CoffeeProof shares an inbox with its sister site WheyProof.
A wrong price
Send us the product's page here. Prices are read once a day, so a change on the store's site shows up after the next reading.
Your store
If you run a store and want it added or left out, write to us. Our crawler also follows your robots.txt: how to block it.
Anything else
Ideas, questions, a guide you'd like: the same address.