I have been blocked from using Mtn share and

Am working on a project where we intend to give free data to our website visitors using your Customer Data Share API, I tried using the code example on the documentation but did...

I want to know to go about it,how to get the 4-digit pin so that I can share data freely

I want to block one of my MTN SIM card because am not the one using it currently, I lost it