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Jamir
Frequent Visitor

How to get EmbedToken Generated using PostMan ? HTTP Error 400. The request hostname is invalid.

‎09-22-2022 07:24 PM

1. I was able to genrate Accesstoken using : (Works in postman)

 POST - https://login.microsoftonline.com/{{tenant_id}}/oauth2/token

 Header:

 Content-Type application/x-www-form-urlencoded

 Body:

 grant_type: client_credentials

 client_secret: {{client_secret}}

 client_id: {{client_id}}

 resource: https://analysis.windows.net/powerbi/api

(works fine)

 

2. Get EmbedToken (Does not work in postman):

    I could get the EmbedToken using link below.

    https://learn.microsoft.com/en-us/rest/api/power-bi/embed-token/datasets-generate-token-in-group

    (for our prototype, we will not want to use above step)

 

  Using Postman I have tried many different scenarios, it all fails

 

  POST - https://api.powerbi.com/v1.0/myorg/groups/{{groupId}}/reports/{{reportId}}/GenerateToken

  Header:

Authorization: Bearer {{temp_access_token}}

Host: <calculated when request is sent>

Content-Type: application/json

  Body:

{
"accessLevel": "View",
"allowSaveAs": "false"
}

 

  Result:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN""http://www.w3.org/TR/html4/strict.dtd">
<HTML>

<HEAD>
<TITLE>Bad Request</TITLE>
<META HTTP-EQUIV="Content-Type" Content="text/html; charset=us-ascii">
</HEAD>

<BODY>
<h2>Bad Request - Invalid Hostname</h2>
<hr>
<p>HTTP Error 400. The request hostname is invalid.</p>
</BODY>

</HTML>
 
3. Get Embed URL (Does not work in postman)
     This works:
      (for our prototype, we will not want to use above step)
 
Using Postman

POST -https://api.powerbi.com/v1.0/myorg/groups/{{groupId}}/reports

  Header:

Authorization: Bearer {{temp_access_token}}

 

Error:

{
"error": {
"code": "PowerBINotAuthorizedException",
"pbi.error": {
"code": "PowerBINotAuthorizedException",
"parameters": {},
"details": [],
"exceptionCulprit": 1
}
}
}
 
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Jamir
Frequent Visitor

‎09-24-2022 04:39 PM

Finally, I made it work.. Here are all the details:

(I beleive my problem was with setting up Service Principal properly)

 

1. Access Token: POST

Header

Jamir_0-1664062616546.png

Body

Jamir_1-1664062650858.png

 

2. Embed Token: POST

Header

Jamir_2-1664062696666.png

 

Body

Jamir_3-1664062724198.png

 

3. EmbedReportURL: GET

     

Jamir_4-1664062752331.png

 

View solution in original post

Message 4 of 4
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3 REPLIES 3
Jamir
Frequent Visitor

‎09-24-2022 04:39 PM

Finally, I made it work.. Here are all the details:

(I beleive my problem was with setting up Service Principal properly)

 

1. Access Token: POST

Header

Jamir_0-1664062616546.png

Body

Jamir_1-1664062650858.png

 

2. Embed Token: POST

Header

Jamir_2-1664062696666.png

 

Body

Jamir_3-1664062724198.png

 

3. EmbedReportURL: GET

     

Jamir_4-1664062752331.png

 

Message 4 of 4
2,239 Views
0
Jamir
Frequent Visitor

‎09-23-2022 09:55 AM

hello @Anonymous 

 

Appreciate your response.

 

I did both, it still does not work, I get HTTP Error 400, The request hostname is invalid. Error.

 

Jamir_0-1663951959886.png

 

Message 3 of 4
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0
Anonymous
Not applicable

‎09-22-2022 10:52 PM

Hello @Jamir ,

I had the same issue and adding these headers worked 

2022-09-23_11h16_59.png

 

URL: https://api.powerbi.com/v1.0/myorg/groups/d...c5/reports/da9.....3/GenerateToken

Body: 

{
"accessLevel": "View",
"allowSaveAs": "false"
}
If it still doesn't work, click on run it in Embed Token - Reports GenerateTokenInGroup - REST API (Power BI Power BI REST APIs) | Microsoft Lear... add your group id, report id and copy paste the URl. It worked!

 

Message 2 of 4
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