Api Endpoint

quotient-api-gateway.onrender.com

The news and X/Twitter evidence behind Quotient forecasts on Polymarket International, Polymarket US, Kalshi, and HL Outcomes: recent articles and relevant posts for up to ten markets, with reasoning, evidence quotes, source tiers, authors, and canonical routing. Prefer market_keys for cross-venue or nullable-slug rows. Use this to audit a forecast or see what is moving event and asset-linked markets.

Open interactive test console

Offering

Provider: quotient-api-gateway.onrender.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://quotient-api-gateway.onrender.com/api/v1/sources
MIME type: application/json
First seen: 2026-10-16T01:50:45.949Z
Last seen: 2026-11-05T17:35:13.577Z
Tags: None supplied

Website

Payment pricing

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

Payment option 1: 0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

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

Observed health

Status: Healthy
Latest latency: 366 ms
Average latency: 540 ms
HTTP status: 402
Last checked: 2026-11-03T01:54:02.214Z
Reachability: 100% over 8 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": {
        "markets": {
          "type": "string"
        },
        "market_keys": {
          "type": "string"
        },
        "venue": {
          "type": "string",
          "enum": [
            "polymarket",
            "polymarket_us",
            "kalshi",
            "hl_outcomes"
          ],
          "description": "Prediction-market venue key: polymarket (Polymarket International), polymarket_us (Polymarket US), kalshi, or hl_outcomes (HL Outcomes, Hyperliquid's outcome markets; covered sports game-winner markets only). HL Outcomes marketKeys contain # (hl_outcomes:#<outcome id>); percent-encode it as %23 in paths and query strings."
        },
        "window": {
          "type": "integer",
          "minimum": 1,
          "maximum": 168,
          "default": 48
        },
        "types": {
          "type": "string"
        }
      },
      "additionalProperties": false
    }
  },
  "required": [
    "type",
    "method",
    "queryParams"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "additionalProperties": false,
          "properties": {
            "market_keys": {
              "type": "string"
            },
            "markets": {
              "type": "string"
            },
            "types": {
              "type": "string"
            },
            "venue": {
              "description": "Prediction-market venue key: polymarket (Polymarket International), polymarket_us (Polymarket US), kalshi, or hl_outcomes (HL Outcomes, Hyperliquid's outcome markets; covered sports game-winner markets only). HL Outcomes marketKeys contain # (hl_outcomes:#<outcome id>); percent-encode it as %23 in paths and query strings.",
              "enum": [
                "polymarket",
                "polymarket_us",
                "kalshi",
                "hl_outcomes"
              ],
              "type": "string"
            },
            "window": {
              "default": 48,
              "maximum": 168,
              "minimum": 1,
              "type": "integer"
            }
          },
          "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"
}