Create subaccount

This endpoint allows regular accounts to create subaccounts with a secure authentication scheme. Both the main account and subaccount must sign to establish the relationship.

The subaccount creation process follows the below steps.

1. The main account must authorize the creation of a subaccount under its control

2. The subaccount must consent to being controlled by the main account

3. The API server must verify both signatures to prevent unauthorized subaccount creation

Please refer to the Python SDK for a comprehensive guide on subaccount creation via API

POST /api/v1/account/subaccount/create

Request Body

Field	Type	Need	Description	Example
"main_account"	string	required	Main account wallet address	42trU9A5...
"subaccount"	string	required	Subaccount wallet address	69trU9A5...
"timestamp"	integer	required	Current timestamp in milliseconds	1716200000000
"main_signature"	string	required	Main account signature	5j1Vy9Uq...
"sub_signature"	string	required	Subaccount signature	4k2Wx8Zq...
"expiry_window"	integer	optional	Signature expiry in milliseconds	30000

{
  "main_account": "42trU9A5...",
  "subaccount": "69trU9A5...",
  "main_signature": "5j1Vy9Uq...",
  "sub_signature": "4k2Wx8Zq...",
  "timestamp": 1716200000000,
  "expiry_window": 30000
}

Response

• Status 200: Subaccount created successfully

{
  "success": true,
  "data": null,
  "error": null,
  "code": null,
}

• Status 400: Bad request

{
  "success": false,
  "data": null,
  "error": "Account already exists: CRTxBM...",
  "code": 2
}

• Status 500: Internal server error