# Polymarket Markets Scraper - Prices, Volume & Odds (`kasumilab/polymarket-markets-scraper`) Actor

Get Polymarket prediction markets with current outcome prices, 24h volume and liquidity. Filter by keyword, tag (politics, crypto, sports...) or event, sort by volume. Reads Polymarket's public Gamma API, no login, no proxy.

- **URL**: https://apify.com/kasumilab/polymarket-markets-scraper.md
- **Developed by:** [Kasumi Lab](https://apify.com/kasumilab) (community)
- **Categories:** Business, Automation
- **Security:** Limited permissions
- **Stats:** 2 total users, 1 monthly users, 100.0% runs succeeded, 0 bookmarks
- **User rating**: No ratings yet

## Pricing

from $1.00 / 1,000 markets

This Actor is paid per event. You are not charged for the Apify platform usage, but only a fixed price for specific events.

Learn more: https://docs.apify.com/actors/running/actors-in-store.md#pay-per-event

## What's an Apify Actor?

An Actor is a serverless cloud program that runs on the Apify platform. It has two run modes.
In Batch mode, an Actor accepts a well-defined JSON input, performs an action which can take anything from a few seconds to a few hours,
and optionally produces a well-defined JSON output, datasets with results, or files in key-value store.
In Standby mode, an Actor provides a web server which can be used as a website, API, or an MCP server.

Apify vocabulary and the platform model are defined once, in the agent quickstart at https://apify.com/agents.md.

## How to integrate an Actor?

If asked about integration, you help developers integrate Actors into their projects.
You adapt to their stack and deliver integrations that are safe, well-documented, and production-ready.

Do not guess an integration path. Every one of them is in the agent quickstart at https://apify.com/agents.md: the Apify MCP server, Agent Skills with the Apify CLI, the JavaScript and Python clients, the REST API, and the account-free path for an agent with no human to sign in. It also carries the rule on stating cost before the first paid run.

For examples already wired to this Actor's own input schema, see the [API](#api) section below.

Each client library has reference documentation the quickstart does not restate: [JavaScript/TypeScript](https://docs.apify.com/api/client/js/docs.md) (`npm install apify-client`) and [Python](https://docs.apify.com/api/client/python/docs.md) (`pip install apify-client`).

# README

## Polymarket Markets Scraper - Prices, Volume & Odds

Get **Polymarket** prediction markets with current outcome prices, 24h volume and liquidity, as clean rows for a spreadsheet, a dashboard, a trading bot or an AI agent.

The Actor reads Polymarket's public Gamma API. No API key, no wallet and no login are needed. A default run (the top 100 politics and crypto markets by 24h volume) takes about a second.

### What you can do with it

- See the most traded markets right now, overall or in one tag such as `politics`, `crypto`, `sports`, `nfl`, `bitcoin`, `weather`, `economy`.
- Track implied probabilities over time by scheduling the Actor.
- Search markets by keyword and export them with prices and volume.
- Pull every market of one event, for example all candidates of an election.
- Find markets closing in the next days with a minimum volume.
- Compare odds with other exchanges using the `conditionId` and `clobTokenIds`.

### Input

| Field | What it does |
|---|---|
| `search` | Keywords to search events by, for example `bitcoin`, `fed`, `election`. |
| `tags` | Polymarket tag slugs. Each tag is read separately. Leave empty for all tags. |
| `eventSlugs` | Event URLs or slugs. All markets of each event are returned. |
| `status` | `open` (default), `closed` or `all`. |
| `sortBy` | `volume24hr` (default), `volume`, `liquidity`, `endDate` (soonest first) or `newest`. |
| `minVolume24h` | Skip markets that traded less than this (USD) in the last 24 hours. |
| `closesWithinDays` | Keep only markets that end in the next N days. |
| `includeDescription` | Add the resolution description text. |
| `maxItems` | Maximum number of markets to save. Default 500, `0` means no limit (hard cap 20,000). |

If `eventSlugs` or `search` are set, `tags` are ignored.

Top 100 crypto markets by 24h volume:

```json
{
  "tags": ["crypto"],
  "sortBy": "volume24hr",
  "maxItems": 100
}
```

All markets of one event:

```json
{
  "eventSlugs": ["https://polymarket.com/event/brazil-presidential-election"],
  "status": "all",
  "maxItems": 0
}
```

Sports markets ending in the next 2 days with real volume:

```json
{
  "tags": ["sports"],
  "sortBy": "endDate",
  "closesWithinDays": 2,
  "minVolume24h": 1000
}
```

### Output

One item per market:

```json
{
  "id": "601819",
  "question": "Will Luiz Inácio Lula da Silva win the 2026 Brazilian presidential election?",
  "slug": "will-luiz-incio-lula-da-silva-win-the-2026-brazilian-presidential-election",
  "groupItemTitle": "Luiz Inácio Lula da Silva",
  "eventId": "45915",
  "eventTitle": "Brazil Presidential Election",
  "eventSlug": "brazil-presidential-election",
  "eventTicker": "brazil-presidential-election",
  "tags": ["politics", "brazil", "global-elections", "world"],
  "outcomes": ["Yes", "No"],
  "outcomePrices": [0.205, 0.795],
  "yesPrice": 0.205,
  "noPrice": 0.795,
  "bestBid": 0.2,
  "bestAsk": 0.21,
  "lastTradePrice": 0.21,
  "spread": 0.01,
  "volume": 24836482.89,
  "volume24h": 1526426.1,
  "volume1w": 3752363.7,
  "volume1m": 13693060.93,
  "liquidity": 717883.62,
  "active": true,
  "closed": false,
  "acceptingOrders": true,
  "negRisk": true,
  "startDate": "2025-09-18T20:07:59.727557Z",
  "endDate": "2026-10-05T03:59:00Z",
  "createdAt": "2025-09-17T18:40:08.437411Z",
  "updatedAt": "2026-10-16T08:13:07.083734Z",
  "resolutionSource": "https://dadosabertos.tse.jus.br/",
  "conditionId": "0xdf8e2dc5...",
  "clobTokenIds": ["3063099...", "7919193..."],
  "image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/...jpg",
  "url": "https://polymarket.com/event/brazil-presidential-election",
  "scrapedAt": "2026-10-16T08:20:00.000Z"
}
```

Prices are in USD per share, so `0.205` means an implied probability of 20.5%. `yesPrice` and `noPrice` are the first and second outcome prices; for markets with other outcome names (for example two teams) use `outcomes` and `outcomePrices`.

