{"uid":"cap_OmxvaNTzKhVMJVq9fymIZ","slug":"aisa-mpp-data-apis-polymarket-sampling-markets-de244d18","name":"Polymarket Sampling Markets","description":"Returns sampling markets with richer descriptive metadata, token summaries, and tags.\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/sampling-markets?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"next_cursor":{"type":"string"}}},"responseSchema":{"type":"object","properties":{"data":{"type":"array","items":{"type":"object","properties":{"fpmm":{"type":"string"},"icon":{"type":"string"},"tags":{"type":"array","items":{"type":"string"}},"image":{"type":"string"},"active":{"type":"boolean"},"closed":{"type":"boolean"},"tokens":{"type":"array","items":{"type":"object","properties":{"price":{"type":"number","format":"double"},"winner":{"type":"boolean"},"outcome":{"type":"string"},"token_id":{"type":"string"}}}},"rewards":{"type":"object","properties":{"rates":{"type":"array","items":{"type":"object","properties":{"asset_address":{"type":"string"},"rewards_daily_rate":{"type":"number","format":"double"}}}},"min_size":{"type":"number","format":"double"},"max_spread":{"type":"number","format":"double"}}},"archived":{"type":"boolean"},"neg_risk":{"type":"boolean"},"question":{"type":"string"},"description":{"type":"string"},"market_slug":{"type":"string"},"question_id":{"type":"string"},"condition_id":{"type":"string"},"end_date_iso":{"type":"string","format":"date-time"},"seconds_delay":{"type":"integer"},"maker_base_fee":{"type":"integer","format":"int64"},"taker_base_fee":{"type":"integer","format":"int64"},"game_start_time":{"type":"string","format":"date-time"},"accepting_orders":{"type":"boolean"},"is_50_50_outcome":{"type":"boolean"},"enable_order_book":{"type":"boolean"},"minimum_tick_size":{"type":"number","format":"double"},"minimum_order_size":{"type":"number","format":"double"},"neg_risk_market_id":{"type":"string"},"neg_risk_request_id":{"type":"string"},"notifications_enabled":{"type":"boolean"},"accepting_order_timestamp":{"type":"string","format":"date-time"}}}},"count":{"type":"integer"},"limit":{"type":"integer"},"next_cursor":{"type":"string"}}},"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_b2byKi6-CQD5w49KvVE8h","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":"Returns a paginated list of Polymarket prediction markets with rich metadata including token prices, outcomes, tags, and liquidity reward details.","exampleAgentPrompt":"Can you pull up the latest sampling markets from Polymarket — I want to see what's currently available with their outcome prices, tags, and descriptions?","exampleUseCases":[{"title":"Discovering open election prediction markets","prompt":"Show me all the currently active Polymarket prediction markets related to elections — include their outcome token prices and end dates."},{"title":"Monitoring liquidity reward opportunities","prompt":"I want to find Polymarket markets that have liquidity rewards active right now — show me the daily reward rates and spread requirements for each."},{"title":"Browsing next page of market listings","prompt":"I already loaded the first batch of Polymarket sampling markets — can you fetch the next page using the cursor from the previous response?"}],"resultDescription":"A paginated array of prediction market objects, each containing the market question, description, outcome tokens with prices and winner flags, tags, icon, image, active/closed/archived status, end date, condition ID, FPMM address, maker/taker fees, minimum order/tick sizes, reward rates, and a next_cursor for pagination.","failureModes":["Invalid or expired next_cursor returns empty results or an error","Network timeout if Polymarket's underlying data is slow","Empty data array if no sampling markets are currently available","Malformed cursor parameter causing a 400 bad request"],"whenToPreferThis":"Use this endpoint when you need enriched Polymarket market listings with token price summaries, descriptive metadata, and tags — particularly useful for discovery and browsing use cases. Prefer this over raw Polymarket API access when you want pay-per-request simplicity without managing Polymarket authentication or rate limits.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T06:56:15.465Z","isFirstParty":false,"canonicalSlug":"aisa-mpp-data-apis-polymarket-sampling-markets-de244d18"}