{
  "x402Version": 2,
  "id": 4472,
  "slug": "4472",
  "resource": "https://api.predictionmarketdata.io/prediction-markets",
  "description": "Search, filter, and sort prediction markets across exchanges.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x995c0abdcd2ad76548e5f7deb54d32549b2b781f",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "limit": "10",
            "search": "trump",
            "status": "Open"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "pagination": {
              "hasMore": true,
              "limit": 2,
              "nextOffset": 2,
              "offset": 0,
              "total": 30834
            },
            "predictionMarkets": [
              {
                "end_ts": "2026-06-23T00:30:00Z",
                "entity_code": "KALSHI",
                "entity_event_category": "Sports",
                "event_name": "Game 3: San Antonio at New York",
                "event_outcome_type": "Multi",
                "event_outcomes": [
                  {
                    "market_id": "KXNBAGAME-26JUN08SASNYK-NYK_yes.KALSHI",
                    "outcome_name": "New York",
                    "percentage": 0.54,
                    "status": "Open",
                    "volume": 7872349.97
                  }
                ],
                "event_ticker": "KXNBAGAME-26JUN08SASNYK.KALSHI",
                "is_series": true,
                "pmcs_categories": [
                  "SPT",
                  "BSKTBL",
                  "NBA"
                ]
              }
            ]
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "entity_code": {
                    "description": "Exchange filter. Common: KALSHI, POLYMARK, GMNI.",
                    "type": "string"
                  },
                  "event_ticker": {
                    "description": "Exact event identifier (from a prior /prediction-markets response).",
                    "type": "string"
                  },
                  "limit": {
                    "description": "Maximum number of events to return.",
                    "type": "string"
                  },
                  "offset": {
                    "description": "Zero-based pagination offset.",
                    "type": "string"
                  },
                  "open_interest_max": {
                    "description": "Maximum open interest (USD).",
                    "type": "string"
                  },
                  "open_interest_min": {
                    "description": "Minimum open interest (USD).",
                    "type": "string"
                  },
                  "outcome_type": {
                    "description": "Outcome model. Common: Binary, Multi.",
                    "type": "string"
                  },
                  "pmcs_category": {
                    "description": "Top-level PMCS category code from /prediction-markets/taxonomy.",
                    "type": "string"
                  },
                  "pmcs_supersector": {
                    "description": "PMCS supersector code from /prediction-markets/taxonomy.",
                    "type": "string"
                  },
                  "queryCriteria": {
                    "description": "Legacy advanced query field; prefer search.",
                    "type": "string"
                  },
                  "search": {
                    "description": "Free-text query across market and event names.",
                    "type": "string"
                  },
                  "searchString": {
                    "description": "Legacy alias for search; prefer search.",
                    "type": "string"
                  },
                  "sort_by": {
                    "description": "Sort key, e.g. total_volume_24hr, total_open_interest_usd, end_ts.",
                    "type": "string"
                  },
                  "sort_dir": {
                    "description": "Sort direction: asc or desc.",
                    "type": "string"
                  },
                  "status": {
                    "description": "Market status. Open is the safest default.",
                    "type": "string"
                  },
                  "trade_count_max": {
                    "description": "Maximum trade count.",
                    "type": "string"
                  },
                  "trade_count_min": {
                    "description": "Minimum trade count.",
                    "type": "string"
                  },
                  "volume_1hr_max": {
                    "description": "Maximum 1-hour volume filter.",
                    "type": "string"
                  },
                  "volume_1hr_min": {
                    "description": "Minimum 1-hour volume filter.",
                    "type": "string"
                  },
                  "volume_max": {
                    "description": "Maximum total volume filter.",
                    "type": "string"
                  },
                  "volume_min": {
                    "description": "Minimum total volume filter.",
                    "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"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "api.predictionmarketdata.io",
  "lastUpdated": "2026-09-08T23:28:21.46Z",
  "quality": {
    "calls30d": 8,
    "uniquePayers30d": 6,
    "lastCalledAt": "2026-09-08T23:28:21.194Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.predictionmarketdata.io",
    "manifest_name": "api.predictionmarketdata.io",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}