If you don't know how to program something then the normal step is to pay someone who does. Offer a bounty and the programmers will come out of the woodwork
I have already developed http://unfollow.2et.in - an app to unfollow those who are not following u back and in the process of developing the ReTweet app. So, i know a bit of coding, but BitCoin is new. Everyone have to start somewhere and I am starting.
I am not an investor who can offer money and get things done. I am a developer. So learning the hard way. I have already gone through the BitPay API and seems it can be integrated. But I was expecting, if anyone in the community can point out any in built feature/API/code that may help in payment processing w/o using a third party API.
No not you are not an investor, you are a programmer that is stuck developing software. If you don't have money to offer to get the job done, you'll probably have to keep "learning the hard way". Programmers are busy people you know. They get paid for their services. Sorry, that's just capitalism.