diff --git a/client_test.go b/client_test.go
index 83061ddb..cca1349f 100644
--- a/client_test.go
+++ b/client_test.go
@@ -322,6 +322,17 @@ func TestPushTypeMDMHeader(t *testing.T) {
 	assert.NoError(t, err)
 }
 
+func TestPushTypeLiveActivityHeader(t *testing.T) {
+	n := mockNotification()
+	n.PushType = apns.PushTypeLiveActivity
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, "liveactivity", r.Header.Get("apns-push-type"))
+	}))
+	defer server.Close()
+	_, err := mockClient(server.URL).Push(n)
+	assert.NoError(t, err)
+}
+
 func TestAuthorizationHeader(t *testing.T) {
 	n := mockNotification()
 	token := mockToken()
diff --git a/notification.go b/notification.go
index 69bf312d..5cbc921f 100644
--- a/notification.go
+++ b/notification.go
@@ -63,6 +63,14 @@ const (
 	// contact the MDM server. If you set this push type, you must use the topic
 	// from the UID attribute in the subject of your MDM push certificate.
 	PushTypeMDM EPushType = "mdm"
+
+	// PushTypeLiveActivity is used for Live Activities that display various
+	// real-time information. If you set this push type, the topic field must
+	// use your app’s bundle ID with `push-type.liveactivity` appended to the end.
+	// The live activity push supports only token-based authentication. This
+	// push type is recommended for iOS. It is not available on macOS, tvOS,
+	// watchOS and iPadOS.
+	PushTypeLiveActivity EPushType = "liveactivity"
 )
 
 const (
diff --git a/payload/builder.go b/payload/builder.go
index a2ff30da..7d0cd5ac 100644
--- a/payload/builder.go
+++ b/payload/builder.go
@@ -23,6 +23,17 @@ const (
 	InterruptionLevelCritical EInterruptionLevel = "critical"
 )
 
+// LiveActivityEvent defines the value for the payload aps event
+type ELiveActivityEvent string
+
+const (
+	// LiveActivityEventUpdate is used to update an live activity.
+	LiveActivityEventUpdate ELiveActivityEvent = "update"
+
+	// LiveActivityEventEnd is used to end an live activity.
+	LiveActivityEventEnd ELiveActivityEvent = "end"
+)
+
 // Payload represents a notification which holds the content that will be
 // marshalled as JSON.
 type Payload struct {
@@ -30,16 +41,23 @@ type Payload struct {
 }
 
 type aps struct {
-	Alert             interface{}        `json:"alert,omitempty"`
-	Badge             interface{}        `json:"badge,omitempty"`
-	Category          string             `json:"category,omitempty"`
-	ContentAvailable  int                `json:"content-available,omitempty"`
-	InterruptionLevel EInterruptionLevel `json:"interruption-level,omitempty"`
-	MutableContent    int                `json:"mutable-content,omitempty"`
-	RelevanceScore    interface{}        `json:"relevance-score,omitempty"`
-	Sound             interface{}        `json:"sound,omitempty"`
-	ThreadID          string             `json:"thread-id,omitempty"`
-	URLArgs           []string           `json:"url-args,omitempty"`
+	Alert             interface{}            `json:"alert,omitempty"`
+	Badge             interface{}            `json:"badge,omitempty"`
+	Category          string                 `json:"category,omitempty"`
+	ContentAvailable  int                    `json:"content-available,omitempty"`
+	InterruptionLevel EInterruptionLevel     `json:"interruption-level,omitempty"`
+	MutableContent    int                    `json:"mutable-content,omitempty"`
+	RelevanceScore    interface{}            `json:"relevance-score,omitempty"`
+	Sound             interface{}            `json:"sound,omitempty"`
+	ThreadID          string                 `json:"thread-id,omitempty"`
+	URLArgs           []string               `json:"url-args,omitempty"`
+	ContentState      map[string]interface{} `json:"content-state,omitempty"`
+	DismissalDate     int64                  `json:"dismissal-date,omitempty"`
+	StaleDate         int64                  `json:"stale-date,omitempty"`
+	Event             ELiveActivityEvent     `json:"event,omitempty"`
+	Timestamp         int64                  `json:"timestamp,omitempty"`
+	AttributesType    string                 `json:"attributes-type,omitempty"`
+	Attributes        map[string]interface{} `json:"attributes,omitempty"`
 }
 
 type alert struct {
@@ -81,6 +99,69 @@ func (p *Payload) Alert(alert interface{}) *Payload {
 	return p
 }
 
+// SetContentState sets the aps content-state on the payload.
+// This will update content-state of live activity widget.
+//
+//	{"aps":{"content-state": {} }}`
+func (p *Payload) SetContentState(contentState map[string]interface{}) *Payload {
+	p.aps().ContentState = contentState
+	return p
+}
+
+// SetDismissalDate sets the aps dismissal-date on the payload.
+// This will remove the live activity from the user's UI at the given timestamp.
+//
+//	{"aps":{"dismissal-date": DismissalDate }}`
+func (p *Payload) SetDismissalDate(dismissalDate int64) *Payload {
+	p.aps().DismissalDate = dismissalDate
+	return p
+}
+
+// SetStaleDate sets the aps stale-date on the payload.
+// This will mark this live activity update as outdated at the given timestamp.
+//
+//	{"aps":{"stale-date": StaleDate }}`
+func (p *Payload) SetStaleDate(staleDate int64) *Payload {
+	p.aps().StaleDate = staleDate
+	return p
+}
+
+// SetEvent sets the aps event type on the payload.
+// This can either be `LiveActivityEventUpdate` or `LiveActivityEventEnd`
+//
+//	{"aps":{"event": Event }}`
+func (p *Payload) SetEvent(event ELiveActivityEvent) *Payload {
+	p.aps().Event = event
+	return p
+}
+
+// SetTimestamp sets the aps timestamp on the payload.
+// This will let live activity know when to update the stuff.
+//
+//	{"aps":{"timestamp": Timestamp }}`
+func (p *Payload) SetTimestamp(timestamp int64) *Payload {
+	p.aps().Timestamp = timestamp
+	return p
+}
+
+// SetAttributesType sets the aps attributes-type field on the payload.
+// This is used for push-to-start live activities
+//
+//	{"aps":{"attributes-type": attributesType }}`
+func (p *Payload) SetAttributesType(attributesType string) *Payload {
+	p.aps().AttributesType = attributesType
+	return p
+}
+
+// SetAttributes sets the aps attributes field on the payload.
+// This is used for push-to-start live activities
+//
+//	{"aps":{"attributes": attributes }}`
+func (p *Payload) SetAttributes(attributes map[string]interface{}) *Payload {
+	p.aps().Attributes = attributes
+	return p
+}
+
 // Badge sets the aps badge on the payload.
 // This will display a numeric badge on the app icon.
 //
@@ -218,7 +299,7 @@ func (p *Payload) AlertLaunchImage(image string) *Payload {
 // specifiers in loc-key. See Localized Formatted Strings in Apple
 // documentation for more information.
 //
-//  {"aps":{"alert":{"loc-args":args}}}
+//	{"aps":{"alert":{"loc-args":args}}}
 func (p *Payload) AlertLocArgs(args []string) *Payload {
 	p.aps().alert().LocArgs = args
 	return p
diff --git a/payload/builder_test.go b/payload/builder_test.go
index a9650206..b0351d06 100644
--- a/payload/builder_test.go
+++ b/payload/builder_test.go
@@ -3,6 +3,7 @@ package payload_test
 import (
 	"encoding/json"
 	"testing"
+	"time"
 
 	. "github.com/sideshow/apns2/payload"
 	"github.com/stretchr/testify/assert"
@@ -146,6 +147,66 @@ func TestCategory(t *testing.T) {
 	assert.Equal(t, `{"aps":{"category":"NEW_MESSAGE_CATEGORY"}}`, string(b))
 }
 
+func TestContentState(t *testing.T) {
+	payload := NewPayload().SetContentState(map[string]interface{}{"my_int": 13, "my_string": "foo"})
+	b, _ := json.Marshal(payload)
+	assert.Equal(t, `{"aps":{"content-state":{"my_int":13,"my_string":"foo"}}}`, string(b))
+}
+
+func TestDismissalDate(t *testing.T) {
+	timestamp := time.Date(2023, 1, 27, 12, 14, 00, 00, time.UTC).Unix()
+	payload := NewPayload().SetDismissalDate(timestamp)
+	b, _ := json.Marshal(payload)
+	assert.Equal(t, `{"aps":{"dismissal-date":1674821640}}`, string(b))
+}
+
+func TestStaleDate(t *testing.T) {
+	timestamp := time.Date(2023, 1, 27, 12, 14, 00, 00, time.UTC).Unix()
+	payload := NewPayload().SetStaleDate(timestamp)
+	b, _ := json.Marshal(payload)
+	assert.Equal(t, `{"aps":{"stale-date":1674821640}}`, string(b))
+}
+
+func TestEventEnd(t *testing.T) {
+	payload := NewPayload().SetEvent(LiveActivityEventEnd)
+	b, _ := json.Marshal(payload)
+	assert.Equal(t, `{"aps":{"event":"end"}}`, string(b))
+}
+
+func TestEventUpdate(t *testing.T) {
+	payload := NewPayload().SetEvent(LiveActivityEventUpdate)
+	b, _ := json.Marshal(payload)
+	assert.Equal(t, `{"aps":{"event":"update"}}`, string(b))
+}
+
+func TestTimestamp(t *testing.T) {
+	timestamp := time.Date(2023, 1, 27, 12, 14, 00, 00, time.UTC).Unix()
+	payload := NewPayload().SetTimestamp(timestamp)
+	b, _ := json.Marshal(payload)
+	assert.Equal(t, `{"aps":{"timestamp":1674821640}}`, string(b))
+}
+
+func TestAttributesType(t *testing.T) {
+	attributesType := "AdventureAttributes"
+	payload := NewPayload().SetAttributesType(attributesType)
+	b, _ := json.Marshal(payload)
+	assert.Equal(t, `{"aps":{"attributes-type":"AdventureAttributes"}}`, string(b))
+}
+
+func TestAttributes(t *testing.T) {
+	attributes := map[string]interface{}{
+		"currentHealthLevel": 100,
+		"eventDescription":   "Adventure has begun!",
+	}
+	payload := NewPayload().SetAttributes(attributes)
+	b, _ := json.Marshal(payload)
+	assert.Equal(
+		t,
+		`{"aps":{"attributes":{"currentHealthLevel":100,"eventDescription":"Adventure has begun!"}}}`,
+		string(b),
+	)
+}
+
 func TestMdm(t *testing.T) {
 	payload := NewPayload().Mdm("996ac527-9993-4a0a-8528-60b2b3c2f52b")
 	b, _ := json.Marshal(payload)