How to Connect to Cronos

In this guide, you’ll learn the following simple methods of connection to your infrastructure:

• How to Connect to Cronos Tendermint REST via cURL
• How to Connect to Cronos Tendermint RPC via cURL
• How to Connect to Cosmos REST for Cronos
• How to Connect to Cronos Tendermint GRPC
• How to Connect to Cronos via WebSocket
• How to Connect to Cronos ETH RPC via cURL

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Learn more about Cronos infrastructure here.

How to Access Cronos Credentials

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Info:

If you haven't configured a node, learn how to deploy one here.

1. Log into the Blockdaemon app.
2. Select Dedicated Nodes from the sidebar menu
3. Go to the My Nodes tab and select the Cronos node you want to connect to.
4. Navigate to the Connect tab, where you’ll find:
   1. Endpoint URL
   2. Auth String
   3. Auth Token

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

How to Connect to Cronos Tendermint REST via cURL

curl -X POST -H 'Content-Type: application/json' 'YOUR_ENDPOINT_URL/tendermint_rest/status?auth=YOUR_AUTH_TOKEN'

• Replace YOUR_ENDPOINT_URL with the Endpoint URL in the Blockdaemon app.
• Replace YOUR_AUTH_TOKEN with the Auth Token in the Blockdaemon app.

How to Connect to Cronos Tendermint RPC via cURL

curl -X POST -H 'Content-Type: application/json' --data '{"method": "RPC_METHOD", "params": METHOD_PARAMS, "id": 1}' 'YOUR_ENDPOINT_URL/tendermint_rpc?auth=YOUR_AUTH_TOKEN'

• Replace RPC_METHOD with your chosen method.
• Replace METHOD_PARAMS with your chosen RPC parameters.
• Replace YOUR_ENDPOINT_URL with the Endpoint URL in the Blockdaemon app.
• Replace YOUR_AUTH_TOKEN with the Auth Token in the Blockdaemon app.

How to Connect to Cosmos REST for Cronos

curl -X GET -H 'Content-Type: application/json' 'YOUR_ENDPOINT_URL/cosmos_rest/cosmos/gov/v1beta1/proposals?auth=YOUR_AUTH_TOKEN'

• Replace YOUR_ENDPOINT_URL with the Endpoint URL in the Blockdaemon app.
• Replace YOUR_AUTH_TOKEN with the Auth Token in the Blockdaemon app.

How to Connect to Cronos Tendermint GRPC

grpcurl -H "X-Auth-Token: YOUR_AUTH_TOKEN" YOUR_ENDPOINT_URL list

• Replace YOUR_AUTH_TOKEN with the Auth Token in the Blockdaemon app.
• Replace YOUR_ENDPOINT_URL with the Endpoint URL in the Blockdaemon app.

How to Connect to Cronos via WebSocket

Tendermint WebSocket

wscat -H "X-Auth-Token: YOUR_AUTH_TOKEN" -c wss://YOUR_ENDPOINT_URL/websocket

• Replace YOUR_AUTH_TOKEN with the Auth Token in the Blockdaemon app.
• Replace YOUR_ENDPOINT_URL with the Endpoint URL in the Blockdaemon app.

Eth WebSocket

wscat -H "X-Auth-Token: YOUR_AUTH_TOKEN" -c wss://YOUR_ENDPOINT_URL/eth_websocket

• Replace YOUR_AUTH_TOKEN with the Auth Token in the Blockdaemon app.
• Replace YOUR_ENDPOINT_URL with the Endpoint 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.

How to Connect to Cronos ETH RPC via cURL

curl -X POST -H "Content-Type: application/json" --data '{"method": "RPC_METHOD", "params": METHOD_PARAMS, "id": 1, "jsonrpc":"2.0"}' 'YOUR_ENDPOINT_URL/eth_rpc?auth=YOUR_AUTH_TOKEN'

• Replace RPC_METHOD with your chosen RPC method.
• Replace METHOD_PARAMS with your chosen RPC parameters.
• Replace YOUR_ENDPOINT_URL with the Endpoint URL in the Blockdaemon app.
• Replace YOUR_AUTH_TOKEN with the Auth Token in the Blockdaemon app.

👋 Need Help?

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