I'm trying to insert an item to a list and I keep getting bad request so it's probably because my json is wrong?

Here's what my json looks like:


securit_x00e9_ it's because I used this letter: é and apparently when I checked the xml it's translated to _x00e9_.

So is this json wrong?

The header and content type is set to application/json; odata: verbose. And I require form digest

MERGE https://mysite/_api/Web/Lists/GetByTitle('myDelphiTestList') HTTP/1.1
Connection: Keep-Alive
Accept: application/json; odata=verbose
If-Match: "5"
User-Agent: Mozarella/1.0 (compatible; Indy Library)
X-RequestDigest: 0x7E78B662646D13B263E3B9964C4D5554F0795C67CB99EFB37D7BA8FB2997DB1D748634497241F0F0BDA1AFF887971D1D2CF98E0739AF5E0969D201AEA834BBE2,28 Jul 2016 09:12:52 -0000
Content-Length: 79
Host: mysite
Authorization: Basic eW91cmljdFw2MDEyNzA4NjY6RGV0cm9pdCUxNTM0Mg==


Your JSON for updating list item should be like this.

"__metadata":{ "type":"SP.Data.YourListNameListItem"},

In type you must write "SP.YourListNameListItem"


Try removing securit_x00e9_":"test" line from your JSON, if its update then you have to try the JSON as

    "__metadata":{ "type":"SP.Data.YourListNameListItem"},

Update-2 :

Based on your commented error message

"The given key was not present in the dictionary"

Your headers should look like this

headers = {'X-RequestDigest': token,
           'Accept': 'application/json; odata=verbose',
           'Content-Type': 'application/json; odata=verbose',
           'Content-Length': lengthofbody}

We can avoid 'Content-Length' header. I tried without this header, It worked.



Please ensure that your url should be like


Also your HTTP Methods should be POST

  • My list is called "myDelphiTestList" So i tried SP.myDelphiTestListListItem. It still gives a bad request error. – Tanaka J. Jul 28 '16 at 8:33
  • updated answer. Try with SP.Data.ListnameListItem. – Aakash Maurya Jul 28 '16 at 8:34
  • Same error. Bad request – Tanaka J. Jul 28 '16 at 8:36
  • Lastly try once with removing your 'security_x00ep_' field from json. If it updates then there might be issue in this field – Aakash Maurya Jul 28 '16 at 8:36
  • 1
    YES! That was close, just didn't need the '(5)' and also use http method of POST and not MERGE. And it works now. Thank you for the time taken :) Adapt your answer to these things and i will accept it as an answer cause you partially helped me :) – Tanaka J. Jul 28 '16 at 11:34

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