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GET
List similar prediction market event groups
Group similar Kalshi and Polymarket events by exact title and schedule proximity.

Authorizations

Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Query Parameters

provider
enum<string>

Optional provider filter before grouping.

Available options:
kalshi,
polymarket
status
enum<string>
Available options:
open,
closed
externalId
string

Provider event external id filter.

category
string

Case-insensitive category filter.

hoursWindow
number
default:36

Window size (hours) used when matching schedule proximity. Non-integers are floored.

Required range: 1 <= x <= 168
maxGroups
integer
default:50

Maximum number of groups returned.

Required range: 1 <= x <= 200
poolLimit
integer
default:8000

Candidate pool size for similarity matching.

Required range: 500 <= x <= 20000

Response

Similar event groups

data
object[]
required
filters
object
required