Use this to browse every prediction market Quotient tracks across Polymarket International
Use this to browse every prediction market Quotient tracks across Polymarket International, Polymarket US, Kalshi, and Limitless, with venue odds and quote provenance, available volume, resolution date, and forecast recency. Polymarket International and Kalshi fail closed when live pricing is unavailable; other venues label graph snapshots stale. Filter by venue or topic; the complete covered catalog returns in one response.
5000 (raw units)
price
9
calls / 30d
5
unique payers
2026-09-11
updated
Provider
quotient-api-gateway.onrender.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xC3d01FD2F79d4c57aD106AB8ecc12a5dE24F97cB",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "5000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"discoverable": true,
"info": {
"input": {
"method": "GET",
"queryParams": {
"max_forecast_age": 48,
"sort": "volume_desc",
"topic": "oil"
},
"type": "http"
},
"output": {
"example": {
"markets": [
{
"categories": [
"Commodities"
],
"clarifications": null,
"end_date": "2026-08-31T20:00:00Z",
"event": {
"id": "KXGOLD-26AUG",
"slug": null,
"title": "Gold price in August"
},
"forecast_count": 1,
"inDispute": false,
"latest_forecast_at": "2026-08-08T14:30:00Z",
"latest_forecast_delta": 0.03,
"latest_forecast_refresh_reason": "price_move",
"marketKey": "kalshi:KXGOLD-26AUG-T2500",
"marketUrl": null,
"market_odds": 0.46,
"market_updated_at": "2026-08-08T15:02:11Z",
"nativeEventId": "KXGOLD-26AUG",
"nativeMarketId": "KXGOLD-26AUG-T2500",
"polymarketUrl": null,
"question": "Will gold settle above $2,500 in August?",
"quotientMarketId": "kalshi:KXGOLD-26AUG-T2500",
"quotientUrl": "https://quotient.social/markets/kalshi%3AKXGOLD-26AUG-T2500",
"seriesTicker": "KXGOLD",
"signal_count": 0,
"slug": null,
"sourceUrl": null,
"tags": [
"Commodities",
"Metals",
"Gold"
],
"venue": "kalshi",
"venue_quote": {
"freshness": "verified",
"market_id": "KXGOLD-26AUG-T2500",
"observed_at": "2026-08-31T12:00:00Z",
"quote_method": "midpoint",
"schema_version": "1",
"selected_probability": 0.46,
"venue": "kalshi",
"venue_timestamp": "2026-08-31T12:00:00Z",
"yes_ask": 0.46,
"yes_bid": 0.46,
"yes_last": null
},
"volume_24h": null
}
],
"venue_facets": [
{
"count": 1,
"venue": "kalshi"
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"changed_within": {
"maximum": 168,
"minimum": 1,
"type": "integer"
},
"max_forecast_age": {
"default": 48,
"minimum": 1,
"type": "integer"
},
"sort": {
"enum": [
"updated_desc",
"volume_desc",
"signal_count_desc"
],
"type": "string"
},
"topic": {
"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"
}
}
}Use it
curl
curl "https://quotient-api-gateway.onrender.com/api/v1/markets" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://quotient-api-gateway.onrender.com/api/v1/markets");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://quotient-api-gateway.onrender.com/api/v1/markets")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/3285.json, and this resource appears in /discovery/resources and /discovery/search.