diff --git a/keys.go b/keys.go
index 516591b..0cea169 100644
--- a/keys.go
+++ b/keys.go
@@ -19,6 +19,9 @@ type Key struct {
 	Created int `json:"created"`
 	// Unix timestamp representing the date and time of the last modification of the key.
 	Modified int `json:"modified"`
+	// (Token revocation is a security mechanism allowing an app to invalidate authentication tokens,
+	// primarily used against malicious clients. Implementation sets tokens' maximum time-to-live (TTL) to one hour.)
+	RevocableTokens bool `json:"revocableTokens"`
 }
 
 // A struct representing the settable fields of an Ably key.
@@ -28,6 +31,9 @@ type NewKey struct {
 	// The capabilities that this key has. More information on capabilities
 	// can be found in the Ably documentation https://ably.com/documentation/core-features/authentication#capabilities-explained.
 	Capability map[string][]string `json:"capability"`
+	// Enable Revocable Tokens. More information on Token Revocation can be
+	// found in the Ably documentation https://ably.com/docs/auth/revocation
+	RevocableTokens bool `json:"revocableTokens,omitempty"`
 }
 
 // Keys lists the API keys associated with the application ID.
diff --git a/keys_test.go b/keys_test.go
index 8becfb3..4f11dbe 100644
--- a/keys_test.go
+++ b/keys_test.go
@@ -15,8 +15,9 @@ func TestKeys(t *testing.T) {
 	name := "test-key-" + fmt.Sprint(rand.Uint64())
 
 	key := NewKey{
-		Name:       name,
-		Capability: map[string][]string{"a": {"subscribe"}},
+		Name:            name,
+		Capability:      map[string][]string{"a": {"subscribe"}},
+		RevocableTokens: true,
 	}
 
 	k, err := client.CreateKey(app.ID, &key)
@@ -24,6 +25,7 @@ func TestKeys(t *testing.T) {
 	assert.Equal(t, key.Name, k.Name)
 	assert.Equal(t, key.Capability, k.Capability)
 	assert.Equal(t, k.Status, 0)
+	assert.Equal(t, key.RevocableTokens, true)
 	assert.NotEmpty(t, k.AppID)
 	assert.NotEmpty(t, k.Created)
 	assert.NotEmpty(t, k.Modified)
@@ -35,14 +37,16 @@ func TestKeys(t *testing.T) {
 	assert.NotEmpty(t, keys)
 
 	key = NewKey{
-		Name:       name + "-changed",
-		Capability: map[string][]string{"b": {"publish"}},
+		Name:            name + "-changed",
+		Capability:      map[string][]string{"b": {"publish"}},
+		RevocableTokens: false,
 	}
 
 	k, err = client.UpdateKey(app.ID, k.ID, &key)
 	assert.NoError(t, err)
 	assert.Equal(t, key.Name, k.Name)
 	assert.Equal(t, key.Capability, k.Capability)
+	assert.Equal(t, key.RevocableTokens, false)
 
 	err = client.RevokeKey(app.ID, k.ID)
 	assert.NoError(t, err)