{
  "service": "agenttoll.dev",
  "tool": "trending_markets",
  "category": "Prediction Markets",
  "description": "Get top trending Polymarket markets by 24h volume. Includes current prices, liquidity, and volume data. Perfect for market discovery and signal generation.",
  "price_usd": "0.02",
  "amount": "$0.02",
  "maxPaymentUsd": "0.02",
  "buyer_contract": {
    "schemaVersion": "agenttoll.buyer_contract.v1",
    "service": "agenttoll.dev",
    "tool": "trending_markets",
    "category": "Prediction Markets",
    "method": "POST",
    "endpoint": "https://agenttoll.dev/paid/polymarket/trending",
    "priceUsd": "0.02",
    "maxPaymentUsd": "0.02",
    "protocol": "x402",
    "scheme": "exact",
    "network": "eip155:8453",
    "networkName": "Base mainnet",
    "asset": "USDC",
    "assetContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "payTo": "0x62a0D3d9DF0dE8804983009949c714EaeAFd87F1",
    "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
    "requestBody": {
      "limit": 20
    },
    "input": {
      "limit": "optional, default 20, max 100",
      "category": "optional, e.g. politics, sports, crypto"
    },
    "expectedResult": "JSON with source-backed fields, response metadata, and decision/readout fields where the endpoint is a brief.",
    "verifyBeforePaying": [
      "network must equal eip155:8453",
      "asset contract must equal 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo must equal 0x62a0D3d9DF0dE8804983009949c714EaeAFd87F1",
      "maxPayment must be no more than $0.02",
      "resource path must match this endpoint"
    ],
    "receiptSchema": "https://agenttoll.dev/agenttoll-receipt-v1.md"
  },
  "approval_prompt": "This AgentToll call costs $0.02 on Base mainnet. Verify payTo 0x62a0D3d9DF0dE8804983009949c714EaeAFd87F1, asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, and maxPayment $0.02 before approving. It returns JSON with source-backed fields, response metadata, and decision/readout fields where the endpoint is a brief.",
  "payment": {
    "protocol": "x402",
    "scheme": "exact",
    "network": "eip155:8453",
    "network_name": "Base mainnet",
    "asset": "USDC",
    "asset_contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "pay_to": "0x62a0D3d9DF0dE8804983009949c714EaeAFd87F1",
    "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402"
  },
  "endpoints": {
    "mcp": "https://agenttoll.dev/mcp",
    "http": "https://agenttoll.dev/paid/polymarket/trending",
    "quote": "https://agenttoll.dev/api/quote?tool=trending_markets",
    "tool_page": "https://agenttoll.dev/tools/trending_markets",
    "route_finder": "https://agenttoll.dev/api/routes/find?q=trending%20markets",
    "receipt_schema": "https://agenttoll.dev/agenttoll-receipt-v1.md"
  },
  "input": {
    "limit": "optional, default 20, max 100",
    "category": "optional, e.g. politics, sports, crypto"
  },
  "example": {
    "limit": 20
  },
  "expected_result": "JSON with source-backed fields, response metadata, and decision/readout fields where the endpoint is a brief."
}