diff --git a/src/sentry/integrations/slack/sdk_client.py b/src/sentry/integrations/slack/sdk_client.py
index 2288f77d42195d..91e928086411b9 100644
--- a/src/sentry/integrations/slack/sdk_client.py
+++ b/src/sentry/integrations/slack/sdk_client.py
@@ -6,6 +6,7 @@
 from slack_sdk.errors import SlackApiError
 from slack_sdk.web import SlackResponse
 
+from sentry.db.postgres.transactions import in_test_hide_transaction_boundary
 from sentry.integrations.base import disable_integration, is_response_error, is_response_success
 from sentry.integrations.request_buffer import IntegrationRequestBuffer
 from sentry.integrations.services.integration import integration_service
@@ -111,7 +112,14 @@ def __init__(self, integration_id: int):
 
         integration: Integration | RpcIntegration | None
         if SiloMode.get_current_mode() == SiloMode.REGION:
-            integration = integration_service.get_integration(integration_id=integration_id)
+            """
+            # In order to send requests, SlackClient needs to fetch the integration
+            # to get access tokens which trips up rpc method/transaction
+            # boundary detection. Those boundaries are not relevant because
+            # this is a read operation.
+            """
+            with in_test_hide_transaction_boundary():
+                integration = integration_service.get_integration(integration_id=integration_id)
         else:  # control or monolith (local)
             integration = Integration.objects.filter(id=integration_id).first()