- Security is governed by Custom Keys. Trial Custom Keys will only work against our trial environment and live/production Custom Keys will only work in our production environment. Please make note that when moving from our trial environment to our production environment you will need to use a production Custom Key. The way we are locking down the Custom Keys, so people can’t just lift them from your web page and use them elsewhere, is by locking them by domain which will be configurable. Securing traditional keys or Custom Keys is always paramount in any process. Contact email@example.com for assistance if you have not discussed them yet or just want to learn more.