Data Transfer from C4C to external system

Hi Experts,

We have a requirement to fetch all Customer and Prospects details from C4C into file in XML format.

I know we could use API's ( SOAP Queris and Odata Services). however, how could I push the data from C4C to PI ??

We would like to extract the data once a week into file. we are taking about 100,000 records in a shot . So I was wonder how could I do this in C4C ??

Regards,

Amber Badam