{"uid":"cap_5rYvCdXA9AT-G2cbaXAB0","slug":"mechamanda-com-e39585f4","name":"Polymarket Trending Markets","description":"Get the top trending prediction markets on Polymarket, sorted by 24h volume. Returns up to 5 markets by default.","url":"https://mechamanda.com/api/polymarket/trending","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"limit":{"type":"string","description":"Max number of events to return (default 5)"},"offset":{"type":"string","description":"Pagination offset (default 0)"},"tag_slug":{"type":"string","description":"Filter by category tag (e.g. politics, sports, crypto)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"array","items":{"type":"object","required":["question","outcomes","outcomePrices","volume"],"properties":{"volume":{"type":"number","description":"Total trading volume"},"outcomes":{"type":"array","items":{"type":"string"},"description":"Possible outcomes (e.g. Yes/No)"},"question":{"type":"string","description":"The market question"},"liquidity":{"type":"number","description":"Current liquidity in the market"},"description":{"type":"string","description":"Market description"},"outcomePrices":{"type":"array","items":{"type":"string"},"description":"Current prices for each outcome (0-1)"}}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"limit":"5","offset":"0"}}},"response":[{"volume":48887977.99232339,"outcomes":["Yes","No"],"question":"Will Spain win the 2026 FIFA World Cup?","liquidity":7504287.17721,"description":"This market will resolve according to the national team that wins the 2026 FIFA World Cup.\n\nIf at any point it becomes impossible for this team to win the FIFA World Cup based on the rules of FIFA (e.g., they are eliminated in the knockout stage), this market will resolve immediately to “No”.\n\nIf the 2026 FIFA World Cup is permanently canceled or has not been completed by October 13, 2026, 11:59 PM this market will resolve to “Other”.\n\nThe primary resolution source will be official information from FIFA, however, a consensus of credible reporting may also be used.","outcomePrices":["0.1465","0.8535"]},{"volume":46534019.552645184,"outcomes":["Yes","No"],"question":"Will New Zealand win the 2026 FIFA World Cup?","liquidity":22188021.64765,"description":"This market will resolve according to the national team that wins the 2026 FIFA World Cup.\n\nIf at any point it becomes impossible for this team to win the FIFA World Cup based on the rules of FIFA (e.g., they are eliminated in the knockout stage), this market will resolve immediately to “No”.\n\nIf the 2026 FIFA World Cup is permanently canceled or has not been completed by October 13, 2026, 11:59 PM this market will resolve to “Other”.\n\nThe primary resolution source will be official information from FIFA, however, a consensus of credible reporting may also be used.","outcomePrices":["0.0005","0.9995"]},{"volume":49491602.35455531,"outcomes":["Yes","No"],"question":"Will Switzerland win the 2026 FIFA World Cup?","liquidity":3817161.96899,"description":"This market will resolve according to the national team that wins the 2026 FIFA World Cup.\n\nIf at any point it becomes impossible for this team to win the FIFA World Cup based on the rules of FIFA (e.g., they are eliminated in the knockout stage), this market will resolve immediately to “No”.\n\nIf the 2026 FIFA World Cup is permanently canceled or has not been completed by October 13, 2026, 11:59 PM this market will resolve to “Other”.\n\nThe primary resolution source will be official information from FIFA, however, a consensus of credible reporting may also be used.","outcomePrices":["0.0085","0.9915"]},{"volume":40525672.845417164,"outcomes":["Yes","No"],"question":"Will England win the 2026 FIFA World Cup?","liquidity":7292038.30547,"description":"This market will resolve according to the national team that wins the 2026 FIFA World Cup.\n\nIf at any point it becomes impossible for this team to win the FIFA World Cup based on the rules of FIFA (e.g., they are eliminated in the knockout stage), this market will resolve immediately to “No”.\n\nIf the 2026 FIFA World Cup is permanently canceled or has not been completed by October 13, 2026, 11:59 PM this market will resolve to “Other”.\n\nThe primary resolution source will be official information from FIFA, however, a consensus of credible reporting may also be used.","outcomePrices":["0.1055","0.8945"]},{"volume":54619549.27111428,"outcomes":["Yes","No"],"question":"Will France win the 2026 FIFA World Cup?","liquidity":6457950.83807,"description":"This market will resolve according to the national team that wins the 2026 FIFA World Cup.\n\nIf at any point it becomes impossible for this team to win the FIFA World Cup based on the rules of FIFA (e.g., they are eliminated in the knockout stage), this market will resolve immediately to “No”.\n\nIf the 2026 FIFA World Cup is permanently canceled or has not been completed by October 13, 2026, 11:59 PM this market will resolve to “Other”.\n\nThe primary resolution source will be official information from FIFA, however, a consensus of credible reporting may also be used.","outcomePrices":["0.1715","0.8285"]}]},"exampleRequest":{"limit":"5","offset":"0"},"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VGXWDdJDogwzqhxb-q1OV","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the top trending prediction markets on Polymarket sorted by 24-hour trading volume","exampleAgentPrompt":"What are the top 10 trending prediction markets on Polymarket right now, filtered to politics topics?","exampleUseCases":null,"resultDescription":"An array of up to N prediction market objects, each containing the market question, possible outcomes (e.g. Yes/No), current outcome prices as probabilities between 0 and 1, total trading volume, available liquidity, and a market description — all sorted by 24-hour volume descending.","failureModes":["Invalid tag_slug returns no results or an error","limit/offset out of range returns empty array","Polymarket data unavailable causes upstream failure","Payment failure (402) if USDC not provided","Rate limiting if called too frequently"],"whenToPreferThis":"Choose this endpoint when you need a real-time snapshot of the most actively traded prediction markets on Polymarket, especially for surfacing trending events in specific categories like politics, sports, or crypto. Prefer this over a general Polymarket search when you want market heat/volume signals rather than a specific named market.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:36:43.230Z","isFirstParty":false}