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bykaranteli.com x402 tradfi-oi-history
https://bykaranteli.com/api/x402/tradfi-oi-history
answers 402
Five minute open interest history for the top-40 Binance TradFi perpetuals (US, HK, KR and CN equities, commodities, indices) in base units and USD, recorded on our side from 2026-09-02; the free /api/public/tradfi board only carries the live value.
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
- 0x0db4c96d8b14f431f3bb8ce1a33f07d2c696a62c
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 389 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-09-06T01:14:39.683Z (23d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fbykaranteli.com%2Fapi%2Fx402%2Ftradfi-oi-history"