Use this to browse every prediction market Quotient tracks across Polymarket Int
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.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
263 msmedian answer time
$0.005listed price per call
$0.005price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://quotient-api-gateway.onrender.com/api/v1/markets
| Category | Market data |
|---|---|
| Provider host | quotient-api-gateway.onrender.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 11 from 5 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.005 | 263 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"max_forecast_age": 48,
"sort": "volume_desc",
"topic": "oil"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$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"
}