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How to Connect to zkSync

Learn how to connect to your zkSync nodes using Blockdaemon via cURL or WebSockets.

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In this guide, you'll learn the following methods of connection to the zkSync infrastructure:

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Note:

If you haven't configured any infrastructures, visit the zkSync marketplace page to learn more about Blockdaemon's zkSync options.

How to Access Your Blockdaemon zkSync Credentials

After purchasing your Blockdaemon zkSync infrastructure, access your credentials:

  1. Log into the Blockdaemon app.
  2. In the Access menu, click Nodes.
  3. Click the zkSync node.
  4. Click the Connect tab.

In the Connection Information section, you'll find the following:

  • Node URL
  • Auth Token

zkSync RPC connection via cURL

Use cURL to establish a zkSync RPC connection with the following command:

curl -X POST \
https://<YOUR_NODE_URL> \
-H "Content-Type: application/json" \
-H 'X-Auth-Token: <YOUR_AUTH_TOKEN>' \
-d '{"jsonrpc":"2.0", "id":2, "method": "YOUR_RPC_METHOD", "params": [YOUR_PARAMS] }'
  • Replace YOUR_NODE_URL with the node URL in the Blockdaemon app.
  • Replace YOUR_AUTH_TOKEN with the Auth Token in the Blockdaemon app.
  • Replace YOUR_RPC_METHOD with your chosen RPC method.
  • Replace YOUR_PARAMS with your selected RPC parameters.

zkSync Connection via WebSocket

Add your access credentials to a WebSocket connection request:

wscat -H "X-Auth-Token: YOUR_AUTH_TOKEN" -c wss://YOUR_ENDPOINT_URL:8443/websocket
  • Replace YOUR_AUTH_TOKEN with the Auth Token in the Blockdaemon app.
  • Replace YOUR_NODE_URL with the node URL in the Blockdaemon app.

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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.

👋 Need Help?

Contact us through email or our support page for any issues, bugs, or assistance you may need.

Updated 4 days ago