List active markets from external venues that can be imported to Simmer.
Returns markets that are:
Use this to discover markets before calling POST /api/sdk/markets/import (Polymarket) or POST /api/sdk/markets/import/kalshi (Kalshi).
Minimum 24h volume in USD (0 = no filter)
x >= 0Max markets to return
1 <= x <= 100Filter by category (e.g., politics, crypto, sports). Polymarket only.
'polymarket', 'kalshi', or omit for both
Keyword search on market title (min 2 chars)
Successful Response