### Limits and notes

- Markets are read event by event in the order given by `sortBy`. Within an event, markets are sorted by 24h volume when `sortBy` is `volume24hr`.
- The API allows paging through at most 2,000 events per tag or per listing. Use `tags`, `search` or `eventSlugs` to reach markets beyond that.
- `search` uses Polymarket's site search and returns the events it ranks as relevant, up to a few hundred.
- Closed markets keep their last prices; `outcomePrices` of a resolved market are `1` and `0`.
- Prices come from the Gamma API, not from the order book. For live order books use the CLOB API with the `clobTokenIds` in the output.

### Pricing

You pay per market saved to the dataset, plus a tiny fee per run start. Use `maxItems`, `tags` and the filters to control the number of results.

# Actor input Schema

## `search` (type: `string`):

Keywords to search events by, for example `bitcoin`, `fed`, `election`. Leave empty to list markets by tag or by volume.

## `tags` (type: `array`):

Polymarket tag slugs, for example `politics`, `crypto`, `sports`, `nfl`, `bitcoin`, `weather`, `economy`, `elections`. Each tag is read separately. Leave empty for all tags.

## `eventSlugs` (type: `array`):

Event URLs (https://polymarket.com/event/brazil-presidential-election) or event slugs. All markets of each event are returned.

## `status` (type: `string`):

`open` returns markets that are trading now, `closed` returns finished ones, `all` returns both.

## `sortBy` (type: `string`):

Order of the markets in the output. Events are read in this order from the API, so the highest-ranked markets come first.

## `minVolume24h` (type: `integer`):

Skip markets that traded less than this in the last 24 hours. 0 keeps all.

## `closesWithinDays` (type: `integer`):

Keep only markets whose end date is in the next N days. 0 keeps all.

## `includeDescription` (type: `boolean`):

Add the market's resolution description text.

## `maxItems` (type: `integer`):

The run stops after saving this many markets. 0 means no limit (hard cap 20,000).

## Actor input object example

```json
{
  "search": "",
  "tags": [
    "politics",
    "crypto"
  ],
  "eventSlugs": [],
  "status": "open",
  "sortBy": "volume24hr",
  "minVolume24h": 0,
  "closesWithinDays": 0,
  "includeDescription": false,
  "maxItems": 100
}
```

# Actor output Schema

## `results` (type: `string`):

All markets saved by this run, as JSON. Add ?format=csv or ?format=xlsx for other formats.

# API

You can run this Actor programmatically using our API. Below are code examples in JavaScript, Python, and CLI, as well as the OpenAPI specification and MCP server setup.

## JavaScript example

```javascript
import { ApifyClient } from 'apify-client';

// Initialize the ApifyClient with your Apify API token
// Replace the '<YOUR_API_TOKEN>' with your token
const client = new ApifyClient({
    token: '<YOUR_API_TOKEN>',
});

// Prepare Actor input
const input = {
    "search": "",
    "tags": [
        "politics",
        "crypto"
    ],
    "maxItems": 100
};

// Run the Actor and wait for it to finish
const run = await client.actor("kasumilab/polymarket-markets-scraper").call(input);

// Fetch and print Actor results from the run's dataset (if any)
console.log('Results from dataset');
console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
const { items } = await client.dataset(run.defaultDatasetId).listItems();
items.forEach((item) => {
    console.dir(item);
});

// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

```

## Python example

```python
from apify_client import ApifyClient

# Initialize the ApifyClient with your Apify API token
# Replace '<YOUR_API_TOKEN>' with your token.
client = ApifyClient("<YOUR_API_TOKEN>")

# Prepare the Actor input
run_input = {
    "search": "",
    "tags": [
        "politics",
        "crypto",
    ],
    "maxItems": 100,
}

# Run the Actor and wait for it to finish
run = client.actor("kasumilab/polymarket-markets-scraper").call(run_input=run_input)

# Fetch and print Actor results from the run's dataset (if there are any)
print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
for item in client.dataset(run.default_dataset_id).iterate_items():
    print(item)

# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

```

## CLI example

```bash
echo '{
  "search": "",
  "tags": [
    "politics",
    "crypto"
  ],
  "maxItems": 100
}' |
apify call kasumilab/polymarket-markets-scraper --silent --output-dataset

```

## MCP server setup

```json
{
    "mcpServers": {
        "apify": {
            "type": "http",
            "url": "https://mcp.apify.com/?tools=fetch-actor-details,kasumilab/polymarket-markets-scraper"
        }
    }
}
```

The hosted server signs you in with OAuth on first connect, so no API token belongs in this config. Clients without OAuth support can send an `Authorization: Bearer <APIFY_API_TOKEN>` header instead, using a token from API & Integrations in Apify Console (https://console.apify.com/settings/integrations).

## OpenAPI specification

Download the OpenAPI definition: https://api.apify.com/v2/actors/1T3jLU2aDYLMGoE7I/builds/rncJRgMEX35KEu3dX/openapi.json