Get a single work item in azure devops via api

manoj_theChad
April 4, 2024
228 views
0 votes
2 Answers

As of now, I have to get the work items details from azure devops via api as I have to used it in the third party app but this doesn’t seem to work

This is the API Url I tried to get the work items https://dev.azure.com/testOrgzz/test/_apis/wit/workitems/8?api-version=7.2-preview.3

I’m getting this response even though i have access to all the resources

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Answers

- wadezhouMSFT
- April 4, 2024 at 10:52 am
- 0 votes
0
In the error message, the user shows as aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa which indicates you are not passing correct token for the api.

Please double confirm you are able to access the target work item from DevOps website. To avoid mistake, please regenerate the personal access token.

You can use below script to get the work item details:
```
# Define parameters
$token = "yourPAT"
$organization = "orgname"
$workItemID = "498"     # your work item id
$uri = "https://dev.azure.com/$organization/_apis/wit/workitems/$workItemID"+"?api-version=7.2-preview.3"

echo $uri    # double check the uri.

# Create authorization header
$base64AuthInfo = [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes((":$($token)")))
$headers = @{Authorization=("Basic $base64AuthInfo")}

# Send request
$response = Invoke-RestMethod -Uri $uri -Method Get -ContentType "application/json" -Headers $headers | ConvertTo-Json

# Output work item details
echo $response
```
Work item details:
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- Sridevi
- April 4, 2024 at 10:53 am
- 0 votes
0
I registered one Azure AD application and granted vso.work permission as below:

Now, I generated one bearer token using authorization code flow via Postman like this:
```
POST https://login.microsoftonline.com/<temamtId>/oauth2/v2.0/token
grant_type:authorization_code
client_id: <appId>
client_secret: <secret>
scope:499b84ac-1321-427f-aa17-267ca6975798/.default
code:code
redirect_uri: https://jwt.ms
```
Response:

When I used this token to call Azure DevOps API, I got response with work item details successfully:
```
GET https://dev.azure.com/demodevOps25/demoproj/_apis/wit/workitems/1?api-version=7.2-preview.3
```
Response:

In your case, the error might occur if third-party application access via OAuth is disabled for your DevOps organization.

To resolve the error, enable third-party application access via OAuth in your organization like this:

Reference:
Suddenly all Azure DevOps APIs giving 401 error – Microsoft Community Hub by heenachauhan
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