https://bykaranteli.com/api/x402/listings-historyGET /api/x402/listings-history · x402 API by bykaranteli
Perpetual listing and delisting events across six exchanges with first seen, last seen and delisted timestamps per instrument, the record behind listing driven volatility studies.
What does this x402 API do?
https://bykaranteli.com/api/x402/listings-history. This is an x402-gated GET API resource from bykaranteli. The latest safe availability check could not reach the resource on 2026-08-11. No normalized USD price is recorded; the listing names Base and Solana. No settled paid call has been verified.
- Published price
- No normalized USD price is recorded
- Networks
- Base · Solana
- Latest evidence
- The latest safe availability check could not reach the resource on 2026-08-11
- Resource ID
- ca1adbcfba8f071b7737277f
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://bykaranteli.com/api/x402/listings-history", {
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.
- Exact route checked
skipped origin unreachable · origin-check:timeout
- Origin unavailable
timeout
- Observed in cdp-bazaar
The registry record was observed and retained with provenance.
- Observed in 402-index
Discovered through self-registered.
- Registry record checked
Registry health: healthy.
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.