Free Crypto Price API
Real-Time Prices, No Auth Required

# Get Bitcoin price (no auth required)
curl https://crypto-price-api-three.vercel.app/api/price/BTC

# Response:
{
  "symbol": "BTC",
  "price": "97342.0"
}

# Get all prices at once
curl https://crypto-price-api-three.vercel.app/api/prices

# Get candlestick data (1h intervals)
curl "https://crypto-price-api-three.vercel.app/api/candles/ETH?interval=1h&limit=24"

# With API key (for unlimited requests)
curl -H "Authorization: Bearer YOUR_API_KEY" \
  https://crypto-price-api-three.vercel.app/api/prices

import requests

BASE_URL = "https://crypto-price-api-three.vercel.app"

# Get a single price (no auth required)
response = requests.get(f"{BASE_URL}/api/price/BTC")
data = response.json()
print(f"BTC price: ${data['price']}")

# Get all prices at once
response = requests.get(f"{BASE_URL}/api/prices")
prices = response.json()['prices']
for symbol, price in prices.items():
    print(f"{symbol}: ${price}")

# With API key for unlimited access
headers = {"Authorization": "Bearer YOUR_API_KEY"}
response = requests.get(f"{BASE_URL}/api/candles/ETH",
    params={"interval": "1h", "limit": 100},
    headers=headers)
candles = response.json()

// Node.js — using built-in fetch (Node 18+)
const BASE_URL = 'https://crypto-price-api-three.vercel.app';

// Get Bitcoin price (no auth required)
const res = await fetch(`${BASE_URL}/api/price/BTC`);
const { price } = await res.json();
console.log(`BTC: $${price}`);

// Get all prices at once
const { prices } = await (await fetch(`${BASE_URL}/api/prices`)).json();
console.log(prices); // { BTC: "97342.0", ETH: "3521.0", ... }

// With API key for unlimited access
const API_KEY = process.env.CRYPTO_API_KEY;
const data = await (await fetch(`${BASE_URL}/api/candles/SOL?interval=1h`, {
  headers: { Authorization: `Bearer ${API_KEY}` }
})).json();

// Browser JavaScript — no CORS issues, works in any browser
const BASE_URL = 'https://crypto-price-api-three.vercel.app';

// Get Bitcoin price
const getBTCPrice = async () => {
  const res = await fetch(`${BASE_URL}/api/price/BTC`);
  const { price } = await res.json();
  document.getElementById('btc-price').textContent = `$${Number(price).toLocaleString()}`;
};

// Auto-refresh every 30 seconds
getBTCPrice();
setInterval(getBTCPrice, 30000);

// Get multiple prices for a dashboard
const { prices } = await (await fetch(`${BASE_URL}/api/prices`)).json();
// prices.BTC → "97342.0"
// prices.ETH → "3521.0"