{
  "x402Version": 2,
  "id": 1130,
  "slug": "1130",
  "resource": "https://x402tap.com/api/polymarket-markets",
  "description": "Search or list active Polymarket prediction markets, ranked by 24h volume",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "3000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "3000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "amount": "3000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "9fqXniDAn8hNMYC5C9waGv5u126bkwjU6qGgAoQeoWyo",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "3000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "limit": "5",
            "q": "election"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "count": 1,
            "markets": [
              {
                "active": true,
                "endDate": "2026-12-31T00:00:00Z",
                "liquidity": 45678.9,
                "outcomePrices": [
                  0.62,
                  0.38
                ],
                "outcomes": [
                  "Yes",
                  "No"
                ],
                "question": "Example prediction market?",
                "slug": "example-market",
                "volume24hr": 12345.67,
                "volumeTotal": 987654.32
              }
            ],
            "query": "election"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "limit": {
                    "description": "Max markets to return, 1-50 (default 10)",
                    "type": "string"
                  },
                  "q": {
                    "description": "Optional keyword filter on the market question",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "offer-receipt": {
      "info": {
        "offers": [
          {
            "acceptIndex": 0,
            "format": "eip712",
            "payload": {
              "amount": "3000",
              "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "network": "eip155:8453",
              "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
              "resourceUrl": "https://x402tap.com/api/polymarket-markets",
              "scheme": "exact",
              "validUntil": 1788856528,
              "version": 1
            },
            "signature": "0xdcca798c95ae3346cb7ff375d47f70d43a879a855dae282fd3e1360a950e309f014797dedb9e8ea804bf415c22fe75dc1feba911dc9383049372baa65684d5a81c"
          },
          {
            "acceptIndex": 1,
            "format": "eip712",
            "payload": {
              "amount": "3000",
              "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
              "network": "eip155:137",
              "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
              "resourceUrl": "https://x402tap.com/api/polymarket-markets",
              "scheme": "exact",
              "validUntil": 1788856528,
              "version": 1
            },
            "signature": "0x0a62003cf978904fb1a46f378d0871054e2feeea804ac474a333f7c25172334075ca36c572089ec76cf4955972dc4c11db85ee667d7411f098cd058bbf2d7d831c"
          },
          {
            "acceptIndex": 2,
            "format": "eip712",
            "payload": {
              "amount": "3000",
              "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
              "network": "eip155:42161",
              "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
              "resourceUrl": "https://x402tap.com/api/polymarket-markets",
              "scheme": "exact",
              "validUntil": 1788856528,
              "version": 1
            },
            "signature": "0x3194e1685ff51da276716036a49567e337e98df236344299141bc9f61e5c9c65142124e6d77baf8899bc1ca7383b46e7365d3da1208e7296fdf3777cf10cf4221b"
          },
          {
            "acceptIndex": 3,
            "format": "eip712",
            "payload": {
              "amount": "3000",
              "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
              "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
              "payTo": "9fqXniDAn8hNMYC5C9waGv5u126bkwjU6qGgAoQeoWyo",
              "resourceUrl": "https://x402tap.com/api/polymarket-markets",
              "scheme": "exact",
              "validUntil": 1788856528,
              "version": 1
            },
            "signature": "0x6379c6c5b64b827b7accac195c234e159d020e7a9ad6648c74b1f6390c19a8f174e09c16e46da5e81e9abd282d0186566a26f2c2458bcf603cede157571afa361b"
          }
        ]
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "offers": {
            "items": {
              "properties": {
                "acceptIndex": {
                  "type": "integer"
                },
                "format": {
                  "type": "string"
                },
                "payload": {
                  "properties": {
                    "amount": {
                      "type": "string"
                    },
                    "asset": {
                      "type": "string"
                    },
                    "network": {
                      "type": "string"
                    },
                    "payTo": {
                      "type": "string"
                    },
                    "resourceUrl": {
                      "type": "string"
                    },
                    "scheme": {
                      "type": "string"
                    },
                    "validUntil": {
                      "type": "integer"
                    },
                    "version": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "version",
                    "resourceUrl",
                    "scheme",
                    "network",
                    "asset",
                    "payTo",
                    "amount"
                  ],
                  "type": "object"
                },
                "signature": {
                  "type": "string"
                }
              },
              "required": [
                "format",
                "signature"
              ],
              "type": "object"
            },
            "type": "array"
          }
        },
        "required": [
          "offers"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar",
    "offer-receipt"
  ],
  "sourceHost": "x402tap.com",
  "lastUpdated": "2026-09-08T08:30:28.146Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-09-08T08:30:27.956Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "x402tap.com",
    "manifest_name": "x402tap.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}