https://api.usenami.io/v1/perp/oracle-familiesGET /v1/perp/oracle-families · x402 API by usenami
Oracle price-source family classification across tracked crypto perp venues — which venues derive their index price from the same upstream feed. Basis-risk awareness for cross-venue and funding-arb strategies: two venues sharing an oracle family will not diverge independently, so a spread between them is not the hedge it looks like.
What does this x402 API do?
https://api.usenami.io/v1/perp/oracle-families. This is an x402-gated GET API resource from usenami. TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-24. No normalized USD price is recorded; the listing names Base. No settled paid call has been verified.
- Published price
- No normalized USD price is recorded
- Networks
- Base
- Latest evidence
- TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-24
- Resource ID
- d084bb889bd480d833d2a8a9
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://api.usenami.io/v1/perp/oracle-families", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Observed in cdp-bazaar
The registry record was observed and retained with provenance.
- Observed in 402-index
Discovered through bazaar.
- Registry record checked
Registry health: healthy.
- Live 402 quote confirmed
GET returned a protocol-valid 402 quote (402). No payment was made.
- Origin reachable
HEAD https://api.usenami.io/ returned 404.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.