https://arbipulse.vercel.app/api/spread-tickGET /api/spread-tick · x402 API by arbipulse
Cross-exchange spread tick — ONE $0.02 call returns the live executable spread for a pair across Binance, Coinbase, Kraken, Bybit: best bid venue, best ask venue, spread in bps, and a deterministic TRADE / THIN / NONE verdict. Built for arbitrage monitoring loops; escalate to /api/crypto ($0.07) for the full CEX arbitrage read with fees and transfer paths. 30s freshness, no LLM in the path.
What does this x402 API do?
https://arbipulse.vercel.app/api/spread-tick. This is an x402-gated GET API resource from arbipulse. TOLL·402 records origin and cross source evidence as of 2026-08-05. 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
- TOLL·402 records origin and cross source evidence as of 2026-08-05
- Resource ID
- 9c4603db9f20df8f4584f081
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://arbipulse.vercel.app/api/spread-tick", {
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.
- Exact route checked
http 402 invalid · accept-0:resource-mismatch;accept-1:maxTimeoutSeconds,resource-mismatch;accept-2:resource-mismatch;accept-3:resource-mismatch;accept-4:resource-mismatch;accept-5:resource-mismatch;accept-6:resource-mismatch;accept-7:resource-mismatch;accept-8:resource-mismatch;accept-9:resource-mismatch;accept-10:resource-mismatch;accept-11:resource-mismatch;accept-12:positive-atomic-amount,resource-mismatch;accept-13:resource-mismatch
- Registry record checked
Registry health: healthy.
- Origin reachable
HEAD https://arbipulse.vercel.app/ returned 200.
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.