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Prediction Market APIPolymarket

Prediction Markets

Données Polymarket de niveau production — marchés, prix, activité et P&L — via une seule API HTTP

Alimentez le backtesting IA, les applications de copy-trading et les tableaux de bord de portefeuille avec des données on-chain Polygon enrichies de métadonnées Polymarket. Intégré au Token API.

  • ✓Endpoints REST en lecture seule : marchés, OHLCV, open interest, activité, positions et agrégats de plateforme
  • ✓Données d'événements on-chain depuis Polygon, enrichies par le scraper Polymarket
  • ✓Passe à l'échelle des scripts de recherche ponctuels aux agents de trading toujours actifs
Obtenir un accès API📊 See more Stats! →

Ce que vous obtenez avec le Prediction Markets API

Endpoints REST

Markets, OHLCV, OI, activité, positions, plateforme, utilisateurs

Polygon on-chain

Trades, splits, merges, redemptions — au niveau de la transaction

P&L par utilisateur

PNL réalisé et latent, prix de revient, prix courant

Rafraîchissement horaire

Classements agrégés mis à jour en continu

// 01 · Headline metrics

24-hour macro

Six complete 4-hour buckets, 2026-04-25 20:00 → 2026-04-26 16:00 UTC. Partial current window excluded.

Net open interest · peak bucket↗ +10.1% over window
$47.49M
Outcome-share liquidity locked at 2026-04-26 12:00 UTC — the highest of the window. Bucket average $28.70M · 24h OI flow $172.22M.
Buy vs. sell volume · 24h
3.26×Sell-side dominated every bucket. $102.53M sold vs $31.46M bought across $133.99M of total notional.
23.5%BUY
SELL76.5%
Buy volume$31.46M
Sell volume$102.53M
Total fees17.91%
$23.99M
Vol-weighted rate.
Total trades↗ 99.5k/hr
2.39M
443.3k buys · 1.94M sells.
Avg trade size6 buckets
$56.14
Volume / trades. Sell-weighted.
OI transactionssplit/merge
3.66M
3.40M splits · 257.9k merges.
// hot markets · all-time

Hot markets

Highest-volume Polymarket markets to date, sorted by lifetime notional. Queried live via /v1/polymarket/markets.

  1. 01

    Will Jesus Christ return before 2027?

    Nov 25, 2025 → Dec 31, 2026ActiveYesNo
    $58.7M
    Lifetime vol
  2. 02

    Will LeBron James win the 2028 US Presidential Election?

    Jul 11, 2025 → Nov 7, 2028ActiveYesNo
    $48.6M
    Lifetime vol
  3. 03

    Will the Fed decrease interest rates by 50+ bps after the April 2026 meeting?

    Nov 13, 2025 → Apr 29, 2026ActiveYesNo
    $45.0M
    Lifetime vol
  4. 04

    Will Tim Walz win the 2028 US Presidential Election?

    Jul 11, 2025 → Nov 7, 2028ActiveYesNo
    $40.4M
    Lifetime vol
  5. 05

    Will Mike Pence win the 2028 Republican presidential nomination?

    Jul 11, 2025 → Nov 7, 2028ActiveYesNo
    $39.1M
    Lifetime vol
  6. 06

    Will Byron Donalds win the 2028 Republican presidential nomination?

    Jul 11, 2025 → Nov 7, 2028ActiveYesNo
    $37.0M
    Lifetime vol
  7. 07

    Will Kim Kardashian win the 2028 US Presidential Election?

    Jul 11, 2025 → Nov 7, 2028ActiveYesNo
    $33.9M
    Lifetime vol
  8. 08

    Will the Iranian regime fall by June 30?

    Dec 17, 2025 → Jun 30, 2026ActiveYesNo
    $33.0M
    Lifetime vol
// 02 · Flow over time

Volume, bucketed

Each bar is a complete 4-hour window. Peak activity at 2026-04-26 12:00 UTC.

Traded volume · stacked buy / sell

$133.99M / 24h

Sum of buy + sell volume across the 6 complete buckets. Peak bucket $30.81M (2026-04-26 12:00). Bucket average $22.33M.

BuySell
$0$9M$18M$26M$35M20:00Apr 2500:00Apr 2604:0008:0012:0016:00
avg bucket $22.33Mpeak 2026-04-26 12:00 · $30.81Mlow 2026-04-26 04:00 · $13.00M
// 03 · Raw buckets

Hourly breakdown

Exact response, newest first. Partial current bucket excluded from totals.

Bucket (UTC)VolumeBuySellTradesNet OIFeesRate
2026-04-26 16:00$28,183,504$6,829,482$21,354,022466,470$30,148,880$5,882,50420.87%
2026-04-26 12:00$30,813,105$6,630,116$24,182,989433,530$47,494,585$4,984,99316.18%
2026-04-26 08:00$20,259,101$5,086,437$15,172,663359,139$30,485,419$3,319,16316.38%
2026-04-26 04:00$13,001,058$2,499,122$10,501,936323,287$15,291,837$1,710,10313.15%
2026-04-26 00:00$19,123,704$4,798,572$14,325,131379,441$21,410,988$3,401,42117.79%
2026-04-25 20:00$22,608,271$5,613,595$16,994,676424,994$27,383,699$4,694,43520.76%
6 rows · complete buckets only · usdc 6dp normalizedquery 146 ms · refreshes ≤ 60s

Comment les équipes l'utilisent

Trois schémas les plus fréquents. Chacun utilise un sous-ensemble des endpoints — vous pouvez les combiner.

