diff --git a/.changeset/silly-lies-boil.md b/.changeset/silly-lies-boil.md
new file mode 100644
index 00000000000..b2a5084a36c
--- /dev/null
+++ b/.changeset/silly-lies-boil.md
@@ -0,0 +1,8 @@
+---
+"chainlink": minor
+---
+
+Make websocket URL `WSURL` for `EVM.Nodes` optional, and apply logic so that:
+* If WS URL was not provided, SubscribeFilterLogs should fail with an explicit error
+* If WS URL was not provided LogBroadcaster should be disabled 
+#nops
diff --git a/core/chains/evm/client/config_builder.go b/core/chains/evm/client/config_builder.go
index fa702bac111..905109924a8 100644
--- a/core/chains/evm/client/config_builder.go
+++ b/core/chains/evm/client/config_builder.go
@@ -79,15 +79,21 @@ func NewClientConfigs(
 func parseNodeConfigs(nodeCfgs []NodeConfig) ([]*toml.Node, error) {
 	nodes := make([]*toml.Node, len(nodeCfgs))
 	for i, nodeCfg := range nodeCfgs {
-		if nodeCfg.WSURL == nil || nodeCfg.HTTPURL == nil {
-			return nil, fmt.Errorf("node config [%d]: missing WS or HTTP URL", i)
+		var wsURL, httpURL *commonconfig.URL
+		// wsUrl requirement will be checked in EVMConfig validation
+		if nodeCfg.WSURL != nil {
+			wsURL = commonconfig.MustParseURL(*nodeCfg.WSURL)
 		}
-		wsUrl := commonconfig.MustParseURL(*nodeCfg.WSURL)
-		httpUrl := commonconfig.MustParseURL(*nodeCfg.HTTPURL)
+
+		if nodeCfg.HTTPURL == nil {
+			return nil, fmt.Errorf("node config [%d]: missing HTTP URL", i)
+		}
+
+		httpURL = commonconfig.MustParseURL(*nodeCfg.HTTPURL)
 		node := &toml.Node{
 			Name:     nodeCfg.Name,
-			WSURL:    wsUrl,
-			HTTPURL:  httpUrl,
+			WSURL:    wsURL,
+			HTTPURL:  httpURL,
 			SendOnly: nodeCfg.SendOnly,
 			Order:    nodeCfg.Order,
 		}
diff --git a/core/chains/evm/client/config_builder_test.go b/core/chains/evm/client/config_builder_test.go
index 403c6c2d619..ebffe5f63a2 100644
--- a/core/chains/evm/client/config_builder_test.go
+++ b/core/chains/evm/client/config_builder_test.go
@@ -90,7 +90,7 @@ func TestNodeConfigs(t *testing.T) {
 		require.Len(t, tomlNodes, len(nodeConfigs))
 	})
 
-	t.Run("parsing missing ws url fails", func(t *testing.T) {
+	t.Run("ws can be optional", func(t *testing.T) {
 		nodeConfigs := []client.NodeConfig{
 			{
 				Name:    ptr("foo1"),
@@ -98,7 +98,7 @@ func TestNodeConfigs(t *testing.T) {
 			},
 		}
 		_, err := client.ParseTestNodeConfigs(nodeConfigs)
-		require.Error(t, err)
+		require.Nil(t, err)
 	})
 
 	t.Run("parsing missing http url fails", func(t *testing.T) {
diff --git a/core/chains/evm/client/evm_client.go b/core/chains/evm/client/evm_client.go
index 1fd533d6aab..a55dd17705a 100644
--- a/core/chains/evm/client/evm_client.go
+++ b/core/chains/evm/client/evm_client.go
@@ -15,22 +15,25 @@ import (
 )
 
