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

# List Sports

> Returns the catalog of sports available to browse for markets.



## OpenAPI

````yaml /openapi/v1.json get /v1/sports
openapi: 3.0.0
info:
  title: ParlayX API
  version: 1.0.0
  description: Aggregated prediction-market trading API
servers:
  - url: https://api.parlayx.com
security: []
tags:
  - name: Authentication
    description: Confirm your signing and read the server clock.
  - name: Discovery
    description: Browse sports, competitions, events, and markets.
  - name: Polymarket
    description: Submit and manage orders on Polymarket outcomes.
  - name: Kalshi
    description: Submit and manage orders on Kalshi markets.
paths:
  /v1/sports:
    get:
      tags:
        - Discovery
      summary: List Sports
      description: Returns the catalog of sports available to browse for markets.
      operationId: listSports
      parameters:
        - name: PX-Key-Id
          in: header
          required: true
          schema:
            type: string
          description: The key id issued for your signing keypair.
        - name: PX-Timestamp
          in: header
          required: true
          schema:
            type: string
          description: >-
            Unix seconds at signing, valid within 30 seconds of the server
            clock.
        - name: PX-Signature
          in: header
          required: true
          schema:
            type: string
          description: Ed25519 signature of the request
        - name: PX-Content-Sha256
          in: header
          required: true
          schema:
            type: string
          description: >-
            Hex SHA-256 of the request body, or the SHA-256 of the empty string
            when there is no body.
      responses:
        '200':
          description: The sports catalog
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListSportsResponse'
        '500':
          description: Internal error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
components:
  schemas:
    ListSportsResponse:
      type: object
      properties:
        sports:
          type: array
          items:
            $ref: '#/components/schemas/Sport'
          description: The catalog of sports available for discovery.
      required:
        - sports
    ApiError:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              $ref: '#/components/schemas/ApiErrorCode'
            message:
              type: string
              description: Plain-text explanation of the error.
            orderId:
              type: string
              format: uuid
              description: >-
                The affected order, present only on
                ORDER_RECONCILIATION_REQUIRED; read it back to determine whether
                it reached the venue.
          required:
            - code
            - message
      required:
        - error
    Sport:
      type: object
      properties:
        id:
          type: string
          description: Unique identifier for the sport.
          example: spt_baseball
        name:
          type: string
          description: Name of the sport.
          example: Baseball
      required:
        - id
        - name
    ApiErrorCode:
      type: string
      enum:
        - INVALID_REQUEST
        - NOT_FOUND
        - INSUFFICIENT_BALANCE
        - IDEMPOTENCY_CONFLICT
        - ORDER_NOT_CANCELLABLE
        - ORDER_RECONCILIATION_REQUIRED
        - INTERNAL_ERROR
      description: Stable identifier for the error category.

````