01

Backtesting de trading IA

Rejouez l'historique des prix par jeton de résultat et testez vos stratégies face à de vrais événements de liquidité. Combinez OHLCV et flux d'activité pour reconstruire les exécutions et les frais barre par barre.

  • GET/v1/polymarket/markets/ohlc
  • GET/v1/polymarket/markets/activity
Sample response
[
  {
    "timestamp": "2026-04-01 00:00:00",
    "open": 0.997,
    "high": 0.998,
    "low": 0.997,
    "close": 0.998,
    "volume": 295143.37,
    "trades": 1206,
    "buys": 498,
    "sells": 708,
    "unique_makers": 592,
    "unique_takers": 121,
    "total_fees": 0,
    "fee_count": 0,
    "effective_fee_rate": 0,
    "market": {
      "condition_id": "0x6331a779482df72d904c3c1e12b6409ff836bc06f8c97945cba9b25ada2c605c",
      "market_slug": "will-the-portland-trail-blazers-win-the-2026-nba-finals",
      "token_id": "48262548906086150698299934962091284390063927164151224719187427455086357699251",
      "outcome_label": "No",
      "closed": false
    }
  }
]

02

Copy Trading

Suivez les meilleurs traders du classement utilisateurs et reproduisez leurs entrées et sorties. Le flux d'activité émet chaque trade, split, merge et redemption avec l'horodatage au niveau du bloc.

  • GET/v1/polymarket/users
  • GET/v1/polymarket/markets/activity
Sample response
[
  {
    "event_type": "trade",
    "timestamp": "2026-04-02 16:51:31",
    "block_num": 85014327,
    "tx_hash": "0xf190865afd395e2f4b8f2e5f8ceb2c05a86d94a73ea411e8a8a3fc649924c420",
    "user": "0x38e598961dd0456a7fb2e758bd433d3e59fb8a4a",
    "amount": "3976744",
    "value": 3.98,
    "fee_amount": "526315",
    "fee_value": 0.53,
    "market": {
      "condition_id": "0xcb37916b953e6b37a5be32ceabc5a093614be15d9e6abb7668bf6400fbf36d46",
      "market_slug": "bitcoin-up-or-down-on-april-3-2026",
      "token_id": "3861173442961229042274748637211736540847931193208187121747580704941582603312",
      "outcome_label": "Down",
      "closed": false
    }
  }
]

03

P&L de portefeuille utilisateur

Construisez des tableaux de bord de wallet et des exports fiscaux qui affichent les positions d'un utilisateur sur chaque jeton de résultat — avec prix de revient, prix courant et PNL réalisé vs latent.

  • GET/v1/polymarket/users/positions
  • GET/v1/polymarket/markets/positions
Sample response
[
  {
    "user": "0x38e598961dd0456a7fb2e758bd433d3e59fb8a4a",
    "buy_cost": 6438.35,
    "sell_revenue": 247.09,
    "realized_pnl": -6191.26,
    "unrealized_pnl": 9005.64,
    "total_pnl": 2814.38,
    "pnl_pct": -0.96,
    "net_position": 9096.61,
    "avg_price": 0.68,
    "current_price": 0.99,
    "position_value": 9005.64,
    "active": true,
    "buys": 693,
    "sells": 20,
    "transactions": 713,
    "market": {
      "condition_id": "0x59feadddd58e7821c086ee9f3dc4f544514b94ebd0e8d645a3c4d80ebdd354a2",
      "market_slug": "btc-updown-5m-1771359600",
      "token_id": "25362470215305294361999917933416973453076214567033270695579745712197481070383",
      "outcome_label": "Up",
      "closed": false
    }
  }
]

Endpoints REST

Voir la documentation officielle: https://app.pinax.network/docs

Markets

5 endpoints
GET/v1/polymarket/markets
FREE
GET/v1/polymarket/markets/ohlc
GET/v1/polymarket/markets/oi
GET/v1/polymarket/markets/activity
GET/v1/polymarket/markets/positions

Users

2 endpoints
GET/v1/polymarket/users
GET/v1/polymarket/users/positions

Platform

1 endpoint
GET/v1/polymarket/platform

Comment ça fonctionne

Même schéma que le reste du Token API — générez une clé API, appelez l'endpoint, analysez le JSON.

1

Demandez des identifiants API à Pinax

2

Choisissez l'endpoint adapté à votre cas d'usage

3

Appelez-le depuis votre app, notebook ou client MCP

4

Livrez votre stratégie, dashboard ou agent

Questions fréquentes

Same data, one endpoint.

Platform, markets, users, OHLC — all under /v1/polymarket/*. Free tier starts at 100 req/s.

Get API key →Lire la documentation

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