← All endpoints
api.usenami.io perp oi-history
https://api.usenami.io/v1/perp/oi-history
payable
Historical open-interest timeseries for one crypto perpetual on one venue, aggregated 1h/4h/1d — positioning over time for backtests and regime studies. 30–90d window cap.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.005
- Network
- base
- Pay to
- 0x1538726707212F4dB3EB67cEc0910422A310475c
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 639 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:14:46.178Z (1d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.usenami.io%2Fv1%2Fperp%2Foi-history"