> ## Documentation Index
> Fetch the complete documentation index at: https://docs.polymarket.us/llms.txt
> Use this file to discover all available pages before exploring further.

# Series API Overview

> Series data endpoints

# Series API

The Series API provides access to series information. Series group related events together (e.g., NFL games, election cycles).

## Endpoints

| Method | Endpoint             | Description                   |
| ------ | -------------------- | ----------------------------- |
| `GET`  | `/v1/series`         | Get all series with filtering |
| `GET`  | `/v1/series/id/{id}` | Get series by ID              |

## Key Series Fields

| Field         | Description                              |
| ------------- | ---------------------------------------- |
| `id`          | Unique series identifier                 |
| `slug`        | URL-friendly identifier                  |
| `title`       | Series title                             |
| `subtitle`    | Series subtitle                          |
| `description` | Series description                       |
| `seriesType`  | Type of series                           |
| `recurrence`  | Recurrence pattern (e.g., daily, weekly) |
| `active`      | Whether series is active                 |
| `closed`      | Whether series is closed                 |
| `archived`    | Whether series is archived               |

### Volume & Liquidity

| Field        | Description          |
| ------------ | -------------------- |
| `liquidity`  | Series liquidity     |
| `volume`     | Total trading volume |
| `volume24hr` | 24-hour volume       |

## Filtering Series

Query series with various filters:

```bash theme={null}
GET /v1/series?active=true&recurrence=daily&limit=20
```

### Common Filters

| Parameter    | Type    | Description                  |
| ------------ | ------- | ---------------------------- |
| `slug`       | array   | Filter by slugs              |
| `active`     | boolean | Filter by active status      |
| `closed`     | boolean | Filter by closed status      |
| `archived`   | boolean | Filter by archived status    |
| `recurrence` | string  | Filter by recurrence pattern |

## Pagination

| Parameter        | Type    | Description                |
| ---------------- | ------- | -------------------------- |
| `limit`          | integer | Page size                  |
| `offset`         | integer | Page offset                |
| `orderBy`        | array   | Fields to order by         |
| `orderDirection` | string  | Order direction (asc/desc) |