Market selection event

The liquidity feed. Fires whenever the resting orders on a market
change — new orders posted, fills, voids, or cancels. This is a
snapshot, not a delta — each event replaces your view of the
market's resting liquidity entirely.

opMeaning
updatedSelection liquidity changed
testTest message for webhook receiver validation
Payload
int64
required

Monotonically increasing event ID for deduplication and ordering.

string
enum
required

updated = selection liquidity changed; test = test message for webhook receiver validation. There's no create/delete for selections.

Allowed:
date-time
required
data
object
required
Response
200

Event acknowledged.

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