# Issue REST API PUT "/rest/config/folders/\*id\*" - error : folder has empty ID
**URL:** https://forum.syncthing.net/t/issue-rest-api-put-rest-config-folders-id-error-folder-has-empty-id/17089
**Category:** Support
**Created:** [July 15, 2021, 5:44pm UTC](https://forum.syncthing.net/t/issue-rest-api-put-rest-config-folders-id-error-folder-has-empty-id/17089 "2021-07-15T17:44:57Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@selev](https://forum.syncthing.net/u/selev)
#### Post date: [July 15, 2021, 5:44pm UTC](https://forum.syncthing.net/t/issue-rest-api-put-rest-config-folders-id-error-folder-has-empty-id/17089/1 "2021-07-15T17:44:57Z")
i send the following REST API: `curl -X PUT -d '{ "label": "TEST" }' -H "X-API-Key: MyAPIKey" http://localhost:8384/rest/config/folders/default`
and get the following error message: `folder has empty ID`
My Folder configuration is:
```
curl -X GET -H "X-API-Key: MyAPIKey" http://localhost:8384/rest/config/folders/default
{
"id": "default",
"label": "MODS",
.....
}
```
what am I doing wrong?
---
### Author:  [@selev](https://forum.syncthing.net/u/selev)
#### Post date: [July 15, 2021, 6:22pm UTC](https://forum.syncthing.net/t/issue-rest-api-put-rest-config-folders-id-error-folder-has-empty-id/17089/2 "2021-07-15T18:22:40Z")
problem solved: `curl -k -X PUT -d '{` **“id”: "default"** `, "label": "TEST" }' -H "X-API-Key: MyAPYKey" http://localhost:8384/rest/config/folders/default`
---
### Author:  [@system](https://forum.syncthing.net/u/system)
#### Post date: [August 14, 2021, 6:23pm UTC](https://forum.syncthing.net/t/issue-rest-api-put-rest-config-folders-id-error-folder-has-empty-id/17089/3 "2021-08-14T18:23:06Z")
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