auto,loan network they called me and said I had gotten approve for their car loan and very demanding if you tell them they can't perform a credit check I told them no still calling and harassing and they have all my information I'm worried Rhode Island

Hi I would like to,say it's a network they calling name auto,network they told me they are located in Rhode island then proceed conversation they said well you got approve for financing for auto I said ok then they was saying in order for us to continue they need to,verifies my information they start saying my address my telephone my email and also my social security number all my correct info and I am worried that they did perform a credit check without my authorization I just want to say something before they get any,body else.th