What a Base wallet bought, sold and moved lately - send an address, get its token + ETH moves newest first (time, in/out, token, amount, USD value, counterparty, tx, swap flag), a per-token in/out/net table sorted by net USD, tokens it newly picked up, USD in/out totals, swap count and top 5 counterparties. Wallet tracking, smart-money and copy-trade research. ?address=0x...&days=1-30&limit=1-100. No moves = 404 free. Free sample: /wallet/activity/example.