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access canvas app by passing bearer token in request header

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Posted on by AM-09101446-0

Hi,

we are developing a custom mobile app using React Native. For authentication we are using Azure B2C for user authentication (M365 default credential popup and MFA). After getting the token we are consuming Dataverse default REST APIs by passing the Bearer token in request header.

One of the requirements is that we need to open Canvas App from the same custom mobile app in the web-view but we don't want the user to get prompted for the credentials again. Is there any way which can be adopted and user can use the same token which we he has received initially and access the canvas app seamlessly (for example passing the Bearer token as request header or query string).

code snippet of webview

<WebViewsource={{uri: powerAppUrl, headers: { Authorization: `Bearer ${accessToken}`, }, }}/>

Thanks

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SaiRT14 1,990 Super User 2025 Season 2 on at

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Hi AM-09101446-0,

Unfortunately, directly passing the Bearer token in the request header or query string is not supported for seamless authentication with Canvas Apps embedded in a web view.

Enable Persistent Login in Azure B2C: Ensure that persistent sessions are enabled in Azure AD B2C so that the login session is retained and shared.

Use the Same Login Domain: When opening the Canvas App in the web view, ensure it uses the same authentication context and domain as the token issued for the custom app.

Configure Power Apps to Use Azure AD B2C: Set up the Canvas App with Azure AD B2C authentication in the Power Apps environment. Ensure the app's authentication redirects match the Azure AD B2C tenant.

pls try and let me know if you need more details.

thanks.

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AM-09101446-0 8 on at

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Thanks SaiRT14 for the response. As per my knowledge Azure AD B2C authentication can be configured for Power Pages/Portal and not for Canvas apps. Kindly let me know if you can refer to any related article which can guide for the required configuration.

OR if we can pass the token in query string which can be retrieved by Canvas app and can be used to validate user?

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