I have made a website, where you can compare profitability of various altcoins.
Coins with only LTC market are also included(more to come), they are marked with "(L)" by an exchange name.
Here is the link: https://www.whattomine.com/
For SHA256&Scrypt only: https://www.whattomine.com/asic
If you are in need of basic apis, try this: https://whattomine.com/api-docs
Enjoy

