Api Endpoint

mechamanda.com

Get resolved/historical prediction markets from Polymarket. Filter by date range, slug, or category.

Open interactive test console

Offering

Provider: mechamanda.com
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Prediction Markets
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://mechamanda.com/api/polymarket/historical
MIME type: application/json
First seen: 2026-10-16T01:51:20.002Z
Last seen: 2026-11-04T12:51:39.937Z
Tags: None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0xbAd1Aa224bFe4fEb460E12b2553DcDf98a7098d0"
  }
]

Observed health

Status: Healthy
Latest latency: 65 ms
Average latency: 394 ms
HTTP status: 402
Last checked: 2026-11-04T12:51:39.931Z
Reachability: 100% over 11 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "limit": {
          "type": "string",
          "description": "Max number of events to return (default 5)"
        },
        "offset": {
          "type": "string",
          "description": "Pagination offset (default 0)"
        },
        "tag_slug": {
          "type": "string",
          "description": "Filter by category tag (e.g. politics, sports, crypto)"
        },
        "slug": {
          "type": "string",
          "description": "Look up a specific event by slug"
        },
        "endDateMin": {
          "type": "string",
          "description": "Filter events that ended on or after this date (ISO 8601)"
        },
        "endDateMax": {
          "type": "string",
          "description": "Filter events that ended on or before this date (ISO 8601)"
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "endDateMax": {
              "description": "Filter events that ended on or before this date (ISO 8601)",
              "type": "string"
            },
            "endDateMin": {
              "description": "Filter events that ended on or after this date (ISO 8601)",
              "type": "string"
            },
            "limit": {
              "description": "Max number of events to return (default 5)",
              "type": "string"
            },
            "offset": {
              "description": "Pagination offset (default 0)",
              "type": "string"
            },
            "slug": {
              "description": "Look up a specific event by slug",
              "type": "string"
            },
            "tag_slug": {
              "description": "Filter by category tag (e.g. politics, sports, crypto)",
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "items": {
            "properties": {
              "description": {
                "description": "Market description",
                "type": "string"
              },
              "liquidity": {
                "description": "Current liquidity in the market",
                "type": "number"
              },
              "outcomePrices": {
                "description": "Current prices for each outcome (0-1)",
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              "outcomes": {
                "description": "Possible outcomes (e.g. Yes/No)",
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              "question": {
                "description": "The market question",
                "type": "string"
              },
              "volume": {
                "description": "Total trading volume",
                "type": "number"
              }
            },
            "required": [
              "question",
              "outcomes",
              "outcomePrices",
              "volume"
            ],
            "type": "object"
          },
          "type": "array"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}