Use this to fetch full Quotient intelligence for up to ten markets across Polymarket Inter

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xC3d01FD2F79d4c57aD106AB8ecc12a5dE24F97cB",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "discoverable": true,
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "market_keys": "kalshi:KXFED-26SEP-T4.00,limitless:4291"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "not_found": [
            "limitless:4291"
          ],
          "results": [
            {
              "bluf": "Current inflation and labor data leave a September cut possible but not dominant.",
              "key_drivers": [
                {
                  "citation": "https://example-news.com/inflation",
                  "direction": "against",
                  "factor": "Core inflation remains above target",
                  "impact": "significant"
                }
              ],
              "marketKey": "kalshi:KXFED-26SEP-T4.00",
              "marketUrl": null,
              "market_odds": 0.36,
              "nativeEventId": "KXFED-26SEP",
              "nativeMarketId": "KXFED-26SEP-T4.00",
              "question": "Will the federal funds target range be below 4.00% in September?",
              "quotientMarketId": "kalshi:KXFED-26SEP-T4.00",
              "quotient_odds": 0.43,
              "seriesTicker": "KXFED",
              "slug": null,
              "sourceUrl": null,
              "venue": "kalshi",
              "venue_quote": {
                "freshness": "verified",
                "market_id": "KXFED-26SEP-T4.00",
                "observed_at": "2026-08-31T12:00:00Z",
                "quote_method": "midpoint",
                "schema_version": "1",
                "selected_probability": 0.36,
                "venue": "kalshi",
                "venue_timestamp": "2026-08-31T12:00:00Z",
                "yes_ask": 0.36,
                "yes_bid": 0.36,
                "yes_last": null
              }
            }
          ]
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "additionalProperties": false,
              "properties": {
                "condition_ids": {
                  "type": "string"
                },
                "market_keys": {
                  "type": "string"
                },
                "slugs": {
                  "type": "string"
                },
                "venue": {
                  "description": "Prediction-market venue key: polymarket (Polymarket International), polymarket_us (Polymarket US), kalshi, or limitless.",
                  "enum": [
                    "polymarket",
                    "polymarket_us",
                    "kalshi",
                    "limitless"
                  ],
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "queryParams"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input",
        "output"
      ],
      "type": "object"
    }
  },
  "payment-identifier": {
    "info": {
      "required": false
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "id": {
          "maxLength": 128,
          "minLength": 16,
          "pattern": "^[a-zA-Z0-9_-]+$",
          "type": "string"
        },
        "required": {
          "type": "boolean"
        }
      },
      "required": [
        "required"
      ],
      "type": "object"
    }
  }
}

curl "https://quotient-api-gateway.onrender.com/api/v1/markets/lookup"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://quotient-api-gateway.onrender.com/api/v1/markets/lookup");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://quotient-api-gateway.onrender.com/api/v1/markets/lookup")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header