{
  "x402Version": 2,
  "id": 1131,
  "slug": "1131",
  "resource": "https://x402tap.com/api/kalshi-markets",
  "description": "Search or list open Kalshi prediction markets (regulated US event contracts)",
  "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": "fed rate"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "count": 1,
            "markets": [
              {
                "closeTime": "2099-08-01T04:59:00Z",
                "eventTicker": "KXEXAMPLE-99",
                "lastPrice": 0.12,
                "liquidity": 0,
                "status": "active",
                "ticker": "KXEXAMPLE-99",
                "title": "Example Kalshi market?",
                "volume24h": 174.62,
                "yesAsk": 0.12,
                "yesBid": 0.1
              }
            ],
            "query": "fed rate"
          },
          "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 title",
                    "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/kalshi-markets",
              "scheme": "exact",
              "validUntil": 1788856244,
              "version": 1
            },
            "signature": "0xf2d4b213be5558b16b99bfecdc94c2e8c16fd6e3ab5837c6f99996be688a1a4f6a79e3b2100a27e5ccbd5b043c802b1316575ec8a6750b58edda06ef5ad277021b"
          },
          {
            "acceptIndex": 1,
            "format": "eip712",
            "payload": {
              "amount": "3000",
              "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
              "network": "eip155:137",
              "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
              "resourceUrl": "https://x402tap.com/api/kalshi-markets",
              "scheme": "exact",
              "validUntil": 1788856244,
              "version": 1
            },
            "signature": "0x41d77e65b44c56319acf9a7e0bf06b97c9ef21c5d7cf5daf45b00234c76ad0c44e645ee281c9cc891fcf3f24ed921fd1678721d4544f0f7084c4a98e6aed82611c"
          },
          {
            "acceptIndex": 2,
            "format": "eip712",
            "payload": {
              "amount": "3000",
              "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
              "network": "eip155:42161",
              "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
              "resourceUrl": "https://x402tap.com/api/kalshi-markets",
              "scheme": "exact",
              "validUntil": 1788856244,
              "version": 1
            },
            "signature": "0xce6f950bd2bfffb973ea17f6f4acacd2cba87400218e2b7daf86e8575372f4e167edbe51382698fdd8aba104845316192b67df7734d8e9584eef5548cb27dafd1c"
          },
          {
            "acceptIndex": 3,
            "format": "eip712",
            "payload": {
              "amount": "3000",
              "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
              "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
              "payTo": "9fqXniDAn8hNMYC5C9waGv5u126bkwjU6qGgAoQeoWyo",
              "resourceUrl": "https://x402tap.com/api/kalshi-markets",
              "scheme": "exact",
              "validUntil": 1788856244,
              "version": 1
            },
            "signature": "0x54f1a098bbd76e437531aad95357889870e1b3ab0b50f7c56d8f5a0e70ba61887b4029bf3c757cf5cf1be9067d19e8a07734cd6faecdb511153eb2d970c5f7e31c"
          }
        ]
      },
      "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": "2026-09-08T08:25:44.866Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-09-08T08:25:44.66Z"
  },
  "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"
  }
}