# Mode API FAQ

> Frequently asked questions about the Mode API

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

## What is Mode?
Mode is an OP Stack–based, EVM-equivalent Ethereum Layer-2 that’s growth-focused—sharing sequencer fees with developers (SFS) and rewarding users to power DeFi/AiFi apps.

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

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

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

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

## What methods are supported on Mode?
Mode supports standard Ethereum JSON-RPC methods. Some chain-specific methods may vary. Please check the [Mode API Endpoints](/docs/chains#mode-apis) for a complete list.

## What is a Mode API key?
When you access the Mode 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 that you [sign up for a free API key](https://dashboard.alchemy.com/signup)!

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