Global Open Interest

Total platform-wide open interest from onchain data.

GET /v2/onchain/oi

Global open interest (onchain)

cURL

curl --request GET \
  --url https://api.polynode.dev/v2/onchain/oi

Returns the total open interest across the entire Polymarket platform, sourced from onchain data.

Request

GET /v2/onchain/oi

No parameters required.

Response

{
  "source": "onchain",
  "open_interest_usdc": 488484168.103811
}

Field	Type	Description
open_interest_usdc	number	Total platform open interest in USDC

Example

curl "https://api.polynode.dev/v2/onchain/oi" \
  -H "x-api-key: YOUR_KEY"

Response

200

Global open interest