Skip to main content
POST
/
exchange
Create vault
curl --request POST \
  --url https://api.hyperliquid.xyz/exchange \
  --header 'Content-Type: application/json' \
  --data '
{
  "action": {
    "type": "createVault",
    "name": "My vault",
    "description": "A vault for copy trading",
    "initialUsd": 100000000,
    "nonce": 1705234567890
  },
  "nonce": 1705234567890,
  "signature": {
    "r": "0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef",
    "s": "0xfedcba0987654321fedcba0987654321fedcba0987654321fedcba0987654321",
    "v": 27
  }
}
'
{
  "status": "ok",
  "response": {
    "type": "createVault",
    "data": "0x1719884eb866cb12b2287399b15f7db5e7d775ea"
  }
}
You can only use this endpoint on the official Hyperliquid public API. It is not available through Chainstack, as the open-source node implementation does not support it yet. See Hyperliquid methods for the full availability breakdown.
This endpoint requires signature authentication. See our comprehensive Authentication via Signatures guide for implementation details.
The createVault action creates a new vault. On success the response includes the address of the newly created vault.
Get your own node endpoint todayStart for free and get your app to production levels immediately. No credit card required.You can sign up with your GitHub, X, Google, or Microsoft account.

​
Parameters

​
Required parameters

  • action (object, required) — The create-vault action:
    • type (string) — Must be "createVault".
    • name (string) — Vault name (3-50 characters).
    • description (string) — Vault description (10-250 characters).
    • initialUsd (number) — Initial balance as a USD float multiplied by 1e6 (minimum 100 USD, i.e. 100000000).
    • nonce (number) — Timestamp in milliseconds, equal to the envelope nonce.
  • nonce (number, required) — Current timestamp in milliseconds.
  • signature (object, required) — EIP-712 signature of the action.

​
Optional parameters

  • expiresAfter (number, optional) — Timestamp in milliseconds after which the request is rejected.

​
Returns

Returns an object with the action status:
  • status — "ok" if the request was processed.
  • response — Contains type "createVault" and data, the address of the new vault.

​
Example request

curl -X POST https://api.hyperliquid.xyz/exchange \
  -H "Content-Type: application/json" \
  -d '{
    "action": {
      "type": "createVault",
      "name": "My vault",
      "description": "A vault for copy trading",
      "initialUsd": 100000000,
      "nonce": 1234567890123
    },
    "nonce": 1234567890123,
    "signature": {...}
  }'

​
Response example

{
  "status": "ok",
  "response": {
    "type": "createVault",
    "data": "0x1719884eb866cb12b2287399b15f7db5e7d775ea"
  }
}

​
Use cases

  • Launch a vault — Open a vault others can deposit into and follow
  • Copy trading — Let depositors mirror your strategy
  • Capital pooling — Aggregate capital under a single managed account

Body

application/json
​
action
object
required
​
nonce
integer
required

Current timestamp in milliseconds

​
signature
object
required

EIP-712 signature of the action with r, s, v components

​
expiresAfter
integer

Timestamp in milliseconds after which the request is rejected (optional)

Response

200 - application/json

Create vault result, including the new vault address

​
status
string

Request status

​
response
object
Last modified on June 24, 2026