# Stable API FAQ

> Frequently asked questions about the Stable API

> For the complete documentation index, see [llms.txt](/docs/llms.txt).

## What is Stable?
Stable is a high-performance, EVM-compatible Layer 1 blockchain with USDT as the native gas token, designed for stablecoin payments and settlements with ultra-low fees and instant finality.

## How do I get started with Stable?
Check out our [Stable API Quickstart guide](/docs/reference/stable-api-quickstart) to get started building on Stable.

## What is the Stable API?
The Stable API lets you interact with the Stable network. You can execute transactions, query onchain data, and interact with the Stable network using a JSON-RPC standard.

## Is Stable EVM compatible?
Yes, Stable is EVM compatible.

## What API does Stable use?
Stable uses the JSON-RPC API standard. This API handles all blockchain interactions on the Stable network, letting you read block/transaction data, query chain information, execute smart contracts, and store data onchain.

## What methods are supported on Stable?
Stable supports standard Ethereum JSON-RPC methods. Some chain-specific methods may vary. Please check the Stable API endpoints documentation for a complete list.

## What is a Stable API key?
When accessing the Stable network via a node provider like Alchemy, you use an API key to send transactions and retrieve data from the network. For the best development experience, we recommend you [sign up for a free API key](https://dashboard.alchemy.com/signup).

## Which libraries support Stable?
Common Ethereum libraries like [ethers.js](https://docs.ethers.org/v5/) should be compatible with Stable, given its EVM nature.

## My question isn’t here, where can I get help?
If you have any questions or feedback, contact us at support@alchemy.com or open a ticket in the Alchemy Dashboard.