web3_clientVersion

Nodes serving BNB Smart Chain, the BNB-fee network running PoSA consensus, are built on the geth code lineage, and web3_clientVersion reveals which build is answering you. The method returns a free-form version string that names the client software, its release tag, and the platform it was compiled for, much like Geth/v1.4.x.../linux-amd64/go.... Direct the request to https://bsc.therpc.io/YOUR_API_KEY on chain ID 56 and the node hands back its self-reported identity. That string helps confirm a node is on a current release, though the exact format shifts from one client distribution to another.

Use cases

• Read the build tag to decide whether a node is recent enough to enable behaviour that depends on a specific geth-family release.
• Stamp the version string into infrastructure diagnostic logs so you can later trace which node build handled a given request.

Parameters

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Response

Example request

1curl https://bsc.therpc.io/YOUR_API_KEY \
2  -X POST \
3  -H "Content-Type: application/json" \
4  -d '{
5    "jsonrpc": "2.0",
6    "method": "web3_clientVersion",
7    "params": [],
8    "id": 1
9  }'

Try it live in the BNB Smart Chain playground.

Errors & troubleshooting

Common pitfalls

• Managed RPC layers often substitute a branded or redacted string for the underlying build, so the response may not name the real geth-family version at all.
• Never gate production behaviour on parsing this string; probe for the actual method or capability you need instead, since the format is neither stable nor guaranteed honest.

Supported networks

• Mainnet — Chain ID: 56
• Testnet — Chain ID: 97

See also

• net_version

1curl https://bsc.therpc.io/YOUR_API_KEY \
2  -X POST \
3  -H 'Content-Type: application/json' \
4  -d '{"jsonrpc":"2.0","id":1,"method":"web3_clientVersion","params":[]}'