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About

This tool displays the API versions of all the nodes in the cluster. 

kafka-broker-api-versions --bootstrap-server localhost:9092

0a6d291a2788:9092 (id: 0 rack: null) -> (
        Produce(0): 0 to 3 [usable: 3],
        Fetch(1): 0 to 5 [usable: 5],
        Offsets(2): 0 to 2 [usable: 2],
        Metadata(3): 0 to 4 [usable: 4],
        LeaderAndIsr(4): 0 [usable: 0],
        StopReplica(5): 0 [usable: 0],
        UpdateMetadata(6): 0 to 3 [usable: 3],
        ControlledShutdown(7): 1 [usable: 1],
        OffsetCommit(8): 0 to 3 [usable: 3],
        OffsetFetch(9): 0 to 3 [usable: 3],
        FindCoordinator(10): 0 to 1 [usable: 1],
        JoinGroup(11): 0 to 2 [usable: 2],
        Heartbeat(12): 0 to 1 [usable: 1],
        LeaveGroup(13): 0 to 1 [usable: 1],
        SyncGroup(14): 0 to 1 [usable: 1],
        DescribeGroups(15): 0 to 1 [usable: 1],
        ListGroups(16): 0 to 1 [usable: 1],
        SaslHandshake(17): 0 [usable: 0],
        ApiVersions(18): 0 to 1 [usable: 1],
        CreateTopics(19): 0 to 2 [usable: 2],
        DeleteTopics(20): 0 to 1 [usable: 1],
        DeleteRecords(21): 0 [usable: 0],
        InitProducerId(22): 0 [usable: 0],
        OffsetForLeaderEpoch(23): 0 [usable: 0],
        AddPartitionsToTxn(24): 0 [usable: 0],
        AddOffsetsToTxn(25): 0 [usable: 0],
        EndTxn(26): 0 [usable: 0],
        WriteTxnMarkers(27): 0 [usable: 0],
        TxnOffsetCommit(28): 0 [usable: 0],
        DescribeAcls(29): 0 [usable: 0],
        CreateAcls(30): 0 [usable: 0],
        DeleteAcls(31): 0 [usable: 0],
        DescribeConfigs(32): 0 [usable: 0],
        AlterConfigs(33): 0 [usable: 0]
)
  • On the left are APIs.
  • On the right are the range of version which the broker supports.
  • The usable version shown in brackets is the highest version which both the broker and the current client software support.

Topics listed as UNSUPPORTED appears like that: 

CreateTopics(19): UNSUPPORTED,
   DeleteTopics(20): UNSUPPORTED

Documentation / Reference