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$ man polymarket-markets

/polymarket-markets

agentutility / edge-finance / polymarket-markets
PRICE / CALL
$0.005
USDC · base mainnet · scheme: exact
METHOD
POST
CATEGORY
uncategorized
STATUS
live
NAME
polymarket-markets lists live polymarket prediction markets from gamma-api, with filters for category, tag, free-text query, and minimum liquidity
SYNOPSIS
POST https://x402.agentutility.ai/polymarket-markets
     Content-Type: application/json
     X-PAYMENT:    <signed-transferWithAuthorization>

     { ... }
↳ first call → 402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.
DESCRIPTION

Lists live Polymarket prediction markets from gamma-api, with filters for category, tag, free-text query, and minimum liquidity. Returns market question, current YES/NO outcome prices (implied probabilities), 24-hr volume, liquidity, end date. DATA-ONLY, no trading. Useful for agent forecasting research and arbitrage detection. Use it as a Polymarket API, prediction market data feed, crypto-settled betting odds source, event odds lookup, or Polymarket browse endpoint.

INPUTrequest schema
propertytypedescriptionreq?
querystringFree-text filter applied to question + description + slug. Case-insensitive substring match against the current page.optional
categorystringFilter by Polymarket category (substring match, e.g. 'Sports', 'Crypto', 'Politics').optional
tagstringPolymarket tag slug filter, passed through to upstream.optional
activebooleanDefault true. Pass false to include inactive markets.optional
closedbooleanDefault false. Pass true to include closed markets.optional
limitnumber1-100. Default 20.optional
offsetnumberPagination offset.optional
orderstringSort field.
enum: volume24hr · liquidity · endDate · startDate
optional
ascendingbooleanSort direction.optional
min_liquiditynumberMinimum liquidity in USD.optional
OUTPUTresponse shape
fieldtypedescription
marketsstringArray of Polymarket markets with question, YES/NO prices, 24-hr volume, liquidity, and end date.
countstringNumber of markets returned in the markets array after filters are applied.
attributionstringSource credit for the data, pointing to Polymarket's gamma-api as the upstream provider.
EXAMPLEStwo ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.agentutility.ai/polymarket-markets \
  -H 'Content-Type: application/json' \
  -d '{ }'
first response = 402 Payment Required with payment requirements; sign + retry with X-PAYMENT.
EXAMPLE 2 · mcp
# Install the MCP package for this endpoint's cluster
npx -y @agentutility/mcp-<cluster>

# Required: EVM private key with USDC on Base
export X402_PRIVATE_KEY=0x...

# Then call the polymarket-markets tool from your MCP-aware agent.
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
tags
edge-financeprediction-marketspolymarketbetting-oddsevent-probabilitiesmarket-liquidityforecastingpolymarket-gamma
methods
POST
cluster
edgefinance
price
$0.005 USDC per call
ADJACENTother endpoints in edgefinance
endpointdescriptionprice
kalshi-marketsLists live Kalshi event contract markets from api.elections.kalshi.com, with filters for status, series ticker, event ticker, free-text q…$0.005
market-filterFilters Polymarket prediction markets by query, category, tag, liquidity, open/closed status, and sort order, on a demand-matching route.$0.005
marketsLists and searches Polymarket prediction markets, backed by gamma-api public market data under an exact buyer-demand slug.$0.005
polymarket-filterPolymarket filter API / filter prediction markets by category, query, tag, status, liquidity, and sort order.$0.005
polymarket-leaderboardReturns the Polymarket leaderboard: top accounts by realized profit OR notional volume over 1d/1w/1m/all-time windows.$0.005
polymarket-searchSearches Polymarket prediction markets by question, description, and slug over the returned market page, with optional category/tag/liqui…$0.005
polymarket-tradesRecent trades from any Polymarket market (by slug or conditionId) or for a specific wallet.$0.005
prediction-marketsList and search active Polymarket prediction markets with outcome probabilities, liquidity, volume, end dates, and URLs.$0.005
SEE ALSO
agentutility · edgefinance · x402 · mcp · llms.txt · registry.json · bazaar.x402.org