PreReason
Spot Bitcoin ETF flows. Daily net flows, cumulative flow, AUM with per-fund breakdown (IBIT, FBTC, GBTC). Spot Bitcoin ETF flow data for research agents. A paid call serves today or any ?date= on record.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 301 ms
- Price
- $0.030 per call
- Paying buyers, last 30 days
- 2 (directory's own records)
- Paid calls, last 30 days
- 4
- Category
- Research, reports and analytics
- Address
- https://api.prereason.com/api/btc/etf
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/5e63d86835d7.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).