SERVICE

crypto-portfolio

Xynaptic Crypto Portfolio — bring your holdings [{coin, weight or amount}]: we fetch live prices and compute per-position value, 90d volatility, concentration (HHI), BTC correlation per asset, and aggregate risk. POST body: { holdings: [{coin: bitcoin, amount?: 0.5, weight?: 30}], currency?: usd }. Informational only.

$0.05 per call · /v1/crypto-portfolio

Call it

curl -s https://api.xynaptic.io/v1/crypto-portfolio \
  -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-portfolio",
  "holdings": [
    {
      "coin": "bitcoin",
      "amount": 0.5
    }
  ],
  "total_usd": 42060,
  "hhi": 0.55,
  "summary": "3 positions, concentration high."
}