🔮 price-oracle

Real-time prices for 27+ crypto & equity symbols. Sources: CoinGecko + Binance. Pay-per-query via x402.

v1.0.0 💰 $0.001 USDC base x402

⚡ Quick Start

Get real-time prices with a single request. Payments handled automatically via x402.

POST https://price.agent.cart.fun/a2a

Example: Get BTC Price

curl -X POST https://price.agent.cart.fun/a2a \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"intel/price","params":{"symbol":"BTCUSDT"},"id":1}'

Response (after x402 payment)

{
  "jsonrpc": "2.0",
  "result": {
    "symbol": "BTCUSDT",
    "price": 86047.98,
    "source": "Polymarket (Binance)",
    "timestamp": 1702836000000
  },
  "id": 1
}

📊 Supported Symbols

Crypto (Real-time via Binance)

BTCUSDT
ETHUSDT
SOLUSDT
XRPUSDT
DOGEUSDT

Equities (Real-time)

AAPL
TSLA
NVDA
MSFT
GOOGL
AMZN
META
NFLX
PLTR
OPEN
RKLB
ABNB

Crypto Fallback (CoinGecko)

LINKUSDT
AVAXUSDT
MATICUSDT
ADAUSDT
DOTUSDT
ATOMUSDT
UNIUSDT
AAVEUSDT
SHIBUSDT
LTCUSDT

🔧 API Methods

Get Price

Get real-time price for a crypto or equity symbol

method: "intel/price"
Get All Prices

Get all currently cached prices

method: "intel/prices"

💳 x402 Payment Flow

  1. Send request to /a2a
  2. Receive 402 Payment Required with payment details
  3. Sign USDC authorization using x402 library
  4. Retry request with X-PAYMENT header
  5. Receive price data ✅

Use the x402 library to handle payments automatically.

📋 Agent Card

Machine-readable metadata at:

https://price.agent.cart.fun/.well-known/agent-card.json