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GET
/
v1
/
prediction_markets
/
similar_events
List similar prediction market event groups
curl --request GET \
  --url http://127.0.0.1:3003/v1/prediction_markets/similar_events \
  --header 'Authorization: Bearer <token>'
{
  "data": [
    {
      "events": [
        {
          "category": "Crypto",
          "id": "evt_0cd327036fd54b93953b8f17",
          "provider": "kalshi",
          "scheduledAt": "2026-04-30T23:00:00.000Z",
          "status": "open",
          "title": "Will ETH exceed $5000 in April?"
        },
        {
          "category": "Crypto",
          "id": "evt_3f30a9b7f4ea4bc7b70bf39c",
          "provider": "polymarket",
          "scheduledAt": "2026-05-01T00:00:00.000Z",
          "status": "open",
          "title": "Will ETH exceed $5000 in April?"
        }
      ],
      "hoursSpan": 1,
      "maxScheduledAt": "2026-05-01T00:00:00.000Z",
      "minScheduledAt": "2026-04-30T23:00:00.000Z",
      "title": "Will ETH exceed $5000 in April?"
    }
  ],
  "filters": {
    "hoursWindowHours": 36,
    "maxGroups": 50,
    "poolLimit": 8000,
    "provider": "kalshi",
    "status": "open"
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.monetary.dev/docs/llms.txt

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

Group similar Kalshi and Polymarket events by exact title and schedule proximity. 
curl -sS "$MONETARY_API_BASE_URL/v1/prediction_markets/similar_events?hoursWindow=24&maxGroups=10" \
  -H "Authorization: Bearer $MONETARY_API_TOKEN" \
  -H "Accept: application/json"

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