How to Connect to Polygon
In this guide, you'll learn the following simple methods of connection to your infrastructure:
- How to Connect to Polygon ETH RPC via cURL
- How to Connect to Polygon Tendermint RPC via cURL
- How to Connect to Cosmos REST for Polygon
- How to Connect to Polygon via WebSocket
Learn more about Polygon infrastructure here.
How to Access Polygon Credentials
Info:
If you haven't configured a node, learn how to deploy one here.
- Log into the Blockdaemon app.
- Select Dedicated Nodes from the sidebar menu
- Go to the My Nodes tab and select the Polygon node you want to connect to.
- Navigate to the Connect tab, where you’ll find:
- Endpoint URL
- Auth String
- Auth Token
Please reach out to [email protected] or your Customer Success Manager for support.
How to Connect to Polygon ETH RPC via cURL
curl -X POST -H 'Content-Type: application/json' --data '{"method": "RPC_METHOD", "params": [METHOD_PARAMS], "id": 1}' 'YOUR_ENDPOINT_URL/eth_rpc?auth=YOUR_AUTH_TOKEN'
- Replace
RPC_METHOD
with your chosen RPC method. - Replace
METHOD_PARAMS
with params of your chosen method. - 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 Polygon Tendermint RPC via cURL
curl -X POST -H 'Content-Type: application/json' --data '{"method": "RPC_METHOD", "params": [METHOD_PARAMS], "id": 1}' 'https://YOUR_ENDPOINT_URL/tendermint_rpc?auth=YOUR_AUTH_TOKEN'
- Replace
RPC_METHOD
with your chosen RPC method. - Replace
METHOD_PARAMS
with params of your chosen method. - 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 Polygon
curl -X GET -H 'Content-Type: application/json' -H "X-Auth-Token: YOUR_AUTH_TOKEN" 'YOUR_ENDPOINT_URL/cosmos_rest/blocks/latest'
- 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 Polygon via WebSocket
Tendermint WebSocket
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_ENDPOINT_URL
with the Endpoint URL in the Blockdaemon app.
Eth WebSocket
This is currently only relevant for archive nodes.
wscat -H "X-Auth-Token: YOUR_AUTH_TOKEN" -c wss://YOUR_ENDPOINT_URL:8443/eth_websocket
Example: {"id":1,"jsonrpc":"2.0", "method":"eth_getBlockByNumber","params":["latest", true]}
- Replace
YOUR_AUTH_TOKEN
with the Auth Token in the Blockdaemon app. - Replace
YOUR_ENDPOINT_URL
with the Endpoint URL in the Blockdaemon app.
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 19 days ago