diff --git a/app/controllers/idv/gpo_verify_controller.rb b/app/controllers/idv/gpo_verify_controller.rb
index eed5efd069f..2b0ec93fcd7 100644
--- a/app/controllers/idv/gpo_verify_controller.rb
+++ b/app/controllers/idv/gpo_verify_controller.rb
@@ -27,10 +27,15 @@ def create
       @gpo_verify_form = build_gpo_verify_form
 
       if throttle.throttled_else_increment?
+        irs_attempts_api_tracker.idv_gpo_verification_throttled
         render_throttled
       else
         result = @gpo_verify_form.submit
         analytics.idv_gpo_verification_submitted(**result.to_h)
+        irs_attempts_api_tracker.idv_gpo_verification_submitted(
+          success: result.success?,
+          failure_reason: result.errors.presence,
+        )
 
         if result.success?
           if result.extra[:pending_in_person_enrollment]
diff --git a/app/services/irs_attempts_api/tracker_events.rb b/app/services/irs_attempts_api/tracker_events.rb
index d08b336f988..5b79e6e4364 100644
--- a/app/services/irs_attempts_api/tracker_events.rb
+++ b/app/services/irs_attempts_api/tracker_events.rb
@@ -150,6 +150,24 @@ def idv_document_upload_rate_limited
       )
     end
 
+    # param [Boolean] Success
+    # param [Hash<Key, Array<String>>] failure_reason displays GPO submission failed
+    # GPO verification submitted from Letter sent to verify address
+    def idv_gpo_verification_submitted(success:, failure_reason:)
+      track_event(
+        :idv_gpo_verification_submitted,
+        success: success,
+        failure_reason: failure_reason,
+      )
+    end
+
+    # GPO verification submission throttled, user entered in too many invalid gpo letter codes
+    def idv_gpo_verification_throttled
+      track_event(
+        :idv_gpo_verification_throttled,
+      )
+    end
+
     # @param [Boolean] success
     # @param [String] phone_number
     # The phone upload link was sent during the IDV process
diff --git a/spec/controllers/idv/gpo_verify_controller_spec.rb b/spec/controllers/idv/gpo_verify_controller_spec.rb
index e3b41bf776c..11ec5a249ae 100644
--- a/spec/controllers/idv/gpo_verify_controller_spec.rb
+++ b/spec/controllers/idv/gpo_verify_controller_spec.rb
@@ -18,6 +18,7 @@
 
   before do
     stub_analytics
+    stub_attempts_tracker
     stub_sign_in(user)
     decorated_user = stub_decorated_user_with_pending_profile(user)
     create(
@@ -68,7 +69,6 @@
       end
 
       it 'renders throttled page' do
-        stub_analytics
         expect(@analytics).to receive(:track_event).with(
           'IdV: GPO verification visited',
         ).once
@@ -108,6 +108,8 @@
           enqueued_at: user.pending_profile.gpo_confirmation_codes.last.code_sent_at,
           pii_like_keypaths: [[:errors, :otp], [:error_details, :otp]],
         )
+        expect(@irs_attempts_api_tracker).to receive(:idv_gpo_verification_submitted).
+          with(success: true, failure_reason: nil)
 
         action
 
@@ -143,6 +145,8 @@
             enqueued_at: user.pending_profile.gpo_confirmation_codes.last.code_sent_at,
             pii_like_keypaths: [[:errors, :otp], [:error_details, :otp]],
           )
+          expect(@irs_attempts_api_tracker).to receive(:idv_gpo_verification_submitted).
+            with(success: true, failure_reason: nil)
 
           action
 
@@ -170,6 +174,9 @@
           error_details: { otp: [:confirmation_code_incorrect] },
           pii_like_keypaths: [[:errors, :otp], [:error_details, :otp]],
         )
+        failure_reason = { otp: ['Incorrect code. Did you type it in correctly?'] }
+        expect(@irs_attempts_api_tracker).to receive(:idv_gpo_verification_submitted).
+          with(success: false, failure_reason: failure_reason)
 
         action
 
@@ -204,6 +211,8 @@
           throttle_type: :verify_gpo_key,
         ).once
 
+        expect(@irs_attempts_api_tracker).to receive(:idv_gpo_verification_throttled).once
+
         (max_attempts + 1).times do |i|
           post(
             :create,