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

# Create a paper trading account



## OpenAPI

````yaml /openapi/openapi.json post /apps/{appId}/paper-trading/accounts
openapi: 3.0.2
info:
  title: AGG API
  version: 1.0.0
  description: >-
    Prediction market aggregator REST API — authentication, users, venue events,
    venue markets, orderbooks, charts, and execution workflows.
servers:
  - url: https://api.agg.market
    description: Production
  - url: https://api.staging.agg.market
    description: Staging
security: []
paths:
  /apps/{appId}/paper-trading/accounts:
    post:
      tags:
        - Execution
      summary: Create a paper trading account
      operationId: createPaperTradingAccount
      parameters:
        - name: appId
          in: path
          required: true
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  minLength: 1
                  maxLength: 120
                  type: string
                externalId:
                  minLength: 1
                  maxLength: 160
                  type: string
                initialBalanceRaw:
                  pattern: ^[0-9]+$
                  type: string
                initialBalance:
                  minimum: 0
                  type: number
      responses:
        '201':
          description: '201'
          content:
            application/json:
              schema:
                type: object
                required:
                  - id
                  - appId
                  - name
                  - externalId
                  - currency
                  - startingBalanceRaw
                  - startingBalance
                  - cashBalanceRaw
                  - cashBalance
                  - realizedPnlRaw
                  - realizedPnl
                  - kycStatus
                  - kycVerified
                  - status
                  - createdAt
                  - updatedAt
                properties:
                  id:
                    type: string
                  appId:
                    type: string
                  name:
                    type: string
                    nullable: true
                  externalId:
                    type: string
                    nullable: true
                  currency:
                    type: string
                  startingBalanceRaw:
                    type: string
                  startingBalance:
                    type: number
                  cashBalanceRaw:
                    type: string
                  cashBalance:
                    type: number
                  realizedPnlRaw:
                    type: string
                  realizedPnl:
                    type: number
                  kycStatus:
                    type: string
                    enum:
                      - verified
                  kycVerified:
                    type: boolean
                    enum:
                      - true
                  status:
                    type: string
                    enum:
                      - active
                      - archived
                  createdAt:
                    type: string
                  updatedAt:
                    type: string
        '400':
          description: '400'
          content:
            application/json:
              schema:
                type: object
                required:
                  - message
                properties:
                  message:
                    type: string
        '401':
          description: '401'
          content:
            application/json:
              schema:
                type: object
                required:
                  - message
                properties:
                  message:
                    type: string
        '403':
          description: '403'
          content:
            application/json:
              schema:
                type: object
                required:
                  - message
                properties:
                  message:
                    type: string
        '404':
          description: '404'
          content:
            application/json:
              schema:
                type: object
                required:
                  - message
                properties:
                  message:
                    type: string
      security:
        - appApiKey: []
components:
  securitySchemes:
    appApiKey:
      type: apiKey
      in: header
      name: x-app-api-key
      description: App-scoped API key for programmatic app management.

````