 func NewEvmClient(cfg evmconfig.NodePool, chainCfg commonclient.ChainConfig, clientErrors evmconfig.ClientErrors, lggr logger.Logger, chainID *big.Int, nodes []*toml.Node, chainType chaintype.ChainType) Client {
-	var empty url.URL
 	var primaries []commonclient.Node[*big.Int, *evmtypes.Head, RPCClient]
 	var sendonlys []commonclient.SendOnlyNode[*big.Int, RPCClient]
 	largePayloadRPCTimeout, defaultRPCTimeout := getRPCTimeouts(chainType)
 	for i, node := range nodes {
+		var ws url.URL
+		if node.WSURL != nil {
+			ws = (url.URL)(*node.WSURL)
+		}
 		if node.SendOnly != nil && *node.SendOnly {
-			rpc := NewRPCClient(lggr, empty, (*url.URL)(node.HTTPURL), *node.Name, int32(i), chainID,
+			rpc := NewRPCClient(lggr, ws, (*url.URL)(node.HTTPURL), *node.Name, int32(i), chainID,
 				commonclient.Secondary, cfg.FinalizedBlockPollInterval(), largePayloadRPCTimeout, defaultRPCTimeout, chainType)
 			sendonly := commonclient.NewSendOnlyNode(lggr, (url.URL)(*node.HTTPURL),
 				*node.Name, chainID, rpc)
 			sendonlys = append(sendonlys, sendonly)
 		} else {
-			rpc := NewRPCClient(lggr, (url.URL)(*node.WSURL), (*url.URL)(node.HTTPURL), *node.Name, int32(i),
+			rpc := NewRPCClient(lggr, ws, (*url.URL)(node.HTTPURL), *node.Name, int32(i),
 				chainID, commonclient.Primary, cfg.FinalizedBlockPollInterval(), largePayloadRPCTimeout, defaultRPCTimeout, chainType)
 			primaryNode := commonclient.NewNode(cfg, chainCfg,
-				lggr, (url.URL)(*node.WSURL), (*url.URL)(node.HTTPURL), *node.Name, int32(i), chainID, *node.Order,
+				lggr, ws, (*url.URL)(node.HTTPURL), *node.Name, int32(i), chainID, *node.Order,
 				rpc, "EVM")
 			primaries = append(primaries, primaryNode)
 		}
diff --git a/core/chains/evm/client/rpc_client.go b/core/chains/evm/client/rpc_client.go
index 0752def9949..03c27dbad59 100644
--- a/core/chains/evm/client/rpc_client.go
+++ b/core/chains/evm/client/rpc_client.go
@@ -195,30 +195,33 @@ func (r *rpcClient) Dial(callerCtx context.Context) error {
 	ctx, cancel := r.makeQueryCtx(callerCtx, r.rpcTimeout)
 	defer cancel()
 
-	promEVMPoolRPCNodeDials.WithLabelValues(r.chainID.String(), r.name).Inc()
-	lggr := r.rpcLog.With("wsuri", r.ws.uri.Redacted())
-	if r.http != nil {
-		lggr = lggr.With("httpuri", r.http.uri.Redacted())
+	if r.ws.uri.String() == "" && r.http == nil {
+		return errors.New("cannot dial rpc client when both ws and http info are missing")
 	}
-	lggr.Debugw("RPC dial: evmclient.Client#dial")
 
-	wsrpc, err := rpc.DialWebsocket(ctx, r.ws.uri.String(), "")
-	if err != nil {
-		promEVMPoolRPCNodeDialsFailed.WithLabelValues(r.chainID.String(), r.name).Inc()
-		return r.wrapRPCClientError(pkgerrors.Wrapf(err, "error while dialing websocket: %v", r.ws.uri.Redacted()))
-	}
+	promEVMPoolRPCNodeDials.WithLabelValues(r.chainID.String(), r.name).Inc()
+	lggr := r.rpcLog
+	if r.ws.uri.String() != "" {
+		lggr = lggr.With("wsuri", r.ws.uri.Redacted())
+		wsrpc, err := rpc.DialWebsocket(ctx, r.ws.uri.String(), "")
+		if err != nil {
+			promEVMPoolRPCNodeDialsFailed.WithLabelValues(r.chainID.String(), r.name).Inc()
+			return r.wrapRPCClientError(pkgerrors.Wrapf(err, "error while dialing websocket: %v", r.ws.uri.Redacted()))
+		}
 
