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.

$0.02 per call · /v1/crypto-historical

Call it

curl -s https://api.xynaptic.io/v1/crypto-historical \
  -H "Accept: application/json"

# -> 402 Payment Required (x402 challenge: price, payTo, networks)
# -> sign the payment, retry with PAYMENT-SIGNATURE -> 200

What you get back

{
  "service": "crypto-historical",
  "coin": "bitcoin",
  "days": 365,
  "candles": 92,
  "summary": "92 daily OHLCV candles."
}

Related services

Machine-readable

Catalog: api.xynaptic.io · manifest: /.well-known/x402.json · MCP: mcp.xynaptic.io/mcp