bitcointicker silver challange

[asifkhan1221]

why its me an error 403 while i am using the same solution provided by the instructure?
i think the total problem is an averagebitcoinUrl i don't know how to find the solution and from where the average Url came here plz guid and help thanks in advance

const bitcoinAverageURL =
'https://apiv2.bitcoinaverage.com/indices/global/ticker';
error in console =
I/flutter (29590): 403
I/flutter (29590): Problem with the get request