Save, then Test wallet: a $1 Fill-And-Kill buy at 1¢ that the exchange kills unfilled. It proves the key, address and signature type without spending anything. The signature type is detected from the funder address when you save (shown above). Weather Live needs a passed test.
Users (admin)
Start live weather trading?
Real Fill-And-Kill orders will be sent from your Polymarket account. Review before confirming: