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Arkham x402 Polymarket Prices
x402
Arkham x402 Polymarket Prices is a paid API for AI agents from api.arkm.com, paid per call via x402, $0.4/call, status unknown (last checked 2026-09-14).
Fetches historical or interval-based price data for a Polymarket prediction market token via Arkham's wallet intelligence platform using x402 pay-per-request.
Price / call$0.4
Success—
StatusUnknown
How this service works
Get Arkham Polymarket prices. Provide at least one of: tokenAddress, conditionID. $0.40 per call.
Output
Returns a JSON object containing an array of price data points for the specified Polymarket token, along with the end time of the query window, the time interval used (e.g. '1h'), and the token address that was queried.
Example use cases
Track prediction market price movement
“Can you get me the hourly price data for Polymarket token 0x7baa312d6393ea83c631fb77b47061651a2a9992c40fcac017009611d6a03df4 ending July 21, 2026? I want to see how prices moved over time.”
Analyze market before placing a bet
“Before I trade on this Polymarket outcome, can you pull the recent price history for token 0x7baa312d6393ea83c631fb77b47061651a2a9992c40fcac017009611d6a03df4 at 1-hour intervals so I can see the trend?”
Monitor arbitrage opportunities
“Check the price series on Arkham for Polymarket token 0x7baa312d6393ea83c631fb77b47061651a2a9992c40fcac017009611d6a03df4 — I need the latest data through end of July 2026 at hourly resolution to look for arbitrage windows.”
Technical details
Endpoint
POSThttps://api.arkm.com/x402/polymarket/pricesWhen to prefer
Use this endpoint when you need structured, interval-based price history for a specific Polymarket prediction market token and want to leverage Arkham's on-chain intelligence data. Prefer this over generic DEX price APIs when you need Polymarket-specific coverage and are already operating within an x402 micropayment flow.
Side effects
- Invalid or unrecognized Polymarket token address returns empty prices array
- Insufficient x402 USDC payment results in 402 Payment Required error
- Malformed end time or unsupported interval value causes request rejection
- Token address for a non-Polymarket asset returns no data
- Rate limiting or quota exceeded on the Arkham API
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | — | Max number of price points to return (1-7500). Default: 500, or 7500 for interval=1s and interval=5s. When the requeste… |
| range | — | Window selector anchored on the token's last bucket: 1d, 1w, 1m, all. Server picks the granularity. Overrides startTime… |
| endTime | — | Optional Unix timestamp in seconds for end of range. Ignored when range is set. |
| interval | — | Price interval: 1s, 5s, 1m, 1h, 1d, auto. Default: 1h. 1s and 5s require startTime and endTime, with a maximum 2-hour s… |
| startTime | — | Optional Unix timestamp in seconds for start of range. Ignored when range is set. |
| conditionID | — | Market condition ID (0x-prefixed bytes32 hex). Returns prices for the first outcome (outcome_index=0) token. Provide ex… |
| tokenAddress | — | Polymarket token address (0x-prefixed hex). Provide exactly one of tokenAddress or conditionID. |
Output
Schema · Response
{
"type": "json",
"example": {
"prices": [],
"endTime": "2026-07-21T18:13:23.852372246Z",
"interval": "1h",
"tokenAddress": "0x7baa312d6393ea83c631fb77b47061651a2a9992c40fcac017009611d6a03df4"
}
}Tags
x402
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