# Robinhood Chain API FAQ

> Frequently asked questions about the Robinhood Chain API

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

## What is Robinhood Chain?
Robinhood Chain is a permissionless Ethereum Layer 2 built on Arbitrum, optimized for tokenized real-world assets including equities and ETFs, enabling 24/7 onchain trading and self-custody.

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

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

## Is Robinhood Chain EVM compatible?
Yes, Robinhood Chain is EVM compatible.

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

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

## What is a Robinhood Chain API key?
When accessing the Robinhood Chain 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 Robinhood Chain?
Common Ethereum libraries like [ethers.js](https://docs.ethers.org/v5/) should be compatible with Robinhood Chain, 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.