CryptoDataAPI: Get Depth. Current per-coin depth/spread snapshot across the trac...
https://api.realtimeapi.ai/v1/cryptodata/liquidity/depthOverview
CryptoDataAPI: Get Depth. Current per-coin depth/spread snapshot across the tracked universe. Returns one record per coin (top-25 HL perps by 24h volume): bid/ask depth in USD at {10, 25, 50, 100}bps from mid, spread in bps, book imbalance within 10bps, and joined open interest. The free tier is scoped to BTC; full-universe coverage is Pro and Pro Plus.