the402 endpoint detail

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api.usenami.io perp snapshot

https://api.usenami.io/v1/perp/snapshot

payable

One-call per-venue market snapshot for a ticker — funding, annualized carry + structure, open interest, 24h volume, mark price (bundles funding/carry/open-interest/volume-24h)

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.05
Network
base
Pay to
0x1538726707212F4dB3EB67cEc0910422A310475c
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
228 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:14:58.723Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.usenami.io%2Fv1%2Fperp%2Fsnapshot"