Polymarket Historical Prediction Markets is a paid API for AI agents from x402-tools.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Retrieves resolved and historical prediction markets from Polymarket, filterable by date range, slug, or category tag.
Get resolved/historical prediction markets from Polymarket. Filter by date range, slug, or category.
Returns an array of resolved prediction market objects, each containing the market question, possible outcomes (e.g. Yes/No), outcome prices (0-1 scale), total trading volume, liquidity, and a market description.
GEThttps://x402-tools.vercel.app/api/polymarket/historicalUse this endpoint when you need historical or resolved prediction market data from Polymarket — specifically when you want to look up past events, analyze outcomes over a date range, or filter by category (politics, sports, crypto). Prefer this over the trending markets endpoint when you need resolved/closed markets rather than currently active ones.
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"limit": "10",
"offset": "0",
"tag_slug": "politics",
"endDateMax": "2024-03-31",
"endDateMin": "2024-01-01"
}
}
}| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
[
{
"volume": "224191.002165",
"outcomes": [
"Yes",
"No"
],
"question": "Hunter Biden arrested before April?",
"liquidity": 0,
"description": "This market will resolve to \"Yes\" if son of US president Joseph Biden, Hunter Biden, is arrested by March 31, 2024, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nThe primary resolution source for this market will be a consensus of credible reporting, however official information from the governments involved in any action against Hunter Biden and information from Hunter Biden's legal representatives will also be used.",
"outcomePrices": [
"0",
"1"
]
},
{
"volume": "172813.334139",
"outcomes": [
"Yes",
"No"
],
"question": "Will Zelensky remain President of Ukraine through March?",
"liquidity": 0,
"description": "This market will resolve to “Yes” if Volodymyr Zelensky remains the President of Ukraine without interruption from December 7, 2023 through March 31, 2024, 11:59 PM ET. Otherwise, this market will resolve to “No”.\n\nThe resolution source for this market will be the CIA World Factbook page for Ukraine, currently available at https://www.cia.gov/the-world-factbook/countries/ukraine/#government. A consensus of credible reporting will also suffice.",
"outcomePrices": [
"1",
"0"
]
},
{
"volume": "159137.029146",
"outcomes": [
"Yes",
"No"
],
"question": "Biden cognitive test before April?",
"liquidity": 0,
"description": "This market will resolve to \"Yes\" if President Joseph Biden takes a test specifically for measuring his cognitive capacity, and it is publicly reported that he took such a test, between February 12 and March 31, 2024 ET. Otherwise, this market will resolve to \"No\".\n\nThe primary resolution source for this market will be official information from the US government, however a consensus of credible reporting will also be used.",
"outcomePrices": [
"0",
"1"
]
},
{
"volume": "148098.61451",
"outcomes": [
"Yes",
"No"
],
"question": "Saudi and Israel peace deal by March 2024?",
"liquidity": 0,
"description": "This market will resolve to \"Yes\" if a formal peace agreement or normalization deal is publicly announced between the Kingdom of Saudi Arabia and the State of Israel on or before March 31, 2024, 11:59 PM ET. The agreement must be publicly acknowledged and confirmed by official sources from both Saudi Arabia and Israel. This includes, but is not limited to, announcements made by the Saudi Crown Prince or his representatives, Israel's Prime Minister or his representatives, or other official sources such as ministries of foreign affairs.\n\nInformal agreements, unconfirmed reports, or rumors will not count as a valid resolution source. If a deal is reached, it must contain clear terms that signify a normalization of diplomatic relations, such as the establishment of embassies, exchange of ambassadors, or other clear signs of formal diplomatic relations.\n\nFor early resolution, if a peace agreement is publicly announced and confirmed before the expiry date, this market will resolve immediately to \"Yes\". If no formal peace agreement or normalization deal has been publicly announced and confirmed by March 31, 2024, the market will resolve to \"No\".",
"outcomePrices": [
"0",
"1"
]
},
{
"volume": "99623.583928",
"outcomes": [
"Yes",
"No"
],
"question": "Will Putin remain President of Russia through March?",
"liquidity": 0,
"description": "This market will resolve to “Yes” if Vladimir Putin remains the President of Russia without interruption from January 3, 2024 through March 31, 2024, 11:59:59 PM ET. Otherwise, this market will resolve to “No”.\n\nThe resolution source for this market will be the CIA World Factbook page for Russia, currently available at https://www.cia.gov/the-world-factbook/countries/russia/#government. A consensus of credible reporting will also suffice.",
"outcomePrices": [
"1",
"0"
]
},
{
"volume": "59825.936256999994",
"outcomes": [
"Yes",
"No"
],
"question": "Will Sweden join NATO by March 31?",
"liquidity": "0",