-	r.ws.rpc = wsrpc
-	r.ws.geth = ethclient.NewClient(wsrpc)
+		r.ws.rpc = wsrpc
+		r.ws.geth = ethclient.NewClient(wsrpc)
+	}
 
 	if r.http != nil {
+		lggr = lggr.With("httpuri", r.http.uri.Redacted())
 		if err := r.DialHTTP(); err != nil {
 			return err
 		}
 	}
 
+	lggr.Debugw("RPC dial: evmclient.Client#dial")
 	promEVMPoolRPCNodeDialsSuccess.WithLabelValues(r.chainID.String(), r.name).Inc()
-
 	return nil
 }
 
@@ -1215,6 +1218,9 @@ func (r *rpcClient) ClientVersion(ctx context.Context) (version string, err erro
 }
 
 func (r *rpcClient) SubscribeFilterLogs(ctx context.Context, q ethereum.FilterQuery, ch chan<- types.Log) (_ ethereum.Subscription, err error) {
+	if r.ws.uri.String() == "" {
+		return nil, errors.New("SubscribeFilterLogs is not allowed without ws url")
+	}
 	ctx, cancel, chStopInFlight, ws, _ := r.acquireQueryCtx(ctx, r.rpcTimeout)
 	defer cancel()
 	lggr := r.newRqLggr().With("q", q)
diff --git a/core/chains/evm/client/rpc_client_test.go b/core/chains/evm/client/rpc_client_test.go
index 07e097727a3..8bb98a27e1f 100644
--- a/core/chains/evm/client/rpc_client_test.go
+++ b/core/chains/evm/client/rpc_client_test.go
@@ -57,6 +57,12 @@ func TestRPCClient_SubscribeNewHead(t *testing.T) {
 		}
 		return
 	}
+	t.Run("WS and HTTP URL cannot be both empty", func(t *testing.T) {
+		// ws is optional when LogBroadcaster is disabled, however SubscribeFilterLogs will return error if ws is missing
+		observedLggr, _ := logger.TestObserved(t, zap.DebugLevel)
+		rpcClient := client.NewRPCClient(observedLggr, url.URL{}, nil, "rpc", 1, chainId, commonclient.Primary, 0, commonclient.QueryTimeout, commonclient.QueryTimeout, "")
+		require.Equal(t, errors.New("cannot dial rpc client when both ws and http info are missing"), rpcClient.Dial(ctx))
+	})
 	t.Run("Updates chain info on new blocks", func(t *testing.T) {
 		server := testutils.NewWSServer(t, chainId, serverCallBack)
 		wsURL := server.WSURL()
@@ -209,6 +215,15 @@ func TestRPCClient_SubscribeFilterLogs(t *testing.T) {
 	lggr := logger.Test(t)
 	ctx, cancel := context.WithTimeout(tests.Context(t), tests.WaitTimeout(t))
 	defer cancel()
+	t.Run("Failed SubscribeFilterLogs when WSURL is empty", func(t *testing.T) {
+		// ws is optional when LogBroadcaster is disabled, however SubscribeFilterLogs will return error if ws is missing
+		observedLggr, _ := logger.TestObserved(t, zap.DebugLevel)
+		rpcClient := client.NewRPCClient(observedLggr, url.URL{}, &url.URL{}, "rpc", 1, chainId, commonclient.Primary, 0, commonclient.QueryTimeout, commonclient.QueryTimeout, "")
+		require.Nil(t, rpcClient.Dial(ctx))
+
+		_, err := rpcClient.SubscribeFilterLogs(ctx, ethereum.FilterQuery{}, make(chan types.Log))
+		require.Equal(t, errors.New("SubscribeFilterLogs is not allowed without ws url"), err)
+	})
 	t.Run("Failed SubscribeFilterLogs logs and returns proper error", func(t *testing.T) {
 		server := testutils.NewWSServer(t, chainId, func(reqMethod string, reqParams gjson.Result) (resp testutils.JSONRPCResponse) {
 			return resp
diff --git a/core/chains/evm/config/toml/config.go b/core/chains/evm/config/toml/config.go
index ecc278a7ec5..13db891297f 100644
--- a/core/chains/evm/config/toml/config.go
+++ b/core/chains/evm/config/toml/config.go
@@ -23,7 +23,10 @@ import (
 	"github.com/smartcontractkit/chainlink/v2/core/chains/evm/utils/big"
 )
 
