diff --git a/test/privy/integration/services/request_expiry_test.rb b/test/privy/integration/services/request_expiry_test.rb
new file mode 100644
index 0000000..d8357c7
--- /dev/null
+++ b/test/privy/integration/services/request_expiry_test.rb
@@ -0,0 +1,79 @@
+# frozen_string_literal: true
+
+require_relative "../integration_test_helper"
+
+class Privy::Test::Integration::RequestExpiryTest < Privy::Test::IntegrationTest
+  def test_default_request_expiry_round_trips
+    kp = Privy::Cryptography.generate_p256_key_pair
+    wallet = client.wallets.create(
+      wallet_create_params: {chain_type: :ethereum, owner: {public_key: kp.public_key}}
+    )
+    ctx = Privy::Authorization::AuthorizationContext.build(authorization_private_keys: [kp.private_key])
+
+    updated = client.wallets.update(
+      wallet.id,
+      wallet_update_params: {display_name: "ruby-sdk-expiry-default-#{Time.now.to_i}"},
+      authorization_context: ctx
+    )
+    refute_nil(updated.id)
+  end
+
+  def test_per_call_request_expiry_round_trips
+    kp = Privy::Cryptography.generate_p256_key_pair
+    wallet = client.wallets.create(
+      wallet_create_params: {chain_type: :ethereum, owner: {public_key: kp.public_key}}
+    )
+    ctx = Privy::Authorization::AuthorizationContext.build(authorization_private_keys: [kp.private_key])
+
+    expiry = Process.clock_gettime(Process::CLOCK_REALTIME, :millisecond) + (5 * 60 * 1_000)
+    updated = client.wallets.update(
+      wallet.id,
+      wallet_update_params: {display_name: "ruby-sdk-expiry-explicit-#{Time.now.to_i}"},
+      authorization_context: ctx,
+      request_expiry: expiry
+    )
+    refute_nil(updated.id)
+  end
+
+  def test_disabled_request_expiry_round_trips
+    disabled_client = Privy::PrivyClient.new(
+      app_id: Privy::Test::IntegrationConfig.app_id,
+      app_secret: Privy::Test::IntegrationConfig.app_secret,
+      base_url: Privy::Test::IntegrationConfig.api_url,
+      request_expiry: Privy::PrivyRequestExpiryOptions.build(disabled: true)
+    )
+
+    kp = Privy::Cryptography.generate_p256_key_pair
+    wallet = disabled_client.wallets.create(
+      wallet_create_params: {chain_type: :ethereum, owner: {public_key: kp.public_key}}
+    )
+    ctx = Privy::Authorization::AuthorizationContext.build(authorization_private_keys: [kp.private_key])
+
+    updated = disabled_client.wallets.update(
+      wallet.id,
+      wallet_update_params: {display_name: "ruby-sdk-expiry-disabled-#{Time.now.to_i}"},
+      authorization_context: ctx
+    )
+    refute_nil(updated.id)
+  end
+
+  def test_expired_request_is_rejected
+    kp = Privy::Cryptography.generate_p256_key_pair
+    wallet = client.wallets.create(
+      wallet_create_params: {chain_type: :ethereum, owner: {public_key: kp.public_key}}
+    )
+    ctx = Privy::Authorization::AuthorizationContext.build(authorization_private_keys: [kp.private_key])
+
+    expired = Process.clock_gettime(Process::CLOCK_REALTIME, :millisecond) - 60_000
+
+    error = assert_raises(Privy::Errors::APIStatusError) do
+      client.wallets.update(
+        wallet.id,
+        wallet_update_params: {display_name: "ruby-sdk-expiry-expired-#{Time.now.to_i}"},
+        authorization_context: ctx,
+        request_expiry: expired
+      )
+    end
+    refute_nil(error.message)
+  end
+end