Api Endpoint

pmhxr44qn4qitobucm7ctgklbq0svqjb.lambda-url.ap-southeast-2.on.aws

Best Markets to Watch ($0.02/call): The best Polymarket prediction markets to watch right now, ranked by a composite watch-score (24h volume, liquidity, competitiveness, momentum, time-to-resolution). Filter by tag. Returns implied probability, volume, liquidity, spread and a plain-English reason for each. Live data, no account needed.

Open interactive test console

Offering

Provider
pmhxr44qn4qitobucm7ctgklbq0svqjb.lambda-url.ap-southeast-2.on.aws
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Web Search Research
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://pmhxr44qn4qitobucm7ctgklbq0svqjb.lambda-url.ap-southeast-2.on.aws/polymarket/markets
MIME type
application/json
First seen
2026-10-16T02:59:31.787Z
Last seen
Tags
polymarket, prediction-markets, Trending, Data

Payment pricing

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

Payment option 1
0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "payTo": "0xcb9b3F94387389e38EF2A7b3C0B851FB8325d7e9"
  }
]

Observed health

Status
Healthy
Latest latency
1624 ms
Average latency
1569 ms
HTTP status
402
Last checked
Reachability
100% over 14 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": {
          "default": 10,
          "description": "How many markets to return",
          "type": "integer",
          "minimum": 1,
          "maximum": 25
        },
        "tag": {
          "description": "Filter by a Polymarket tag slug, e.g. 'politics', 'crypto', 'sports'",
          "type": "string"
        },
        "sort": {
          "default": "watch",
          "description": "Ranking: 'watch' = composite watch-score (default), or raw volume/liquidity",
          "type": "string",
          "enum": [
            "watch",
            "volume",
            "liquidity"
          ]
        }
      },
      "required": [
        "limit",
        "sort"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "count": {
          "type": "integer",
          "minimum": -9007199254740991,
          "maximum": 9007199254740991
        },
        "sort": {
          "type": "string"
        },
        "markets": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "question": {
                "type": "string"
              },
              "slug": {
                "type": "string"
              },
              "url": {
                "type": "string"
              },
              "yesPrice": {
                "anyOf": [
                  {
                    "type": "number"
                  },
                  {
                    "type": "null"
                  }
                ],
                "description": "Implied probability of the first outcome (0-1)"
              },
              "volume24hr": {
                "anyOf": [
                  {
                    "type": "number"
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "liquidity": {
                "anyOf": [
                  {
                    "type": "number"
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "spread": {
                "anyOf": [
                  {
                    "type": "number"
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "priceChange24h": {
                "anyOf": [
                  {
                    "type": "number"
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "daysToResolution": {
                "anyOf": [
                  {
                    "type": "number"
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "watchScore": {
                "type": "number",
                "description": "0-100 composite: activity, depth, competitiveness, momentum, timing"
              },
              "why": {
                "type": "string",
                "description": "Short human-readable reason this market ranks"
              }
            },
            "required": [
              "question",
              "slug",
              "url",
              "yesPrice",
              "volume24hr",
              "liquidity",
              "spread",
              "priceChange24h",
              "daysToResolution",
              "watchScore",
              "why"
            ],
            "additionalProperties": false
          }
        }
      },
      "required": [
        "count",
        "sort",
        "markets"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "type"
  ]
}