Yes, and a very well designed API can be the foundation of and moat for a successful business. Stripe is one of the best examples. Even as hundreds of copycats

Yes, and a very well designed API can be the foundation of and moat for a successful business. Stripe is one of the best examples. Even as hundreds of copycats pop up, their excellent API design and the trust devs have in them to nail the next API design, means they can continue to expand into other financial products with ease.