Use the Azure DevOps WorkItemTracking sendmail returns 411

Question

Use the Azure DevOps WorkItemTracking sendmail returns 411

112 Views Asked by Bennimi At 25 April 2025 at 16:59

I am getting the following error when I try to curl Azure´s SendMail endpoint. The documentation is not really helpful. What am I doing wrong?

endpoint=https://dev.azure.com/myorg/myproject/_apis/wit/sendmail?api-version=7.1-preview.1
body='{
"message": {
"body": "Test Body",
"cc": {},
"to": {
"tfsIds": ["my-tfsIds-id"]
},
"replyTo": {},
"subject": "Test Subject"
},
projectId:"my-project-id"
}'

curl -X POST "$endpoint" --data "$body" -H "Authorization: Basic $pat" -H "Content-Type: application/json" -vL

Note: Unnecessary use of -X or --request, POST is already inferred.
* Closing connection -1
curl: (3) URL using bad/illegal format or missing URL
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN""http://www.w3.org/TR/html4/strict.dtd">
<HTML><HEAD><TITLE>Length Required</TITLE>
<META HTTP-EQUIV="Content-Type" Content="text/html; charset=us-ascii"></HEAD>
<BODY><h2>Length Required</h2>
<hr><p>HTTP Error 411. The request must be chunked or have a content length.</p>
</BODY></HTML>

PS: I also get a redirect and I don´t really understand why either but I guess it´s the sign in authority?

* Connection #0 to host dev.azure.com left intact
* Issue another request to this URL: 'https://xxxxx.vssps.visualstudio.com/_signin?realm=dev.azure.com&reply_to=https%3A%2F%2Fdev.azure.com%2FMYORG%2FMYPRODJECT%2F_apis%2Fwit%2Fsendmail%3Fapi-version%3D7.1-preview.1&redirect=xxxxxxxxxxxxxxxxx'
* Switch from POST to GET
*   Trying xx.xxx.xx.xx:443...
* Connected to xxxxx.vssps.visualstudio.com (xx.xxx.xx.xx:443) port 443 (#1)

Update

By including the Content-Length header it now returns a 503..

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Original Q&A

There are 1 best solutions below

**Ikhtesam Afrin** · Answer 1

I have used the below PowerShell script to invoke POST https://dev.azure.com/{organization}/{project}/_apis/wit/sendmail?api-version=7.1-preview.1 and getting the email as expected.

$myorg="organization_name"
$myproject="project_name"
$pat="Base64 converted PAT"
$endpoint="https://dev.azure.com/$myorg/$myproject/_apis/wit/sendmail?api-version=7.1-preview.1"
$body='{
    "ids": [work item id],
    "message": {
        "body": "Test Body",
        "cc": {},
        "to": {
            "tfIds": ["your tfId"]
        },
        "replyTo": {},
        "subject": "Test Subject"
    }
}'

Invoke-RestMethod -Uri $endpoint -Method POST -Body $body -Headers @{Authorization=("Basic $pat")} -ContentType "application/json"

Please add ids for work item ids and correct tfIds in your request body.

Email-

enter image description here

References:- Azure DevOps SendMail Rest API returns 204 but doesn't send an email - Stack Overflow

Use the Azure DevOps WorkItemTracking sendmail returns 411

There are 1 best solutions below

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