Event Volume Milestone

Event: event_volume_milestone
Cost: 0.2 credits per delivery

Fires when an event’s aggregated cumulative volume crosses one of your USD milestones. The full payload schema is in the auto-generated Event Volume Milestone callback reference; this page documents the filters and matching behavior.

When to use this

Track when an entire event reaches a notable volume threshold across all its markets.
Spot trending events by watching aggregated volume cross $100K or$ 1M.
Trigger alerts or workflows when an event hits a liquidity milestone within a chosen window.

Subscription filters

Add these to the filters object when you create the subscription. timeframes is required.

Filter	Type	Description
`event_slugs`	string[]	Restrict to specific events by slug (max 500).
`timeframes`	string[]	One or more windows: `1m`, `5m`, `30m`, `1h`, `6h`, `24h`, `7d`, `30d`, `lifetime`.
`milestone_amounts`	integer[]	USD milestone thresholds to fire on (max 500).
`exclude_shortterm_markets`	boolean	Exclude short-term Up/Down markets.

Example

{
  "url": "https://your-server.com/webhooks",
  "event": "event_volume_milestone",
  "filters": {
    "timeframes": ["24h"],
    "milestone_amounts": [100000, 1000000],
    "exclude_shortterm_markets": true
  }
}

Notes

milestone_amounts are USD thresholds. Each amount fires once when the aggregated cumulative volume crosses it.

Last modified on June 3, 2026

Market Volume Milestone

Position Volume Milestone

Introduction

Trader events

Metrics

Holders

Milestones

Spikes

Market lifecycle

Asset prices

Webhooks

Webhook Callbacks

Event Volume Milestone

When to use this

Subscription filters

Example

Notes

​When to use this

​Subscription filters

​Example

​Notes

When to use this

Subscription filters

Example

Notes