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Bullflow Market Data API

Free public closing GEX and options-flow summaries need no account, key, or payment. Other U.S. stock and options market data: gamma and vanna exposure, net premium, options activity, dark pool trades, and trade prices. Access with an API key backed by an active API subscription or prepaid credits, or an offered x402/MPP payment method. Buy credits in the API dashboard from $5 for 500 credits. Credits do not grant MCP, OAuth, or streaming access.

GET

/v1/gexClosingSnapshotSummary

Public
Free closing GEX summary
GET

/v1/gexClosingSnapshots

Public
Free closing GEX availability
GET

/v1/gexDelayedSnapshot

Public
Free 15-minute-delayed GEX snapshot
GET

/v1/gexDelayedSnapshots

Public
Free delayed GEX availability
GET

/v1/optionsFlowClosingSnapshotSummary

Public
Free closing options-flow summary
GET

/v1/optionsFlowClosingSnapshots

Public
Free closing options-flow availability
GET

/v1/optionsFlowRelatedTickers

Public
Free related options-flow summaries

GET

/v1/data/darkPoolTrades

Dynamic
Dark pool trades
GET

/v1/data/eodGex

Dynamic
End-of-day gamma exposure
GET

/v1/data/gexAlerts

Dynamic
Gamma exposure alerts
GET

/v1/data/historicalOptionsFlow

Dynamic
Historical options flow
GET

/v1/data/lastTradePrice

Dynamic
Latest trade price
GET

/v1/data/netPremiumSeries

Dynamic
Net premium time series
GET

/v1/data/netgex

Dynamic
Net gamma exposure
GET

/v1/data/netvex

Dynamic
Net vanna exposure
GET

/v1/data/optionsProfile

Dynamic
Ticker options activity profile
GET

/v1/data/optionsTopTickers

Dynamic
Top options tickers
GET

/v1/data/peakReturn

Dynamic
Option peak return

Install on Your Agent

Add Bullflow Market Data API skills to any client

npx agentcash add https://api.bullflow.io
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