What Pinterest proxies are and how they work
A Pinterest proxy is an intermediary IP address that sits between your browser or automation tool and Pinterest's servers. Rather than seeing your own connection, Pinterest sees the proxy's address, location and network type. This matters because Pinterest builds a profile around each account, linking the usual IP, device fingerprint, timezone and behaviour into a picture of a normal user.
When you route an account through a stable proxy, Pinterest associates it with one consistent location and network. A proxy doesn't turn an account into someone else, though: Pinterest still weighs the account's history and behaviour, and its rules apply whatever the IP.
Budget Proxies lets you control the protocol (HTTPS or SOCKS5), the authentication method, and whether the session rotates or stays sticky. With that control, a Pinterest account you run can keep one steady address rather than whichever shared IP comes up next.