Shortened link
The link you followed has been shortened with is.gd. Shortened links can go anywhere on the Internet so you shouldn't continue if you got the link from a suspicious source e.g. junk email.
The full original link is shown below. Click the link if you'd like to proceed to the destination shown: -
https://api.whatsapp.com/send?phone=&text=Hey,%20Hallo.%20Hoe%20gaat%20het?%20Ken%20jij%20of%20ben%20jij%20een%20klokkenluider?%20Zoek%20je%20meer%20informatie%20over%20whistleblowers,%20zie%20de%20site:%20https://sites.google.com/view/whistleblowers%20en%20deel%20deze%20tekst%20via%20is.gd/whistleblowers
Tip: some QR readers fail to read mixed case URLs properly. We recommend using the lower case option or a lower case custom URL with QR codes.