diff --git a/api.planx.uk/modules/pay/service/inviteToPay/createPaymentSendEvents.ts b/api.planx.uk/modules/pay/service/inviteToPay/createPaymentSendEvents.ts
index 092ea8854e..4f9b934fb7 100644
--- a/api.planx.uk/modules/pay/service/inviteToPay/createPaymentSendEvents.ts
+++ b/api.planx.uk/modules/pay/service/inviteToPay/createPaymentSendEvents.ts
@@ -43,6 +43,7 @@ const createPaymentSendEvents = async (
     }
 
     // Find this sessions Send component, determine which "destinations" we need to queue up events for
+    //   REMINDER to keep these destinations in sync with api.planx.uk/modules/send/createSendEvents/controller.ts
     const sendNode: [string, Node] | undefined = Object.entries(
       publishedFlowData,
     ).find(([_nodeId, nodeData]) => nodeData.type === ComponentType.Send);
@@ -54,7 +55,7 @@ const createPaymentSendEvents = async (
     if (destinations.includes("bops")) {
       const bopsEvent = await createScheduledEvent({
         webhook: `{{HASURA_PLANX_API_URL}}/bops/${teamSlug}`,
-        schedule_at: now,
+        schedule_at: new Date(now.getTime() + 15 * 1000),
         payload: eventPayload,
         comment: `bops_submission_${payload.sessionId}`,
       });
@@ -91,13 +92,23 @@ const createPaymentSendEvents = async (
 
       const uniformEvent = await createScheduledEvent({
         webhook: `{{HASURA_PLANX_API_URL}}/uniform/${teamSlug}`,
-        schedule_at: now,
+        schedule_at: new Date(now.getTime() + 30 * 1000),
         payload: eventPayload,
         comment: `uniform_submission_${payload.sessionId}`,
       });
       combinedResponse["uniform"] = uniformEvent;
     }
 
+    if (destinations.includes("s3")) {
+      const s3Event = await createScheduledEvent({
+        webhook: `{{HASURA_PLANX_API_URL}}/upload-submission/${teamSlug}`,
+        schedule_at: now,
+        payload: eventPayload,
+        comment: `upload_submission_${payload.sessionId}`,
+      });
+      combinedResponse["s3"] = s3Event;
+    }
+
     return res.json(combinedResponse);
   } catch (error) {
     return next({
diff --git a/api.planx.uk/modules/send/createSendEvents/controller.ts b/api.planx.uk/modules/send/createSendEvents/controller.ts
index d2cb83e9a9..bf50a134ee 100644
--- a/api.planx.uk/modules/send/createSendEvents/controller.ts
+++ b/api.planx.uk/modules/send/createSendEvents/controller.ts
@@ -3,6 +3,7 @@ import { createScheduledEvent } from "../../../lib/hasura/metadata/index.js";
 import type { CreateSendEventsController } from "./types.js";
 
 // Create "One-off Scheduled Events" in Hasura from Send component for selected destinations
+//   REMINDER to keep these destinations in sync with api.planx.uk/modules/pay/service/inviteToPay/createPaymentSendEvents.ts
 const createSendEvents: CreateSendEventsController = async (
   _req,
   res,