Status 200: JSONDecodeError in public_request

[ClementineSz]

Hello i'm trying to use instagrapi for a personal project and i want to get user id through username.
I'm getting this error :

Status 200: JSONDecodeError in public_request (url=https://www.instagram.com/username/?__a=1&__d=dis) >>>

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Here it's my code :
cl = Client()
cl.set_proxy(proxy_url)
print(cl.get_settings())
cl.user_info_by_username(username)

I tried to use a free proxy just for test. Can someone help me maybe i'm doing something wrong.

[adw0rd]

you need to look for high-quality unique proxies, then if you are lucky you will be able to receive data without a login