I

IP2Location.io Bulk IP Geolocation API

REST discovered

Details
URL
https://bulk.ip2location.io/
Docs
https://www.ip2location.io/ip2location-bulk-documentation
Authentication
IP2Location / IP2Location.io API key api_key discovered Get key ↗
?key=<credential> /Authorization: Bearer <credential>

Sign up for an account via IP2Location.io sign-up or IP2Location.io pricing. The docs say a free plan is available, and the legacy web-service page says one unique API key is issued per user account. After signup, use that API key in requests as the key query parameter.