How to Connect to Polygon

Learn how easy it is to connect to the Polygon infrastructure via RPC with Blockdaemon.

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

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


Polygon ETH RPC connection via cURL

curl -X POST -H 'Content-Type: application/json' --data '{"method": "YOUR_RPC_METHOD", "params": [YOUR_PARAMS], "id": 1}' 'YOUR_ENDPOINT_URL/eth_rpc?auth=YOUR_AUTH_TOKEN'
  • Replace YOUR_RPC_METHOD with your chosen RPC method.
  • Replace YOUR_PARAMS with your chosen RPC parameters.
  • 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.

Polygon Tendermint RPC Connection via cURL

curl -X POST -H 'Content-Type: application/json' --data '{"method": "YOUR_RPC_METHOD", "params": [YOUR_PARAMS], "id": 1}' 'https://YOUR_ENDPOINT_URL/tendermint_rpc?auth=YOUR_AUTH_TOKEN'
  • Replace YOUR_RPC_METHOD with your chosen RPC method.
  • Replace YOUR_PARAMS with your chosen RPC parameters.
  • 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.

Cosmos REST Connection 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 sent by your Blockdaemon TAM.
  • Replace YOUR_ENDPOINT_URL with the Endpoint URL sent by your Blockdaemon TAM.

Polygon 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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