the402 endpoint detail

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agentdatum.com d crypto-oi

https://agentdatum.com/api/v1/d/crypto-oi

no payment challenge

Crypto Open Interest — Binance futures open interest (OI): total open contracts, measures leverage and participation. Sudden OI spikes often precede volatility, free no key.

Bazaar lists this endpoint, but when we called it we got HTTP 429 instead of a payment challenge.
Price
10000 atomic
Network
not established
Pay to
-
Spec dialect
-
Transport
-
HTTP method
GET
Response latency
143 ms
Payment options
0 usable of 0
Last checked
2026-09-06T01:13:09.862Z (37d ago)
Category
data

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagentdatum.com%2Fapi%2Fv1%2Fd%2Fcrypto-oi"