ipstack packs location, time zone, currency, connection and security data into one call, but unlocks them plan by plan: 100 free requests a month, commercial use from Basic, bulk and security only on Professional+. Here is what you get at each step, what else is out there, and how to switch.
ip-api.com is many developers' first IP API, until they need HTTPS from the browser or a commercial licence. Its Pro plan is excellent value and may be all you need. If it isn't, here are the alternatives, a guide to five services with almost the same name, and a field-by-field migration.
MaxMind is the reference for IP geolocation, and its local databases are hard to beat on speed. But GeoLite comes with a 1.000-a-day web service limit, an attribution rule, a 30-day update rule and MaxMind's own warning against commercial use. When to stay, when to switch, and how.
ipinfo is excellent at privacy detection and company data, and Lite is a generous free country-level API. But Core includes 150.000 requests a month and bills overage after that. What ipinfo's plans include today, when an alternative makes sense, and how to switch in one file.
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One GET request: location, network and bot signals
Free keys include 1.000 lookups a day. No card needed.