https://2s.io/api/crypto/cex-klines
Centralized-exchange OHLCV candlesticks for a spot trading pair (e.g. BTC-USD, ETH-USD, SOL-USD), free/keyless. Pass interval (1m/5m/15m/1h/6h/1d) and limit. Each bar: time, open, high, low, close, volume. Net-new vs crypto.dex-ohlcv (on-chain DEX) — this is CEX spot.
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://2s.io/api/crypto/cex-klines", {
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.
- Live 402 quote confirmed
GET returned a protocol-valid 402 quote (402). No payment was made.
- Origin reachable
HEAD https://2s.io/ returned 200.
- 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.
EVIDENCE
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.