diff --git a/thorclient/httpclient/client.go b/thorclient/httpclient/client.go
index 8f88783f5..ce05bf17f 100644
--- a/thorclient/httpclient/client.go
+++ b/thorclient/httpclient/client.go
@@ -33,9 +33,13 @@ type Client struct {
 
 // New creates a new Client with the provided URL.
 func New(url string) *Client {
+	return NewWithHTTP(url, http.DefaultClient)
+}
+
+func NewWithHTTP(url string, c *http.Client) *Client {
 	return &Client{
 		url: url,
-		c:   &http.Client{},
+		c:   c,
 	}
 }
 
diff --git a/thorclient/thorclient.go b/thorclient/thorclient.go
index 8458a0ae4..0b7939f51 100644
--- a/thorclient/thorclient.go
+++ b/thorclient/thorclient.go
@@ -11,6 +11,7 @@ package thorclient
 
 import (
 	"fmt"
+	"net/http"
 
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/common/math"
@@ -44,6 +45,13 @@ func New(url string) *Client {
 	}
 }
 
+// NewWithHTTP creates a new Client using the provided HTTP URL and HTTP client.
+func NewWithHTTP(url string, c *http.Client) *Client {
+	return &Client{
+		httpConn: httpclient.NewWithHTTP(url, c),
+	}
+}
+
 // NewWithWS creates a new Client using the provided HTTP and WebSocket URLs.
 // Returns an error if the WebSocket connection fails.
 func NewWithWS(url string) (*Client, error) {
@@ -202,7 +210,7 @@ func (c *Client) ChainTag() (byte, error) {
 }
 
 // SubscribeBlocks subscribes to block updates over WebSocket.
-func (c *Client) SubscribeBlocks(pos string) (*common.Subscription[*blocks.JSONCollapsedBlock], error) {
+func (c *Client) SubscribeBlocks(pos string) (*common.Subscription[*subscriptions.BlockMessage], error) {
 	if c.wsConn == nil {
 		return nil, fmt.Errorf("not a websocket typed client")
 	}
diff --git a/thorclient/wsclient/client.go b/thorclient/wsclient/client.go
index 057d5aa48..9eb1519ab 100644
--- a/thorclient/wsclient/client.go
+++ b/thorclient/wsclient/client.go
@@ -16,7 +16,6 @@ import (
 	"github.com/vechain/thor/v2/thor"
 
 	"github.com/gorilla/websocket"
-	"github.com/vechain/thor/v2/api/blocks"
 	"github.com/vechain/thor/v2/api/subscriptions"
 	"github.com/vechain/thor/v2/thorclient/common"
 )
@@ -89,7 +88,7 @@ func (c *Client) SubscribeEvents(pos string, filter *subscriptions.EventFilter)
 
 // SubscribeBlocks subscribes to block updates based on the provided query.
 // It returns a Subscription that streams block messages or an error if the connection fails.
-func (c *Client) SubscribeBlocks(pos string) (*common.Subscription[*blocks.JSONCollapsedBlock], error) {
+func (c *Client) SubscribeBlocks(pos string) (*common.Subscription[*subscriptions.BlockMessage], error) {
 	queryValues := &url.Values{}
 	queryValues.Add("pos", pos)
 	conn, err := c.connect("/subscriptions/block", queryValues)
@@ -97,7 +96,7 @@ func (c *Client) SubscribeBlocks(pos string) (*common.Subscription[*blocks.JSONC
 		return nil, fmt.Errorf("unable to connect - %w", err)
 	}
 
-	return subscribe[blocks.JSONCollapsedBlock](conn), nil
+	return subscribe[subscriptions.BlockMessage](conn), nil
 }
 
 // SubscribeTransfers subscribes to transfer events based on the provided query.
diff --git a/thorclient/wsclient/client_test.go b/thorclient/wsclient/client_test.go
index 483ae7233..19dd1b395 100644
--- a/thorclient/wsclient/client_test.go
+++ b/thorclient/wsclient/client_test.go
@@ -13,13 +13,11 @@ import (
 	"testing"
 	"time"
 
-	"github.com/vechain/thor/v2/test/datagen"
-	"github.com/vechain/thor/v2/thor"
-
 	"github.com/gorilla/websocket"
 	"github.com/stretchr/testify/assert"
-	"github.com/vechain/thor/v2/api/blocks"
 	"github.com/vechain/thor/v2/api/subscriptions"
+	"github.com/vechain/thor/v2/test/datagen"
+	"github.com/vechain/thor/v2/thor"
 	"github.com/vechain/thor/v2/thorclient/common"
 )
 
@@ -50,7 +48,7 @@ func TestClient_SubscribeEvents(t *testing.T) {
 
 func TestClient_SubscribeBlocks(t *testing.T) {
 	pos := "best"
-	expectedBlock := &blocks.JSONCollapsedBlock{}
+	expectedBlock := &subscriptions.BlockMessage{}
 
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, "/subscriptions/block", r.URL.Path)
@@ -288,7 +286,7 @@ func TestClient_SubscribeBlocks_ServerError(t *testing.T) {
 
 func TestClient_SubscribeBlocks_ServerShutdown(t *testing.T) {
 	pos := "best"
-	expectedBlock := &blocks.JSONCollapsedBlock{}
+	expectedBlock := &subscriptions.BlockMessage{}
 
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, "/subscriptions/block", r.URL.Path)
@@ -325,7 +323,7 @@ func TestClient_SubscribeBlocks_ServerShutdown(t *testing.T) {
 
 func TestClient_SubscribeBlocks_ClientShutdown(t *testing.T) {
 	pos := "best"
-	expectedBlock := &blocks.JSONCollapsedBlock{}
+	expectedBlock := &subscriptions.BlockMessage{}
 
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, "/subscriptions/block", r.URL.Path)
@@ -377,7 +375,7 @@ func TestClient_SubscribeBlocks_ClientShutdown(t *testing.T) {
 
 func TestClient_SubscribeBlocks_ClientShutdown_LongBlocks(t *testing.T) {
 	pos := "best"
-	expectedBlock := &blocks.JSONCollapsedBlock{}
+	expectedBlock := &subscriptions.BlockMessage{}
 
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		assert.Equal(t, "/subscriptions/block", r.URL.Path)