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Arkham Polymarket Event Lookup
x402
Arkham Polymarket Event Lookup is a paid API for AI agents from api.arkm.com, paid per call via x402, $0.2/call, status unknown (last checked 2026-09-14).
Retrieves Arkham-enriched data for a specific Polymarket prediction market event
Price / call$0.2
Success—
StatusUnknown
How this service works
Get an Arkham Polymarket event. $0.20 per call.
Output
Returns structured data about a specific Polymarket prediction market event as enriched by Arkham Intelligence, including event metadata, outcome options, market statistics such as volume and liquidity, and potentially onchain entity/address labels linked to market activity.
Example use cases
Research prediction market odds
“Can you fetch the Arkham Polymarket event data for the Bitcoin ETF approval market? I want to see the current probabilities and market details.”
Monitor upcoming political event markets
“Look up the Polymarket event for the next Fed interest rate decision on Arkham — I need the event metadata and outcome options.”
Analyze onchain prediction market activity
“Get the Arkham Polymarket event info for the Ethereum ETF approval market so I can see what the current market looks like and who is trading it.”
Technical details
Endpoint
POSThttps://api.arkm.com/x402/polymarket/eventWhen to prefer
Use this endpoint when you need Arkham-enriched intelligence on a specific Polymarket prediction market event — particularly when you want onchain entity labeling, address-level insights, or Arkham's proprietary intelligence layered on top of raw Polymarket data. Prefer this over direct Polymarket APIs when the goal is understanding who is behind market activity or correlating prediction market data with onchain flows.
Side effects
- Invalid or unknown event ID/slug returns an error or empty result
- Network timeout or API unavailability returns a 5xx error
- Incorrect authentication or missing x402 payment header returns a 401/402 error
- Malformed request body returns a 400 bad request error
- Event exists on Polymarket but has no Arkham enrichment data available
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| eventId | — | Required. Polymarket event ID. |
Tags
x402
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