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Polymarket

Public prediction market data from Polymarket — browse active markets and events on politics, crypto, sports, and current events. Prices reflect crowd probability. Market titles and descriptions are user-generated content. Free, no key required.

Healthy

Prediction MarketsNo upstream key required

Base URL

https://api.apiclearinghouse.com/v1/call/polymarket

Authenticate with X-Api-Key: chk_live_... header.

GET/markets

Parameters

Name	Type	Required	Description
limit	number	optional	Max markets to return (1-100)(default: 20)

Example Request

curl -s "https://api.apiclearinghouse.com/v1/call/polymarket/markets?limit=20" \
  -H "X-Api-Key: YOUR_API_KEY"

Example Response

{
  "status": "success",
  "data": {
    "markets": "example"
  }
}

GET/events

Parameters

Name	Type	Required	Description
limit	number	optional	Max events to return (1-100)(default: 20)

Example Request

curl -s "https://api.apiclearinghouse.com/v1/call/polymarket/events?limit=20" \
  -H "X-Api-Key: YOUR_API_KEY"

Example Response

{
  "status": "success",
  "data": {
    "events": "example"
  }
}

Try it live

No setup required. Sign in and run Polymarket directly from your browser.

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Rate Limits

Free10/min

Pro100/min

Elite500/min

Monthly limits also apply per plan.

Authentication

Pass your API key in the request header:

X-Api-Key: chk_live_...

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