# Technical specifications

#### **Supported infrastructure**

Execution layer nodes (reth), consensus layer nodes, and archive nodes for historical data. Core focus is EVM-compatible chains, with support expanding based on demand.

For chains running reth, API customization is available: modifying existing RPC methods, adding custom endpoints, optimizing responses for specific use cases, and building custom data aggregation methods.

#### **How Altitude differs from Alchemy or Infura**

The large providers are built for scale and a general audience. Altitude is smaller by design: fewer clients, more flexibility, and direct collaboration on custom requirements.

In practice that means: 

* Custom queries and endpoints tailored to your project
* Shared-but-limited node access (so performance stays consistent)
* Fully private nodes if you need dedicated resources
* Custom DeFi indexing or project-specific integrations if off-the-shelf solutions don't fit