-var ErrNotFound = errors.New("not found")
+var (
+	ErrNotFound                          = errors.New("not found")
+	ErrLogBroadcasterEnabledWithoutWSURL = errors.New("logbroadcaster cannot be enabled unless all primary nodes have valid WSURL provided")
+)
 
 type HasEVMConfigs interface {
 	EVMConfigs() EVMConfigs
@@ -311,13 +314,24 @@ func (c *EVMConfig) ValidateConfig() (err error) {
 		err = multierr.Append(err, commonconfig.ErrMissing{Name: "Nodes", Msg: "must have at least one node"})
 	} else {
 		var hasPrimary bool
-		for _, n := range c.Nodes {
+		var logBroadcasterEnabled bool
+		if c.LogBroadcasterEnabled != nil {
+			logBroadcasterEnabled = *c.LogBroadcasterEnabled
+		}
+
+		for i, n := range c.Nodes {
 			if n.SendOnly != nil && *n.SendOnly {
 				continue
 			}
+
 			hasPrimary = true
-			break
+
+			// if the node is a primary node, then the WS URL is required when LogBroadcaster is enabled
+			if !logBroadcasterEnabled && (n.WSURL == nil || n.WSURL.IsZero()) {
+				err = multierr.Append(err, commonconfig.ErrMissing{Name: "Nodes", Msg: fmt.Sprintf("%vth node is a primary node and it's missing valid WSURL with LogBroadcaster is enabled", i)})
+			}
 		}
+
 		if !hasPrimary {
 			err = multierr.Append(err, commonconfig.ErrMissing{Name: "Nodes",
 				Msg: "must have at least one primary node with WSURL"})
@@ -965,19 +979,8 @@ func (n *Node) ValidateConfig() (err error) {
 		err = multierr.Append(err, commonconfig.ErrEmpty{Name: "Name", Msg: "required for all nodes"})
 	}
 
-	var sendOnly bool
-	if n.SendOnly != nil {
-		sendOnly = *n.SendOnly
-	}
-	if n.WSURL == nil {
-		if !sendOnly {
-			err = multierr.Append(err, commonconfig.ErrMissing{Name: "WSURL", Msg: "required for primary nodes"})
-		}
-	} else if n.WSURL.IsZero() {
-		if !sendOnly {
-			err = multierr.Append(err, commonconfig.ErrEmpty{Name: "WSURL", Msg: "required for primary nodes"})
-		}
-	} else {
+	// relax the check here as WSURL can potentially be empty if LogBroadcaster is disabled (checked in EVMConfig Validation)
+	if n.WSURL != nil && !n.WSURL.IsZero() {
 		switch n.WSURL.Scheme {
 		case "ws", "wss":
 		default:
diff --git a/core/config/docs/chains-evm.toml b/core/config/docs/chains-evm.toml
index ce85f242f5d..b4a5e265b28 100644
--- a/core/config/docs/chains-evm.toml
+++ b/core/config/docs/chains-evm.toml
@@ -464,7 +464,7 @@ ObservationGracePeriod = '1s' # Default
 [[EVM.Nodes]]
 # Name is a unique (per-chain) identifier for this node.
 Name = 'foo' # Example
-# WSURL is the WS(S) endpoint for this node. Required for primary nodes.
+# WSURL is the WS(S) endpoint for this node. Required for primary nodes when `LogBroadcasterEnabled` is `true`
 WSURL = 'wss://web.socket/test' # Example
 # HTTPURL is the HTTP(S) endpoint for this node. Required for all nodes.
 HTTPURL = 'https://foo.web' # Example
diff --git a/core/services/chainlink/config_test.go b/core/services/chainlink/config_test.go
index 71dc763ad6a..b066a017441 100644
--- a/core/services/chainlink/config_test.go
+++ b/core/services/chainlink/config_test.go
@@ -1331,7 +1331,8 @@ func TestConfig_Validate(t *testing.T) {
 		- 1.ChainID: invalid value (1): duplicate - must be unique
 		- 0.Nodes.1.Name: invalid value (foo): duplicate - must be unique
 		- 3.Nodes.4.WSURL: invalid value (ws://dupe.com): duplicate - must be unique
-		- 0: 3 errors:
+		- 0: 4 errors:
+			- Nodes: missing: all primary nodes must provide a valid WSURL when LogBroadcaster is enabled
 			- GasEstimator.BumpTxDepth: invalid value (11): must be less than or equal to Transactions.MaxInFlight
 			- GasEstimator: 6 errors:
 				- BumpPercent: invalid value (1): may not be less than Geth's default of 10
@@ -1341,9 +1342,7 @@ func TestConfig_Validate(t *testing.T) {
 				- PriceMax: invalid value (10 gwei): must be greater than or equal to PriceDefault
 				- BlockHistory.BlockHistorySize: invalid value (0): must be greater than or equal to 1 with BlockHistory Mode
 			- Nodes: 2 errors:
-				- 0: 2 errors:
-					- WSURL: missing: required for primary nodes
-					- HTTPURL: missing: required for all nodes
+				- 0.HTTPURL: missing: required for all nodes
 				- 1.HTTPURL: missing: required for all nodes
 		- 1: 10 errors:
 			- ChainType: invalid value (Foo): must not be set with this chain id
@@ -1364,18 +1363,19 @@ func TestConfig_Validate(t *testing.T) {
 			- ChainType: invalid value (Arbitrum): must be one of arbitrum, astar, celo, gnosis, hedera, kroma, mantle, metis, optimismBedrock, scroll, wemix, xlayer, zkevm, zksync or omitted
 			- FinalityDepth: invalid value (0): must be greater than or equal to 1
 			- MinIncomingConfirmations: invalid value (0): must be greater than or equal to 1
-		- 3.Nodes: 5 errors:
-				- 0: 3 errors:
+		- 3: 3 errors:
+			- Nodes: missing: all primary nodes must provide a valid WSURL when LogBroadcaster is enabled
+			- Nodes: missing: all primary nodes must provide a valid WSURL when LogBroadcaster is enabled
+			- Nodes: 5 errors:
+				- 0: 2 errors:
 					- Name: missing: required for all nodes
-					- WSURL: missing: required for primary nodes
 					- HTTPURL: empty: required for all nodes
 				- 1: 3 errors:
 					- Name: missing: required for all nodes
 					- WSURL: invalid value (http): must be ws or wss
 					- HTTPURL: missing: required for all nodes
-				- 2: 3 errors:
+				- 2: 2 errors:
 					- Name: empty: required for all nodes
-					- WSURL: missing: required for primary nodes
 					- HTTPURL: invalid value (ws): must be http or https
 				- 3.HTTPURL: missing: required for all nodes
 				- 4.HTTPURL: missing: required for all nodes
diff --git a/docs/CONFIG.md b/docs/CONFIG.md
index 3b42bc37562..c0f00453f7e 100644
--- a/docs/CONFIG.md
+++ b/docs/CONFIG.md
@@ -9137,7 +9137,7 @@ Name is a unique (per-chain) identifier for this node.
 ```toml
 WSURL = 'wss://web.socket/test' # Example
 ```
-WSURL is the WS(S) endpoint for this node. Required for primary nodes.
+WSURL is the WS(S) endpoint for this node. Required for primary nodes when `LogBroadcasterEnabled` is `true`
 
 ### HTTPURL
 ```toml