code 401 (Unauthorized) on Yahoo.GetHistoricalAsync

[szymonromaniec]

Hi from few days I obrtain error " Call failed with status code 401 (Unauthorized): GET https://query1.finance.yahoo.com/v7/finance/download/OPN.WA?period1=1694332800&period2=1726041600&interval=1d&events=history&crumb=bTH.asyJI6I"}"

when I use Yahoo.GetHistoricalAsync(

vesrion of api 2.3.3

[marketman771]

Same problem but with Yahoo.GetDividendsAsync() Call failed with status code 401 (Unauthorized)
https://query1.finance.yahoo.com/v7/finance/download/AAPL?period1=1710090016&period2=1725987616&interval=1d&events=div&crumb=agXiAxJu9dd

[sainthardrock]

scheb/yahoo-finance-api#52
we facing same issue yahoo restricted it, i think only option using something like selenium to get client side rendered data

[jabacrack]

Discussed in #75

[thorstenalpers]

API calls are not possible anymore. HTML requests are needed, I've solved it by using AngelSharp as an alternative to Selenium.

https://github.com/thorstenalpers/Finance.NET

[jabacrack]

@thorstenalpers you can use API calls to chart data (#75 (comment))