How to Connect to Fantom

Learn how to connect to the Fantom blockchain with Blockdaemon.

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



Visit the Fantom marketplace page to explore Blockdaemon’s Fantom infrastructure.

How to Access Your Blockdaemon Fantom Credentials

Once you have purchased your Blockdaemon Fantom infrastructure, you can access your credentials:

  1. Log into the Blockdaemon app.
  2. Click Nodes under the Access menu.
  3. Select the Fantom node.
  4. Select the Connect tab. You'll find the following information:
    1. Endpoint URL
    2. Auth String
    3. Auth Token



Please reach out to [email protected] or your Customer Success Manager for support.

Fantom RPC connection via cURL

curl -X POST \
-H 'Content-Type: application/json' \
-H "Authorization: Bearer ${YOUR_AUTH_TOKEN}" \
--data '{"id":1,"jsonrpc":"2.0","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.

Fantom 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



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.