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

# What are subaccounts and how do they work?

Subaccounts in Massive Network are features that enable granular request management within your main account. They provide:

* Request isolation for separate entities
* Unique tracking with individual identifiers
* Independent usage and billing tracking
* Centralized management under the main account

Technical Requirements:

* Character Encoding: All encodings supported
* Maximum Length: 255 characters
* Uniqueness: Each identifier must be unique within your account
* **Format:** `{USERNAME}-subaccount-[IDENTIFIER]:{PASSWORD}`