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PredScope

Prediction market odds feed

📈 FinanceUNMONITORED
AUTH NONECORS ✓AGENT ?HTTPS ✓COMMERCIAL ?

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

—HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
ON PROBE SCHEDULE

We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗

Uptime historystarts after first probe

On our probe schedule. Uptime charts appear after the first check lands.

Example responsefrom provider docs — not verified by us
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 · 6On scheduleFULL DOCS ↗
On schedule — GET /api/markets.json awaits first probe
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

Not tracked yet. Shape-change history starts once this API joins our probe schedule.

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?

PredScope is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.