> More websites could offer a paid API though If you are offering a paid API it becomes a product that's most likely very different from your main product you

> More websites could offer a paid API though If you are offering a paid API it becomes a product that's most likely very different from your main product you should be focusing on. So instead of deprecating fields, breaking the format and quickly iterating you'll have to version APIs, add authentication, keep a change log for your paid customers, have customer support for your API customers and make sure you are not doing backwards incompatible changes.