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Passing Access Tokens in URLs

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Posted on by vyvt

Hi everybody,

I'm trying to pass an access token to the URL for a GET request to the dataverse API instead of using the header authorization. I have tried appending it as a query parameter like "https://....?access_token=..." but I keep getting a 401 unauthorized error.

Could anyone provide some guidance on the proper way to pass the access token in the URL rather than the header for this API? I would really appreciate any solution to get this working.

Let me know if you have any ideas or examples of constructing the URL with the access token that you know will work with the dataverse API. I'm wondering if I'm missing something simple in how I'm formatting the token in the URL.

Any help is much appreciated!

Thank you!

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Microsoft Dataverse with Power Apps

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ivan_apps 2,187 Moderator on at

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Is there a reason you can’t put the access token in the header? As far as I know that’s the only place you can put the access token once you’ve retrieved one.

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Shashank Bhide 942 Moderator on at

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What you're trying is wrong and not how it works, you've to put the token in the header.

var client = new HttpClient { // See https://docs.microsoft.com/powerapps/developer/data-platform/webapi/compose-http-requests-handle-errors#web-api-url-and-versions BaseAddress = new Uri(resource + "/api/data/v9.2/"), Timeout = new TimeSpan(0, 2, 0) // Standard two minute timeout on web service calls. }; // Default headers for each Web API call. // See https://docs.microsoft.com/powerapps/developer/data-platform/webapi/compose-http-requests-handle-errors#http-headers HttpRequestHeaders headers = client.DefaultRequestHeaders; headers.Authorization = new AuthenticationHeaderValue("Bearer", token.AccessToken); headers.Add("OData-MaxVersion", "4.0"); headers.Add("OData-Version", "4.0"); headers.Accept.Add( new MediaTypeWithQualityHeaderValue("application/json")); #endregion Client configuration #region Web API call // Invoke the Web API 'WhoAmI' unbound function. // See https://docs.microsoft.com/powerapps/developer/data-platform/webapi/compose-http-requests-handle-errors // See https://docs.microsoft.com/powerapps/developer/data-platform/webapi/use-web-api-functions#unbound-functions var response = await client.GetAsync("WhoAmI");

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