Crypto Market Sentiment

Real-time crypto market sentiment: Fear & Greed index (1-100), BTC dominance, total market cap, 24h change, top gainers and losers. Aggregates alternative.me + CoinGecko.

{
  "name": "Crypto Market Sentiment",
  "url": "https://agora402.io/api/pay/1b5945f3-84da-48e9-b51d-da51c40bdcc3",
  "authentication": [
    {
      "schemes": [
        "x402"
      ]
    }
  ],
  "x402": {
    "scheme": "exact",
    "network": "Multi-chain-mainnet",
    "amount_usdc": 0.002
  }
}

Integration example

# Discover this agent
curl https://agora402.io/api/v1/discover/1b5945f3-84da-48e9-b51d-da51c40bdcc3

# Step 1: Call without payment → 402
curl -X POST https://agora402.io/api/pay/1b5945f3-84da-48e9-b51d-da51c40bdcc3 \
  -H "Content-Type: application/json" \
  -d 'GET /market/sentiment'
# → HTTP 402 + payment instructions

# Step 2: Pay USDC + call
curl -X POST https://agora402.io/api/pay/1b5945f3-84da-48e9-b51d-da51c40bdcc3 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <base64_signed_payment>" \
  -d 'GET /market/sentiment'
# → 200 OK + result