api.xynaptic.io
x402Grade BLast checked 2 hours ago
GET https://api.xynaptic.io/v1/crypto-historical
Xynaptic Crypto Historical — OHLCV history for backtests: 30, 90 or 365 days, daily candles from CoinGecko. GET ?coin=bitcoin&days=365. Returns timestamped [open, high, low, close] arrays.
Price$0.02per price or market lookup · paid in USD on Base
Uptime100%
4/4 probes · 9 ms
Score73Grade B
Paid usage, 30 days1payers · 3 calls
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://api.xynaptic.io/v1/crypto-historical"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 11:16 | Valid 402 | 402 | 6 ms | $0.02 |
| 2026-10-11 07:00 | Valid 402 | 402 | 102 ms | $0.02 |
| 2026-10-11 02:30 | Valid 402 | 402 | 10 ms | $0.02 |
| 2026-10-10 22:01 | Valid 402 | 402 | 8 ms | $0.02 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves