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POST
/
2fc1de7f08c0465f6a28e3c355e0cb14
web3_clientVersion
curl --request POST \
  --url https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14 \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "web3_clientVersion",
  "id": 1
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": "<string>"
}

Documentation Index

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Base API method web3_clientVersion retrieves the version string of the Base client the node is running. This method is useful for identifying the client and its version, which can be important for compatibility and debugging purposes.
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​
Parameters

This method does not require any parameters.

​
Response

  • result — the version string of the Base client, which typically includes the client name, version, network, platform, and other build information.

​
Use case

The web3_clientVersion method is essential for:
  • Developers and system administrators needing to verify the client version for compatibility with dApps or network protocols.
  • Services that monitor and report on the distribution of client versions across the network.
  • Tools that automate interactions with Base nodes and require version checks to ensure proper operation.

Body

application/json
​
jsonrpc
string
default:2.0
required
​
method
string
default:web3_clientVersion
required
​
id
integer
default:1
required

Response

200 - application/json

The version of the Ethereum client

​
jsonrpc
string
​
id
integer
​
result
string

The client version string.

Last modified on May 18, 2026