How to Connect to Arbitrum

Learn how to connect to the Arbitrum infrastructure via RPC with Blockdaemon.

If you haven’t configured any Arbitrum infrastructure, visit the Arbitrum marketplace page to learn more about Blockdaemon’s Arbitrum options. Once you have purchased your Blockdaemon Arbitrum infrastructure, your Blockdaemon Technical Account Manager (TAM) will send you the necessary access credentials.

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In this guide, we will cover the following connection methods:


How to Connect to Arbitrum HTTP RPC via cURL

Here's how you add your access credentials to a cURL request:

curl --location --request POST 'YOUR_ENDPOINT_URL' \ --header 'X-Auth-Token: YOUR_AUTH_TOKEN' \ --header 'Content-Type: application/json' \ --data-raw '{ "jsonrpc": "2.0", "method": "YOUR_RPC_METHOD", "params": YOUR_PARAMS }' 
  • Replace YOUR_ENDPOINT_URL with the Endpoint URL sent by your Blockdaemon TAM.
  • Replace YOUR_AUTH_TOKEN with the Auth Token sent by your Blockdaemon TAM.
  • Replace YOUR_RPC_METHOD with your chosen RPC method.
  • Replace YOUR_PARAMS with the necessary params for your RPC.

Arbitrum Connection via WebSocket

wscat -H "X-Auth-Token: YOUR_AUTH_TOKEN" -c wss://YOUR_ENDPOINT_URL:8443/websocket
  • Replace YOUR_AUTH_TOKEN with the Auth Token sent by your Blockdaemon TAM.
  • Replace YOUR_ENDPOINT_URL with the Endpoint URL sent by your Blockdaemon TAM.

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Info:

wscat is a tool that can connect over WebSocket(s) and may need to be installed. You can use your preferred tool of choice.

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