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

# Add sub account

> **Limit: 10 requests per second**

`POST /v1/client/add_sub_account`

Only the main account is allowed to call this API.

Main account’s Orderly key can control sub accounts.




## OpenAPI

````yaml orderly.openapi post /v1/client/add_sub_account
openapi: 3.0.1
info:
  title: EVM
  description: ''
  version: 1.0.0
servers:
  - url: https://api.orderly.org
    description: Mainnet
  - url: https://testnet-api.orderly.org
    description: Testnet
security: []
tags:
  - name: public
  - name: private
paths:
  /v1/client/add_sub_account:
    post:
      tags:
        - private
      summary: Add sub account
      description: |
        **Limit: 10 requests per second**

        `POST /v1/client/add_sub_account`

        Only the main account is allowed to call this API.

        Main account’s Orderly key can control sub accounts.
      parameters:
        - $ref: '#/components/parameters/orderly_timestamp'
        - $ref: '#/components/parameters/orderly_account_id'
        - $ref: '#/components/parameters/orderly_key'
        - $ref: '#/components/parameters/orderly_signature'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                description:
                  type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AddSubAccountResponse'
components:
  parameters:
    orderly_timestamp:
      name: orderly-timestamp
      in: header
      description: Timestamp of the signed request in milliseconds.
      required: true
      style: simple
      explode: false
      schema:
        type: string
      example: '1649920583000'
    orderly_account_id:
      name: orderly-account-id
      in: header
      description: Account ID of the authenticated account.
      required: true
      style: simple
      explode: false
      schema:
        type: string
      example: 6.858456565150415e+75
    orderly_key:
      name: orderly-key
      in: header
      description: Public orderly key used to sign the request.
      required: true
      style: simple
      explode: false
      schema:
        type: string
      example: ed25519:8tm7dnKYkSc3FzgPuJaw1wztr79eeZpN35nHW5pL5XhX
    orderly_signature:
      name: orderly-signature
      in: header
      description: Signature of the request payload generated with the orderly key.
      required: true
      style: simple
      explode: false
      schema:
        type: string
      example: >-
        dG4bkKiqG0dUYLzViRZkvbI6Sy239JxAdNMIBxFZ4w030Jofr0ORV06GHtvXZkaZaWUXE+XAU3fnzKN/5fDeBQ==
  schemas:
    AddSubAccountResponse:
      allOf:
        - $ref: '#/components/schemas/BasicResponse'
        - type: object
          required:
            - main_account_id
            - data
          properties:
            data:
              type: object
              required:
                - sub_account_id
                - description
              properties:
                sub_account_id:
                  type: number
                  example: 123
                description:
                  type: string
                  example: abc
    BasicResponse:
      required:
        - success
      type: object
      properties:
        success:
          description: Indicates whether the request was successful.
          type: boolean
          example: true
        timestamp:
          description: Server timestamp in milliseconds.
          type: integer
          example: 1702989203989

````