Polymarket Events by Latest End Date (Keyset Listing)
omnial/polymarket-events-latest-end-date-keyset
Returns 20 Polymarket events ordered by end date, latest first, from the keyset-paged events listing: each event's id, ticker, slug, title, resolution rules, start and end dates, status, market count, order-book and negative-risk flags, lifetime volume and trades, liquidity, open interest, rolling 1, 7 and 30 day volume, trade counts and open-interest change, and its series. Takes no input. In testing every event was open and most were upcoming sports games.
activeper callv1
Price
Up to $0.0128 per call; you pay what the call used
The price shown is the price you pay. No monthly minimum. Top-ups start at $5.
Data source
Polymarket
Data from Polymarket.
Use it
Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.
agent
// 1. search: find the tool
omnial_search({ query: "what you need" })
// 2. inspect: price and input schema
omnial_inspect({ tool: "omnial/polymarket-events-latest-end-date-keyset" })
// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "omnial/polymarket-events-latest-end-date-keyset" })
// 4. run: price the exact call first, then run it
omnial_execute({ tool: "omnial/polymarket-events-latest-end-date-keyset", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "omnial/polymarket-events-latest-end-date-keyset", input: { /* ... */ } })
// 5. settle: the call is charged when it finishes, nothing to doNot connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.
Pricing
Every charge this tool can incur.
| Charge | Price |
|---|---|
Per call | $0.0128 |
- Updated
- Oct 14, 2026
Input and output schemas
Input schema
input_schema.json
{
"type": "object",
"properties": {},
"additionalProperties": false
}Output schema
output_schema.json
{
"type": "object",
"properties": {
"events": {
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "string",
"description": "The event's Polymarket id."
},
"slug": {
"type": "string",
"description": "The event slug."
},
"title": {
"type": "string",
"description": "The event title, such as a matchup."
},
"series": {
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "string",
"description": "The series id."
},
"slug": {
"type": "string",
"description": "The series slug."
},
"title": {
"type": "string",
"description": "The series title, such as a league and season."
},
"ticker": {
"type": "string",
"description": "The series ticker."
},
"recurrence": {
"type": "string",
"description": "How often the series recurs, such as daily."
}
}
},
"description": "The series the event belongs to."
},
"status": {
"type": "string",
"description": "Event status, such as open."
},
"ticker": {
"type": "string",
"description": "The event ticker."
},
"end_date": {
"type": "string",
"description": "When the event is scheduled to end, ISO 8601 UTC."
},
"neg_risk": {
"type": "boolean",
"description": "Whether the event uses negative-risk markets."
},
"start_date": {
"type": "string",
"description": "When the event was listed for trading, ISO 8601 UTC."
},
"description": {
"type": "string",
"description": "The event's resolution rules, plain text."
},
"market_count": {
"type": "number",
"description": "Number of markets in the event."
},
"liquidity_usd": {
"type": "number",
"description": "Current liquidity, USD."
},
"current_oi_usd": {
"type": "number",
"description": "Current open interest, USD."
},
"rolling_metrics": {
"type": "object",
"properties": {
"buys_1d": {
"type": "number",
"description": "Buy trades, last 1 day."
},
"buys_7d": {
"type": "number",
"description": "Buy trades, last 7 days."
},
"buys_30d": {
"type": "number",
"description": "Buy trades, last 30 days."
},
"sells_1d": {
"type": "number",
"description": "Sell trades, last 1 day."
},
"sells_7d": {
"type": "number",
"description": "Sell trades, last 7 days."
},
"sells_30d": {
"type": "number",
"description": "Sell trades, last 30 days."
},
"trades_1d": {
"type": "number",
"description": "Trades, last 1 day."
},
"trades_7d": {
"type": "number",
"description": "Trades, last 7 days."
},
"volume_1d": {
"type": "number",
"description": "Volume, USD, last 1 day."
},
"volume_7d": {
"type": "number",
"description": "Volume, USD, last 7 days."
},
"trades_30d": {
"type": "number",
"description": "Trades, last 30 days."
},
"volume_30d": {
"type": "number",
"description": "Volume, USD, last 30 days."
},
"computed_at": {
"type": "string",
"description": "When these rolling figures were computed, ISO 8601 UTC."
},
"oi_change_1d": {
"type": "number",
"description": "Change in open interest, USD, last 1 day."
},
"oi_change_7d": {
"type": "number",
"description": "Change in open interest, USD, last 7 days."
},
"buy_volume_1d": {
"type": "number",
"description": "Buy-side volume, USD, last 1 day."
},
"buy_volume_7d": {
"type": "number",
"description": "Buy-side volume, USD, last 7 days."
},
"oi_change_30d": {
"type": "number",
"description": "Change in open interest, USD, last 30 days."
},
"buy_volume_30d": {
"type": "number",
"description": "Buy-side volume, USD, last 30 days."
},
"sell_volume_1d": {
"type": "number",
"description": "Sell-side volume, USD, last 1 day."
},
"sell_volume_7d": {
"type": "number",
"description": "Sell-side volume, USD, last 7 days."
},
"sell_volume_30d": {
"type": "number",
"description": "Sell-side volume, USD, last 30 days."
}
},
"description": "Rolling 1, 7 and 30 day activity."
},
"trades_all_time": {
"type": "number",
"description": "Lifetime trade count."
},
"total_volume_usd": {
"type": "number",
"description": "Lifetime volume, USD."
},
"enable_order_book": {
"type": "boolean",
"description": "Whether the order book is enabled."
}
}
},
"description": "20 events, ordered by end date, latest first."
},
"pagination": {
"type": "object",
"properties": {
"count": {
"type": "number",
"description": "Events returned."
},
"limit": {
"type": "number",
"description": "Page size used."
},
"has_more": {
"type": "boolean",
"description": "Whether more events exist."
}
},
"description": "Counts only; this tool does not page."
}
},
"description": "Polymarket events, latest end date first."
}