resources/Crest x402 Data/69884c7e3d02c57aa48bd28c
GET402 quotelive quote

https://data.crestsystems.ai/data/exchanges

Crest · exchanges — Fetch top 15 crypto exchanges ranked by volume. Returns trust score, 24h BTC trading volume, and country of registration.

https://data.crestsystems.ai/data/exchanges
USE THIS RESOURCE

Start with a quote-only recipe. Payment signing stays in your project.

CODE
AI CODING TOOLS
quote-check.ts
const response = await fetch("https://data.crestsystems.ai/data/exchanges", {
  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.

JSON ↗developer docs →

STATUS HISTORY

JSONRSS
  1. Live 402 quote confirmed

    GET returned a protocol-valid 402 quote (402). No payment was made.

  2. Origin reachable

    HEAD https://data.crestsystems.ai/ returned 200.

  3. Observed in cdp-bazaar

    The registry record was observed and retained with provenance.

  4. Observed in 402-index

    Discovered through bazaar.

  5. Registry record checked

    Registry health: healthy.

EVIDENCE

cdp-bazaarobserved 2026-07-10 · https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources
402-indexobserved 2026-07-10 · https://402index.io/api/v1/services
origin checkHEAD https://data.crestsystems.ai/ → 200 on 2026-07-10
route quotelive 402 quote confirmed · GET 402 · 2026-07-10

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.

PAYMENT OPTIONS

eip155:8453exact2000 atomic · 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
https://data.crestsystems.ai/data/exchanges · TOLL·402