Hi, I am trying to integrate a selling channel to Netsuite. I need to pull the data from Netsuite and send it to them, I am assuming suitetalk is my best option?? Any advice?

your general options are probably found somewhere in SuiteCloud Supported Records

You can also take a look at this article for a good overview of the possibilities https://www.linkedin.com/pulse/how-integrate-anything-netsuite-olivier-gagnon/