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GET
/
oi
Get open interest
curl --request GET \
  --url https://data-api.polymarket.com/oi
[
  {
    "market": "0xdd22472e552920b8438158ea7238bfadfa4f736aa4cee91a6b86c39ead110917",
    "value": 123
  }
]

Documentation Index

Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt

Use this file to discover all available pages before exploring further.

Query Parameters

​
market
string[]

0x-prefixed 64-hex string

Pattern: ^0x[a-fA-F0-9]{64}$

Response

Success

​
market
string

0x-prefixed 64-hex string

Pattern: ^0x[a-fA-F0-9]{64}$
Example:

"0xdd22472e552920b8438158ea7238bfadfa4f736aa4cee91a6b86c39ead110917"

​
value
number