ASasksurf
Prediction Market

Polymarket Open Interest History

Daily open interest time series showing total value locked in a Polymarket market.

Data refresh: ~30 minutes

get/gateway/v1/prediction-market/polymarket/open-interest

Request

  • Base URL
    https://api.asksurf.ai
  • Auth
    HTTP bearer

Query parameters

condition_idstring required

Market condition identifier

Example:0x6fefc0438c7598b23531457c8c60541990d0786bd4bd9dfc3eabc8d95c291092
time_range'7d' | '30d' | '90d' | '180d' | '1y'

Window of history to return: 7d, 30d, 90d, 180d, or 1y. This endpoint uses time_range only — it does NOT accept interval.

Example:30d

Response

OK

$schemastring uri

A URL to the JSON Schema for this object.

Example response

{
  "$schema": "https://example.com/schemas/DataResponsePolymarketOIPoint.json"
}

Changes

No recorded changes to this operation across all 12 revisions of this API.