{"uid":"cap_wxpkZH3Pq2IaIcv48s7--","slug":"aisa-mpp-data-apis-polymarket-last-trade-price-f700a6a0","name":"Polymarket Last Trade Price","description":"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.\n\n<!-- aisa-pricing:start -->\nPublished reference price: $0.012 USD per successful request. Account-specific pricing and final settlement may differ.\n<!-- aisa-pricing:end -->","url":"https://api.aisa.one/apis/v1/polymarket/last-trade-price?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["token_id"],"properties":{"token_id":{"type":"string","description":"Token ID (asset ID)"}}},"responseSchema":{"type":"object","required":["price","side"],"properties":{"side":{"enum":["BUY","SELL",""],"type":"string","example":"BUY","description":"Last trade side (BUY or SELL)"},"price":{"type":"string","example":"0.45","description":"Last trade price"}}},"example":null,"exampleRequest":null,"tags":["web-search","financial-data","prediction-markets","weather","travel","data","search"],"displayCostAmount":"0.012","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.012/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.012","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.012","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GUfmh0iYXOXz75e67c06Y","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.012","costPer":"request","priority":0,"asset":"0x20C000000000000000000000b9537d11c60E8b50","unit":"request","depositMicros":null,"planRef":null}],"brandName":"AIsa MPP Data APIs","brandSlug":"aisa-mpp-data-apis-mpp","brandBaseUrl":"https://aisa.one","brandDocsUrl":null,"whatItDoes":"Retrieves the most recent trade price and direction (BUY/SELL) for a specific Polymarket prediction market token.","exampleAgentPrompt":"What was the last trade price and direction for Polymarket token ID 71321663317589786004865993038383591473965197774834854936956222814818618945297?","exampleUseCases":[{"title":"Monitor prediction market entry price","prompt":"I'm about to buy into a Polymarket outcome — can you check the last trade price and whether it was a BUY or SELL for token ID 52114319501245915516055106046884209969926127482827954674443846427813813222030?"},{"title":"Track recent election market activity","prompt":"What's the last price someone paid on the Polymarket token 71321663317589786004865993038383591473965197774834854936956222814818618945297, and was that trade a buy or a sell?"},{"title":"Validate market liquidity before trading","prompt":"Before I place an order, tell me the last trade price and side for Polymarket token 52114319501245915516055106046884209969926127482827954674443846427813813222030 so I know if this market has had any recent activity."}],"resultDescription":"Returns a JSON object with two fields: 'price' (a string representing the last trade price, defaulting to '0.5' if no trades exist) and 'side' (a string enum of 'BUY', 'SELL', or empty string if no trades found).","failureModes":["Token ID not found or invalid — returns default price of 0.5 and empty side string","No trades have occurred for the token — returns default values (0.5 price, empty side) rather than an error","Malformed or missing token_id parameter — likely returns a 400 bad request error","Network or service unavailability — may return 5xx errors"],"whenToPreferThis":"Use this endpoint when you need to know the most recently executed trade price for a specific Polymarket token, especially to gauge recent market activity or last-seen price level. Prefer this over the midpoint or best bid/ask endpoints when you want actual transaction history rather than current order book state.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T06:57:57.918Z","isFirstParty":false,"canonicalSlug":"aisa-mpp-data-apis-polymarket-last-trade-price-f700a6a0"}