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PredScope

Prediction market odds feed

📈 FinanceHEALTHYchecked 1h ago
AUTH NONECORS ✓AGENT ✓HTTPS ✓COMMERCIAL ?

Aggregated prediction-market prices as JSON. Static markets.json endpoint — no authentication.

97HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: 97 · healthy
Uptime history
100%90 days
100%30 days
326P50 · ms
621P95 · ms
operationalpartialdownno data
Response time · last 48 checks
Fastest 48 ms, slowest 607 ms, most recent 85 ms.
Live response samplecaptured by our last successful check
GET https://predscope.com/api/markets.json

{
  "meta": {
    "source": "PredScope",
    "data_source": "Polymarket Gamma API",
    "update_frequency": "10 minutes",
    "total_markets": 551
  },
  "markets": [
    {
      "title": "World Cup Winner",
      "slug": "world-cup-winner",
      "url": "/event/world-cup-winner",
      "volume": 3909523088.69575,
      "volume_24h": 44552606.553254955,
      "liquidity": 63128234.43405,
      "categories": [
        "sports"
      ],
      "outcomes": [
        {
          "title": "France",
          "probability": 0.3485,
          "day_change": -0.002
        },
        {
          "title": "Argentina",
          "probability": 0.1685,
          "day_change": -0.002
        }
      ]
    },
    {
      "title": "Paraguay vs. France - More Markets",
      "slug": "fifwc-par-fra-2026-07-04-more-markets",
      "url": "/event/fifwc-par-fra-2026-07-04-more-markets",
      "volume": 49620703.989081115,
      "volume_24h": 43041971.0996661,
      "liquidity": 0,
      "categories": [
        "sports",
        "culture"
      ],
      "outcomes": [
        {
          "title": "O/U 0.5",
          "probability": 1,
          "day_change": 0.0445
        },
        {
          "title": "France O/U 0.5",
          "probability": 1,
          "day_change": 0.0745
        }
      ]
    }
  ]
}
Call itcurl · fetch · python
curl "https://predscope.com/api/markets.json"
const res = await fetch("https://predscope.com/api/markets.json");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://predscope.com/api/markets.json")
print(res.json())
Endpoints · 6HealthyFULL DOCS ↗
Monitored path responding — GET /api/markets.json326 mschecked 1h ago
GET/api/markets.jsonPROBED

Prediction market odds feed

GET/api

Api — documented GET route.

GET/api/1

Api details by ID (example: 1).

GET/api?limit=10

Api — documented GET route.

GET/api/search?q=test

Search by query parameters.

GET/api/resolved.json

Get resolved prediction market outcomes

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.

PredScope: common questions

Is PredScope free to use?

Yes — PredScope is a free finance API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does PredScope need an API key?

No — PredScope needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).

Can I call PredScope from the browser?

Yes — PredScope returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is PredScope up right now?

As of our last scheduled check, PredScope is healthy with 100% uptime over 90 days and a 326 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.