withdraw ETH

[ghost]

Hello!

Well, im trying to withdraw my winnings, but the issue is that my eth adress is in coinbase, and at the moment of trying to withdraw the website ask me for a way to access to my wallet

https://i.gyazo.com/e9e4161015236805e36ef33d22e2b99d.png

how can i withdraw my eth?

[lonya]

and coinbase is a stock exchange ?
Help my pls.
I received an API on this request(https://api-trade.opskins.com/IUser/CreateVCaseUser/v1/) but I still get an error...

{
"status": 1,
"time": 1530555832,
"response": {
"api_key": "******************************",
"user": {
"id": -244,
"steam_id": "",
"display_name": "localhost",
"avatar": null,
"twofactor_enabled": false,
"api_key_exists": true,
"sms_phone": null,
"contact_email": null,
"allow_twofactor_code_reuse": false,
"inventory_is_private": true,
"vcase_restricted": true
}
}
}
On request, I received such an answer, I suspect that I am not receiving the correct answer, please help

[lonya]

Sorry that's not the topic. but I'm so tired .. sorry Man

[ansien]

Use Metamask, you can't withdraw with a Coinbase address.