Your IPv4 address:

3.145.8.139

Tools:

To test what IP version your system prefer to use when connecting to website that support both IPv4 and IPv6, use: ip
To get your IPv4 only address, use: ip4
To get your IPv6 only address, use: ip6

API usage:

To retreive IP address programmatically the /text endpoint can be used. It returns IP address in a plain text format:

https://ip.onethinglab.com/text IP version your system prefer to use when sending request to server that support both IPv4 and IPv6.
https://ip4.onethinglab.com/text IPv4 only address.
https://ip6.onethinglab.com/text IPv6 only address.