/v1/markets
Search markets with probabilities
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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.
It works. Grab an API key and use it in your project.
Get an API keyCode snippets
curl "https://api.oanor.com/manifold-api/v1/markets" \ -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/manifold-api/v1/markets", {
headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/manifold-api/v1/markets");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
"https://api.oanor.com/manifold-api/v1/markets",
headers={"x-oanor-key": "oanor_test_..."}
)
Example response
A real response from this endpoint, captured by the latest health check.
{
"data": {
"sort": "score",
"term": "election",
"count": 25,
"filter": "open",
"source": "Manifold",
"markets": [
{
"id": "KmbNYfuOrUnI1w1GSHdb",
"url": "https://manifold.markets/Conflux/who-will-win-the-2026-california-gu",
"slug": "who-will-win-the-2026-california-gu",
"creator": "Conflux",
"question": "Who will win the 2026 California gubernatorial election?",
"close_time": "2026-11-09T07:59:00.000Z",
"resolution": null,
"is_resolved": false,
"volume_mana": 31489.56,
"creator_name": "Conflux 🔗",
"outcome_type": "MULTIPLE_CHOICE",
"liquidity_mana": 655,
"unique_bettors": 55,
"probability_pct": null
},
{
"id": "wpdomi6nif",
"url": "https://manifold.markets/LarsDoucet/will-jd-vance-win-the-2028-us-presi",
"slug": "will-jd-vance-win-the-2028-us-presi",
"creator": "LarsDoucet",
"question": "Will JD Vance win the 2028 US Presidential Election?",
"close_time": "2028-11-08T05:59:00.000Z",
"resolution": null,
"is_resolved": false,
"volume_mana": 588148.33,
"creator_name": "Lars Doucet",
"outcome_type": "BINARY",
"liquidity_mana": 100001,
"unique_bettors": 361,
"probability_pct": 16.18
},
{
"id": "6Pt99ZSgdp",
"url": "https://manifold.markets/MiguelSanchezB/who-will-win-perus-2026-presidentia",
"slug": "who-will-win-perus-2026-presidentia",
"creator": "MiguelSanchezB",
"question": "Who will win Peru's 2026 presidential election?",
"close_time": "2026-09-30T23:59:00.000Z",
"resolution": null,
"is_resolved": false,
"volume_mana": 58067.38,
"creator_name": "Miguel Sánchez",
"outcome_type": "MULTIPLE_CHOICE",
"liquidity_mana": 2000,
"unique_bettors": 70,
"probability_pct": null
},
{
"id": "y00cs8A5AI",
"url": "https://manifold.markets/Jack1/which-party-will-get-second-in-the",
"slug": "which-party-will-get-second-in-the",
"creator": "Jack1",
"question": "Which party will get second in the Makerfield by-election?",
"close_time": "2026-06-20T07:58:00.000Z",
"resolution": null,
"is_resolved": false,
"volume_mana": 8818.29,
"creator_name": "Jack",
"outcome_type": "MULTIPLE_CHOICE",
…