# NodeEthereumAttributes
<a name="API_NodeEthereumAttributes"></a>

Attributes of an Ethereum node.

## Contents
<a name="API_NodeEthereumAttributes_Contents"></a>

 ** HttpEndpoint **   <a name="ManagedBlockchain-Type-NodeEthereumAttributes-HttpEndpoint"></a>
The endpoint on which the Ethereum node listens to run Ethereum API methods over HTTP connections from a client. Use this endpoint in client code for smart contracts when using an HTTP connection. Connections to this endpoint are authenticated using [Signature Version 4](https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html).  
Type: String  
Required: No

 ** WebSocketEndpoint **   <a name="ManagedBlockchain-Type-NodeEthereumAttributes-WebSocketEndpoint"></a>
The endpoint on which the Ethereum node listens to run Ethereum JSON-RPC methods over WebSocket connections from a client. Use this endpoint in client code for smart contracts when using a WebSocket connection. Connections to this endpoint are authenticated using [Signature Version 4](https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html).  
Type: String  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/managedblockchain-2018-09-24/NodeEthereumAttributes) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/managedblockchain-2018-09-24/NodeEthereumAttributes) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/managedblockchain-2018-09-24/NodeEthereumAttributes)