Read-only Polymarket market health: resolves a full Polymarket URL, slug, token ID, or search phrase, then returns spread, 1/2/5 cent depth, imbalance, fee schedule, and book freshness.
Api EndpointPrediction MarketsHealthy · 1333 ms0.005 USDC0.005 USDC · eip155:8453 · USDC
https://bookproof-api.sn95wjq846.chatgpt.site/api/v1/market-health