"description": "If Sweden has officially joined NATO as a full member state at any point by March 31, 2024, 11:59 PM ET this market will resolve to “Yes”. Otherwise, this market will resolve to \"No.\"\n\nThe primary settlement source for this market will be the official NATO website (https://www.nato.int/cps/en/natohq/nato_countries.htm), however other credible sources may be used.",
"outcomePrices": [
"1",
"0"
]
},
{
"volume": "37027.301095",
"outcomes": [
"Yes",
"No"
],
"question": "Will Biden be impeached by March 31, 2024?",
"liquidity": 0,
"description": "This market will resolve to “Yes“ if the US House of Representatives by simple majority vote to approve or pass one or more articles of impeachment of President Joseph Biden by March 31, 2024, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nNeither trial nor conviction by the US Senate, nor removal from office, is necessary to resolve this market to “Yes“.\n\nIf President Joseph Biden for any reason ceases to be POTUS before being impeached by March 31, 2024 11:59 PM ET, this market will resolve to \"No\".\n\nThe primary resolution source for this market will be information from the federal government of the United States, however a consensus of credible reporting will be used.",
"outcomePrices": [
"0",
"1"
]
},
{
"volume": "27299.726299",
"outcomes": [
"Yes",
"No"
],
"question": "Will anyone from the Epstein documents be indicted by March 31?",
"liquidity": 0,
"description": "This market will resolve to \"Yes\" if anyone mentioned in the 2024 Epstein documents is indicted on charges related to their relationship with Jeffrey Epstein between Jan 10 and March 31, 2024 ET. Otherwise, this market will resolve to \"No\".\n\nNote: if there are further releases of Epstein documents before the resolution date, they will count for this market. \n\nFor the purposes of this market any indictment from the US Federal Government, State Government, District of Columbia and any county, municipality, or other subdivision of a State will count for this market.\n\nThe primary resolution source for this market will be official information from the US government, however a consensus of credible sources will also be used.",
"outcomePrices": [
"0",
"1"
]
},
{
"volume": "25660.454637",
"outcomes": [
"Yes",
"No"
],
"question": "Istanbul Mayoral Election 2024: Will CHP win?",
"liquidity": 0,
"description": "This market will resolve to \"Yes\" if a candidate from the Republican People's Party (CHP, Cumhuriyet Halk Partisi) wins the 2024 Istanbul mayoral election. Otherwise, this market will resolve to \"No\".\n\nThe primary resolution source for this market will be official information from the Turkish government, however a consensus of credible reporting will also suffice.\n",
"outcomePrices": [
"1",
"0"
]
},
{
"volume": "17905.297573",
"outcomes": [
"Yes",
"No"
],
"question": "Istanbul Mayoral Election 2024: Will AK win?",
"liquidity": 0,
"description": "This market will resolve to \"Yes\" if a candidate from the Justice and Development Party (AK Party, Adalet ve Kalkınma Partisi) wins the 2024 Istanbul mayoral election. Otherwise, this market will resolve to \"No\".\n\nThe primary resolution source for this market will be official information from the Turkish government, however a consensus of credible reporting will also suffice.\n",
"outcomePrices": [
"0",
"1"
]
},
{
"volume": "12022.06",
"outcomes": [
"Yes",
"No"
],
"question": "Istanbul Mayoral Election 2024: Will another party win?",
"liquidity": 0,
"description": "This market will resolve to \"Yes\" if a candidate from any party other than either the Republican People's Party (CHP, Cumhuriyet Halk Partisi), or the Justice and Development Party (AK Party, Adalet ve Kalkınma Partisi) wins the 2024 Istanbul mayoral election. Otherwise, this market will resolve to \"No\".\n\nThe primary resolution source for this market will be official information from the Turkish government, however a consensus of credible reporting will also suffice.\n",
"outcomePrices": [
"0",
"1"
]
},
{
"volume": "8565.052235",
"outcomes": [
"Yes",
"No"
],
"question": "Venezuela oil production >1 million barrels/day by Q1 2024?",
"liquidity": "40.583273",
"description": "This market will resolve to \"Yes\" if the average daily oil production in Venezuela exceeds 1 million barrels per day in either Q4 2023 or Q1 2024. Otherwise, this market will resolve to \"No\". \n\nThe values considered will be the barrels/day for both Q4 2023 and Q1 2024. If either of these exceed 1 million barrels per day, this market will resolve to \"Yes.\" Otherwise this market will resolve to \"No.\"\n\nThe resolution source for this market will be direct communication data provided by OPEC, \n(e.g. https://www.opec.org/opec_web/en/publications/338.htm + https://www.opec.org/opec_web/static_files_project/media/downloads/publications/Addendum_October%20MOMR.pdf). Any revisions made to the reported oil production after the initial data release will not impact the outcome of this market. \n\nAnother credible source will be chosen if OPEC releases do not become available.",
"outcomePrices": [
"0",
"1"
]
}
]{
"type": "json",
"example": [
{
"volume": 890000,
"outcomes": [
"Yes",
"No"
],
"question": "Will the Fed cut rates in January 2026?",
"liquidity": 120000,
"description": "This market resolves Yes if...",
"outcomePrices": [
"0.92",
"0.08"
]
}
]
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