can display it in my portal. For this first i need to get the token using token endpoint and pass the token to cds web api to get the table data so that i can process this data further as per my requirement. I am able to get oauth token using my user login but i need to use client secret and key to fetch the token.
yashag2255 24,769 Super User 2024 Season 1 on at

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Hi @SaiRupa

You might want to check this out once: https://docs.microsoft.com/en-us/graph/auth-v2-user#3-get-a-token

Hope this Helps!

If this reply has answered your question or solved your issue, please mark this question as answered. Answered questions helps users in the future who may have the same issue or question quickly find a resolution via search. If you liked my response, please consider giving it a thumbs up. THANKS!