Given the fast lookup time, it would be useful if you could provide a JS API fot synchronous loading.

Essentially, a blocking script in the dom <script src="...api.js" /> that prepopulates the window object. With clever error handling, this could improve perceived performance significantly.

A few questions:

1. What differentiates you from ip-api.com and other providers?

2. Do you use MaxMind?

3. Is there an option for no-throttling? 100s of simultaneous requests?

I aggregate multiple IP databases for my SaaS (https://www.geoscreenshot.com) and I need highly performant / reliable IP look ups.