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Fund Data API

NAV History

GET/api/v1/fund/nav/history

The fund's daily NAV history with BTC/ETH reference prices.

Requires an Authorization: Bearer <API key> header (a nyx_dk_… developer key, minted from Settings → Developer). Reflects Nyx's shadow NAV, reconciled against your fund administrator.

NameTypeRequiredDescription
daysintegerOptional
cURL
curl -s -X GET "https://nyxchain.org/api/v1/fund/nav/history" \
  -H "Authorization: Bearer nyx_dk_demo000000000000000000000000000000000000000"
JavaScript
const res = await fetch("https://nyxchain.org/api/v1/fund/nav/history", {
  method: "GET",
  headers: { Authorization: "Bearer nyx_dk_demo000000000000000000000000000000000000000" },
})
const data = await res.json()
Python
# GET https://nyxchain.org/api/v1/fund/nav/history
import requests

res = requests.get(
    "https://nyxchain.org/api/v1/fund/nav/history",
    headers={"Authorization": "Bearer nyx_dk_demo000000000000000000000000000000000000000"},
)
data = res.json()
Try It
API Key
nyx_dk_dem••••••••0000
Parameters
Sample response
Array(3)
Object(4)
"date": "2026-06-20"
"nav_usd": 17510230.1
"btc_price": 61200
"eth_price": 3280
Object(4)
"date": "2026-07-05"
"nav_usd": 17960120.55
"btc_price": 62850
"eth_price": 3340
Object(4)
"date": "2026-07-20"
"nav_usd": 18450210.44
"btc_price": 64000
"eth_price": 3400