Polymarket
Prediction markets on Polymarket: events and markets, order books, prices, positions, comments, and the relayer and bridge for trading.
Make a call
One Key for every vendor. This calls List events. $0.00044
The response is Polymarket’s own JSON, passed through unchanged.
How it’s priced
- Per request92 endpoints
- A fixed price per call, shown on each endpoint.
Endpoints92
Every endpoint AIsa serves for Polymarket, as api.aisa.one lists it today. A path opens its page in the docs.
- GET/apis/v1/polymarket/batch-prices-historyGet batch prices history · Retrieve historical price data for multiple markets in a single request.$0.012
- GET/apis/v1/polymarket/bookGet order book · Retrieves the order book summary for a specific token ID. Includes bids, asks, market details, and last trade price.$0.012
- GET/apis/v1/polymarket/booksGet order books (request body) · Retrieves order book summaries for multiple token IDs using a request body.$0.012
- GET/apis/v1/polymarket/builder/tradesGet builder trades · Retrieves trades attributed to a builder code.$0.012
- GET/apis/v1/polymarket/cancel-allCancel all orders · Cancel all open orders for the authenticated user.$0.012
- GET/apis/v1/polymarket/cancel-market-ordersCancel orders for a market · Cancel orders for a specific market, optionally scoped to an asset ID.$0.012
- GET/apis/v1/polymarket/clob-markets/{condition_id}Get CLOB market info · Returns all CLOB-level parameters for a market in a single call — tokens, tick size, base fees, rewards, RFQ status, and fee details.$0.012
- GET/apis/v1/polymarket/data/ordersGet user orders · Retrieve open orders for the authenticated user. Returns paginated results and supports filtering by order, market, asset, and cursor.$0.012
- GET/apis/v1/polymarket/fee-rateGet fee rate · Retrieves the base fee rate for a specific token ID. The fee rate can be provided either as a query parameter or as a path parameter.$0.012
- GET/apis/v1/polymarket/fee-rate/{token_id}Get fee rate by path parameter · Retrieves the base fee rate for a specific token ID using the token ID as a path parameter.$0.012
- GET/apis/v1/polymarket/heartbeatsSend heartbeat · Send a heartbeat to maintain active session status. If heartbeats are not sent regularly, all open orders for the user are automatically canceled.$0.012
- GET/apis/v1/polymarket/last-trade-priceGet last trade price · Retrieves the last trade price and side for a specific token ID. Returns default values of 0.5 for price and empty string for side if no trades found.$0.012
- GET/apis/v1/polymarket/last-trades-pricesGet last trade prices (query parameters) · Retrieves last trade prices for multiple token IDs using query parameters. Maximum 500 token IDs can be requested per call.$0.012
- GET/apis/v1/polymarket/markets-by-token/{token_id}Get market by token · Return the parent market for a given token id.$0.00044
- GET/apis/v1/polymarket/midpointGet midpoint price · Retrieves the midpoint price for a specific token ID. The midpoint is calculated as the average of the best bid and best ask prices.$0.012
- GET/apis/v1/polymarket/midpointsGet midpoint prices (query parameters) · Retrieves midpoint prices for multiple token IDs using query parameters. The midpoint is calculated as the average of the best bid and best ask prices.$0.012
- GET/apis/v1/polymarket/orderPost a new order · Submit a new order to the CLOB API.$0.012
- GET/apis/v1/polymarket/order-scoringGet order scoring status · Check whether a specific order is currently scoring for rewards.$0.012
- GET
/apis/v1/polymarket/order/{orderID}Get single order by ID · Retrieve a specific order by its order hash for the authenticated user or attributed builder account.$0.012 - GET/apis/v1/polymarket/ordersPost multiple orders · Submit multiple orders to the CLOB API in a single request. Maximum array length is 15.$0.012
Platforms built on this API
Platform pages in the catalog that draw on Polymarket’s endpoints.