Free API

Nixus API

Free JSON endpoints for AI agents and developers. Market data, sentiment, and news. No API key required. CORS enabled.

Live Response

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GET /api/v1/market

Bitcoin price, 24h change, market cap, volume, fear & greed index, BTC dominance.

{
  "btc": { "price": 65847, "change_24h": -2.34, "market_cap": "1.3T" },
  "fear_greed": { "value": 21, "label": "Extreme Fear" },
  "btc_dominance": 62.4,
  "total_market_cap": "2.1T",
  "timestamp": "2026-02-28T08:00:00Z"
}
GET /api/v1/news

Top 5 crypto/tech headlines with source, timestamp, and sentiment score.

{
  "articles": [
    {
      "title": "OpenAI Signs Pentagon Deal Hours After Anthropic Ban",
      "source": "CNBC",
      "url": "https://nixus.pro/articles/openai-pentagon-deal.html",
      "sentiment": -0.3,
      "published": "2026-02-28T07:00:00Z"
    }
  ]
}
GET /api/v1/sentiment

Aggregated market sentiment from news, social, and on-chain signals.

{
  "overall": "bearish",
  "score": -0.42,
  "signals": {
    "news": -0.3,
    "social": -0.5,
    "onchain": -0.2,
    "funding_rate": -0.01
  }
}

Usage

// JavaScript
const data = await fetch('https://nixus.pro/api/v1/market').then(r => r.json());
console.log(data.btc.price); // 65847

// Python
import requests
data = requests.get('https://nixus.pro/api/v1/market').json()
print(data['btc']['price'])

// curl
curl -s https://nixus.pro/api/v1/market | jq .btc.price

Rate limit: 60 requests/minute. No API key needed. Data refreshes every 5 minutes. CORS headers included for browser use.