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IPv6-adapter.com

A simple tool to assure cross-site compatibility between a website with IPv6 and a website without IPv6.

About

IPv6-adapter.com respect privacy and no data is stored for more than 24 hours. The only personal data collected are the IPs adresses that are required for this website to work.

To use IPv6-adapter.com, simply add the following code in the head of your page:
<script src="https://ipv6-adapter.com/api/v1/api.js" async defer></script>.

Then when you need to use a user's ip simply make a request to https://ipv6-adapter.com/api/v1/fetch?ip=USER_IP and use the ips field of the JSON response.