> ## Documentation Index
> Fetch the complete documentation index at: https://x402.easy-node.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# update_custom_name

Set or update the custom name of a VPS or Node instance. Useful for labeling instances with friendly names.

## Parameters

| Name         | Type     | Required | Description                                       |
| ------------ | -------- | -------- | ------------------------------------------------- |
| `instanceId` | `string` | Yes      | Instance ID (userNode or userVps ID) to update    |
| `type`       | `string` | Yes      | Instance type: `"node"` or `"vps"`                |
| `customName` | `string` | Yes      | Custom name for the instance (max 100 characters) |

## Example Usage

```
Rename instance inst_456 to "my-validator"
```

## Example Response

```markdown theme={null}
## Custom Name Updated

**Instance ID:** inst_456
**Type:** vps
**Custom Name:** my-validator
```