Your PHP website is a free API: how to unlock it...

The problem You have a product catalog on your website. Your marketing team wants a mobile app. Your CTO says "we need an API." Six months later, you're maintaining two codebases that do the same thing: fetch products from the database and return them to a client. There's a better way. What is content negotiation? Content negotiation is a mechanism built into the HTTP specification since 1996. It allows a server to return different representations of the same resource from the same URL, based on