web3_clientVersion - Polygon
web3_clientVersion. Retrieve the current client version
web3_clientVersion - polygon [Value: 20CU]
Retrieves the current version of the client that the node is running

Use cases
- Retrieve the version of the connected client
- Verify client software version for compatibility checks
- Identify node client version for troubleshooting purposes

Constraints
- Requires network access to the node
- Node must support web3_clientVersion method
- Accurate response depends on node's current state
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Language
Request
Examples
curl https://polygon.drpc.org \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"jsonrpc":"2.0","method":"web3_clientVersion","params":[],"id":1}'
Response
200
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0xb1770efb14906e509893b6190359658208ae64d0c56e22f748a1b0869885559e"
}Request params
idinteger
jsonrpcstring
methodstring
Response
200
The version of the client, including the name and version number, as a stringResponse params
object
idinteger
jsonrpcstring
resultstring