Polymarket Get Market Price
Get current price data for a Polymarket token including midpoint, best bid/ask, spread, and last trade price. Fetches multiple price points in parallel for comprehensive market view. Ideal for: price monitoring, trading signals, arbitrage detection, portfolio valuation.
Catalog action Utility
Get current price data for a Polymarket token including midpoint, best bid/ask, spread, and last trade price. Fetches multiple price points in parallel for comprehensive market view. Ideal for: price monitoring, trading signals, arbitrage detection, portfolio valuation.
At a Glance
| Field | Value |
|---|---|
| Action ID | polymarket-get-market-price |
| Category | Utility |
| Connector | Not required |
| Requires gas | No |
| Funds movement | None declared |
| Tags | polymarket, price, market-data, read |
Payload Schema
| Field | Type | Required | Description |
|---|---|---|---|
tokenId | string | Yes | The token ID to get price data for |
Result Schema
| Field | Type | Required | Description |
|---|---|---|---|
tokenId | string | Yes | The token ID queried |
midpoint | number | null | No | Midpoint price between best bid and ask |
bestBid | number | null | No | Best (highest) bid price |
bestAsk | number | null | No | Best (lowest) ask price |
spread | number | null | No | Spread between best bid and ask |
lastTradePrice | number | null | No | Price of the last trade |
Examples
json{ "type": "polymarket-get-market-price", "payload": { "tokenId": "1" }, "children": []}
bashcurl -X POST "https://api.b3os.org/v1/actions/polymarket-get-market-price/test" \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "inputs": { "tokenId": "1" }}'
Payload fields can use workflow expressions such as {{$trigger.body.amount}}, {{$nodes.fetch.result.price}}, and {{$props.asset}} when the value should come from a trigger, prior node, or reusable workflow prop.