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

# Crypto Series

> Recurring crypto market series.

Returns all recurring crypto market series across different intervals (5m, 15m, 1h, 4h, daily, weekly, monthly). Each series generates new markets on its recurrence schedule.

<ResponseExample>
  ```json theme={null}
  {
    "series": [
      {
        "id": "10422",
        "slug": "xrp-up-or-down-15m",
        "title": "XRP Up or Down 15m",
        "recurrence": "15m",
        "active": true,
        "eventCount": null
      },
      {
        "id": "10065",
        "slug": "ethereum-neg-risk-weekly",
        "title": "Ethereum Neg Risk Weekly",
        "recurrence": "weekly",
        "active": true,
        "eventCount": null
      }
    ],
    "count": 7
  }
  ```
</ResponseExample>

<Note>
  Cached for 5 minutes.
</Note>


## OpenAPI

````yaml GET /v1/crypto/series
openapi: 3.1.0
info:
  title: PolyNode API
  description: >-
    Real-time Polymarket data API with decoded mempool settlements, OHLCV
    candles, and full Polygon JSON-RPC proxy.
  contact:
    name: PolyNode
    url: https://polynode.dev
  license:
    name: ''
  version: 2.0.0
servers:
  - url: https://api.polynode.dev
    description: Production
security:
  - api_key: []
paths:
  /v1/crypto/series:
    get:
      tags:
        - Crypto
      summary: Crypto series
      description: >-
        Recurring crypto market series (5m, 15m, 1h, 4h, daily, weekly, monthly
        patterns).
      operationId: crypto_series
      responses:
        '200':
          description: Crypto recurring series
          content:
            application/json:
              schema:
                type: object
      security:
        - api_key: []
components:
  securitySchemes:
    api_key:
      type: apiKey
      in: header
      name: x-api-key

````