API SANDOBOX 403 Error: Insufficient permissions to fulfill the request.

[nagaz24]

Hello, I have a problem with API.
Could you verify my account?
I have an error in API Explorer with inventory scope and others:

rlogid:t6pitnmsgwjfiiw%28ufmadh%7B%3F%3Ctowoiudvn%60jhs.vgiggi%7F.0%3E%3E6g124%3Db*42ho1-19778e5e57e-0x235f
x-ebay-client-tls-version:TLSv1.3
x-ebay-request-id:19778e5e-5800-aab1-4ee6-765bfff1bf61!inventory_item_PUT!slrinvapicont-sandbox-5895b7578d-77nh2!r1slrinvapicont-sandbox[]
content-type:application/json
content-length:159
date:Mon, 16 Jun 2025 13:20:21 GMT
x-envoy-upstream-service-time:7
server:ebay-proxy-server
strict-transport-security:max-age=31536000
x-ebay-pop-id:UFES2-LVSAZ01-apisandbox

[soh.maryl]

These Boards are staffed by fellow buyers and sellers who volunteer their time here to help others when they can.

We have no way to "verify" your account.  Sounds like an issue where you may need to contact eBay.  

[dhbookds]

Posting in this group may help you find answers

https://community.ebay.com/t5/Developer-Forums/ct-p/developergroup

[nagaz24]

I cant find any form to contact ebay and ask about my permissions - could you give me a link?