There's a better option you could have taken and possibly still can take. Explain to them what you did, why you did it, and the value it would bring to their si

There's a better option you could have taken and possibly still can take. Explain to them what you did, why you did it, and the value it would bring to their site. Then offer to make it available to them for a reasonable fee. That way you've solved your problem, made some money, and made things better for users. It's win-win.