Developer API
Programmatic
Access.
Institutional-grade SPX & VIX gamma exposure. Per-strike derived data by participant and expiry, straight from the CBOE C1 exchange.
What You Get
Two Endpoints. Every Number That Matters.
Per-strike exposure, contract pricing, and intraday series. Filter by metric, participant, and expiry. Same CBOE C1 data the dashboard runs on — plus live option prices.
Per-strike exposure + contract prices for one metric, one expiry, one participant type. GEX, DEX, VEX, CEX with call/put splits and live option pricing — all in a single response.
{ "metric": "gex", "expiry": "0dte", "customer_type": "mm", "total": -7717799655, "data": [[7140, 4.4e9, 4.8e9, -4.4e8, 10.89, 6.62], ...], "fields": ["strike", "gex", "call_gex", "put_gex", "call_mid", "put_mid"] }
Intraday GEX and DEX series for the full trading day.
{ "product": "SPX", "date": "2026-10-07", "data": [ {"ts": "09:52", "gex": 1.024e9, "call_gex": -1.487e9, "put_gex": 2.511e9, "dex": -3.19e9, "zero_gamma_0dte_below": 7771, "zero_gamma_0dte_above": 7789, ...} ] }
Parameters
API Access
Included with Ultra subscription
Included with Ultra subscription
7,500 API calls included per month. $0.05 per call beyond.
Requires Ultra subscription
Documentation
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