Browse Polymarket prediction markets

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x24FAcafEB49b4e3FACF0B3e69604A2F4640c9bf2",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "description": "Polymarket prediction markets browser. Free API with optional tag filtering and keyword search.",
      "iconUrl": "https://memoryapi.org/icon.png",
      "input": {
        "method": "GET",
        "queryParams": {
          "limit": "20",
          "q": "bitcoin",
          "tag": "crypto"
        },
        "schema": {
          "properties": {
            "limit": {
              "description": "Results count (default 20, max 50)",
              "type": "number"
            },
            "q": {
              "description": "Keyword search in question field",
              "type": "string"
            },
            "tag": {
              "description": "Category filter: crypto, politics, sports, economics, science, entertainment, pop-culture",
              "type": "string"
            }
          },
          "required": []
        },
        "type": "http"
      },
      "output": {
        "example": {
          "count": 3,
          "markets": [
            {
              "category": "crypto",
              "id": "market1",
              "outcomes": [
                {
                  "name": "Yes",
                  "price": 0.65
                },
                {
                  "name": "No",
                  "price": 0.35
                }
              ],
              "price": 0.65,
              "question": "Will Bitcoin reach $100k by 2025?",
              "volume_usd": 5000000
            }
          ],
          "source": "Polymarket",
          "success": true,
          "total_volume_usd": 15000000
        }
      },
      "serviceName": "MemoryAPI Predict",
      "tags": [
        "prediction",
        "markets",
        "trading"
      ]
    },
    "schema": {
      "properties": {
        "input": {
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            }
          },
          "required": [
            "method"
          ]
        }
      }
    }
  }
}

curl "https://predict.memoryapi.org/x402/predict/markets"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://predict.memoryapi.org/x402/predict/markets");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://predict.memoryapi.org/x402/predict/markets")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header