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

# List Markets

> Paginated list of markets across all platforms with filtering and sorting



## OpenAPI

````yaml GET /api/v1/markets
openapi: 3.0.3
info:
  title: EventGraph API
  description: >-
    Unified prediction market data across Polymarket, Kalshi, Limitless, and
    OpinionTrade.
  version: 1.0.0
  contact:
    name: EventGraph
    url: https://eventgraph.ai
    email: info@eventgraph.ai
servers:
  - url: https://app.eventgraph.ai
    description: Production
security:
  - ApiKeyAuth: []
paths:
  /api/v1/markets:
    get:
      tags:
        - Markets
      summary: List Markets
      description: >-
        Paginated list of markets across all platforms with filtering and
        sorting.
      operationId: listMarkets
      parameters:
        - name: platform
          in: query
          required: false
          description: Filter by platform
          schema:
            type: string
            enum:
              - polymarket
              - kalshi
              - limitless
              - opiniontrade
        - name: category
          in: query
          required: false
          description: Filter by category (e.g. politics, crypto, sports)
          schema:
            type: string
        - name: status
          in: query
          required: false
          description: Market status filter
          schema:
            type: string
            enum:
              - open
              - closed
              - all
            default: open
        - name: min_volume
          in: query
          required: false
          description: Minimum total volume (USD)
          schema:
            type: number
            minimum: 0
            default: 0
        - name: sort
          in: query
          required: false
          description: Sort order
          schema:
            type: string
            enum:
              - volume
              - price
              - updated
            default: volume
        - name: page
          in: query
          required: false
          schema:
            type: integer
            minimum: 1
            default: 1
        - name: page_size
          in: query
          required: false
          schema:
            type: integer
            minimum: 1
            maximum: 200
            default: 50
      responses:
        '200':
          description: Paginated market list
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MarketsResponse'
components:
  schemas:
    MarketsResponse:
      type: object
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/Market'
        timestamp:
          type: string
          format: date-time
        meta:
          $ref: '#/components/schemas/PaginationMeta'
    Market:
      type: object
      properties:
        id:
          type: string
          description: Platform-specific market ID
        title:
          type: string
        platform:
          type: string
          enum:
            - polymarket
            - kalshi
            - limitless
            - opiniontrade
        yes_price:
          type: number
          description: Implied YES probability (0.0–1.0)
        no_price:
          type: number
          description: Implied NO probability (1 - yes_price)
        volume:
          type: number
          description: Lifetime trading volume (USD)
        volume_24h:
          type: number
          description: 24-hour rolling volume
        status:
          type: string
          enum:
            - open
            - closed
        url:
          type: string
          format: uri
          description: Direct link to market on source platform
        last_updated:
          type: string
          format: date-time
    PaginationMeta:
      type: object
      properties:
        total:
          type: integer
        page:
          type: integer
        page_size:
          type: integer
        total_pages:
          type: integer
        response_ms:
          type: number
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: Your EventGraph API key (eg_live_...)

````