diff --git a/.github/workflows/sync-webhook-events.yml b/.github/workflows/sync-webhook-events.yml
new file mode 100644
index 00000000..97cca5f6
--- /dev/null
+++ b/.github/workflows/sync-webhook-events.yml
@@ -0,0 +1,102 @@
+name: Sync Platform SDK webhook events
+
+# Adds the webhook event types production publishes to packages/platform/scripts/webhook-event-types.json
+# and regenerates every type from the published schemas, so it picks up a new event and a changed
+# schema alike. Changes go to one rolling PR; closing it
+# without merging only skips that run, since the next one proposes the same changes again.
+# The sibling of sync-asyncapi.yml, which does the same for the builder socket events.
+
+on:
+  schedule:
+    - cron: "45 * * * *" # Every hour, apart from sync-asyncapi's :15
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+concurrency:
+  group: sync-webhook-events
+  cancel-in-progress: false
+
+env:
+  BRANCH: bot/platform-webhook-events-sync
+  WEBHOOKS_OPENAPI_URL: https://app.base44.com/api/v1/outbound-webhooks/openapi.json
+  EVENT_LIST: packages/platform/scripts/webhook-event-types.json
+  GENERATED: packages/platform/src/server/modules/webhooks.events.generated.ts
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+        with:
+          ref: main
+
+      - name: Wix gateway proxy (mandatory)
+        uses: ./.github/actions/wix-gateway-proxy
+
+      - name: Use Node.js 20.x
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
+        with:
+          node-version: "20.x"
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Sync the event list and regenerate the types
+        run: |
+          npm run sync:webhooks -w @base44/platform -- "$WEBHOOKS_OPENAPI_URL"
+          npm run generate:webhooks -w @base44/platform
+
+      - name: Check for changes
+        id: changes
+        run: |
+          if git diff --quiet -- "$EVENT_LIST" "$GENERATED"; then
+            echo "changed=false" >> "$GITHUB_OUTPUT"
+            echo "✅ The webhook event types are up to date"
+          else
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Close a stale sync PR
+        if: steps.changes.outputs.changed == 'false'
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          pr=$(gh pr list --head "$BRANCH" --state open --json number --jq '.[0].number')
+          if [ -n "$pr" ]; then gh pr close "$pr" --delete-branch --comment "main already has every published event type."; fi
+
+      - name: Build the docs and test the Platform SDK
+        if: steps.changes.outputs.changed == 'true'
+        run: |
+          npm run create-docs -w @base44/platform
+          npm test -w @base44/platform
+
+      - name: Update the sync PR
+        if: steps.changes.outputs.changed == 'true'
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git checkout -B "$BRANCH"
+          git add "$EVENT_LIST" "$GENERATED"
+          git commit -m "chore(platform): sync the webhook event types from production"
+
+          pr=$(gh pr list --head "$BRANCH" --state open --json number --jq '.[0].number')
+          # An open sync PR whose branch already has this exact tree needs no new commit or force-push.
+          if [ -n "$pr" ] && git fetch --depth=1 origin "$BRANCH" && [ "$(git rev-parse 'HEAD^{tree}')" = "$(git rev-parse 'FETCH_HEAD^{tree}')" ]; then
+            echo "✅ #$pr already has these changes"
+            exit 0
+          fi
+          # Rebuilt from main every run, so the branch never drifts or conflicts.
+          git push --force origin "$BRANCH"
+
+          body="Adds any new webhook event types published at $WEBHOOKS_OPENAPI_URL to \`webhook-event-types.json\` and regenerates \`webhooks.events.generated.ts\` from https://base44.com/webhooks/schemas, which also picks up changed schemas. The docs build and the Platform SDK tests passed on this change. Checked against production every hour."
+          if [ -z "$pr" ]; then
+            gh pr create --head "$BRANCH" --base main --title "Sync Platform SDK webhook events from production" --body "$body"
+          fi
diff --git a/packages/platform/package.json b/packages/platform/package.json
index 40c4003d..82c7e047 100644
--- a/packages/platform/package.json
+++ b/packages/platform/package.json
@@ -45,7 +45,8 @@
     "copy-docs-local": "node ../sdk/scripts/mintlify-post-processing/copy-to-local-docs.js --package-dir .",
     "create-docs:generate": "node -e \"fs.rmSync('docs',{recursive:true,force:true})\" && typedoc --options typedoc.mintlify.json",
     "create-docs:process": "node ../sdk/scripts/mintlify-post-processing/file-processing/file-processing.js --package-dir .",
-    "generate:webhooks": "node scripts/generate-webhook-types.mjs"
+    "generate:webhooks": "node scripts/generate-webhook-types.mjs",
+    "sync:webhooks": "node scripts/sync-webhook-event-types.mjs"
   },
   "dependencies": {
     "socket.io-client": "^4.8.3"
diff --git a/packages/platform/scripts/sync-webhook-event-types.mjs b/packages/platform/scripts/sync-webhook-event-types.mjs
new file mode 100644
index 00000000..3ba010f7
--- /dev/null
+++ b/packages/platform/scripts/sync-webhook-event-types.mjs
@@ -0,0 +1,22 @@
+#!/usr/bin/env node
+// Adds the webhook event types production publishes to scripts/webhook-event-types.json:
+//   npm run sync:webhooks [-- <openapi url>]
+// Then run `npm run generate:webhooks`. The hourly sync-webhook-events workflow does both.
+//
+// Only adds. A retired type leaves the published spec, but endpoints that selected it keep
+// receiving it, so the SDK keeps its type.
+import { readFile, writeFile } from "node:fs/promises";
+
+const url =
+  process.argv[2] ?? process.env.WEBHOOKS_OPENAPI_URL ?? "https://app.base44.com/api/v1/outbound-webhooks/openapi.json";
+const target = new URL("./webhook-event-types.json", import.meta.url);
+
+const response = await fetch(url);
+if (!response.ok) throw new Error(`GET ${url} returned ${response.status}`);
+const published = Object.keys((await response.json()).webhooks ?? {});
+if (!published.length) throw new Error(`${url} has no webhooks section. Kept the committed list.`);
+
+const known = JSON.parse(await readFile(target, "utf8"));
+const added = published.filter(type => !known.includes(type));
+await writeFile(target, JSON.stringify([...known, ...added], null, 2) + "\n");
+console.log(added.length ? `Added ${added.join(", ")} from ${url}.` : `No new event types at ${url}.`);
diff --git a/packages/platform/src/server/index.ts b/packages/platform/src/server/index.ts
index 47d1a82d..63eaf098 100644
--- a/packages/platform/src/server/index.ts
+++ b/packages/platform/src/server/index.ts
@@ -4,7 +4,8 @@ export { WebhookConfigurationError, WebhookVerificationError } from "./errors.js
 export type { WebhookConfigurationErrorCode, WebhookVerificationErrorCode } from "./errors.types.js";
 export type { PlatformServer } from "./server.types.js";
 export type {
-  AppCreatedV1Data, AppDeletedV1Data, AppPublishedV1Data, AppRestoredV1Data, AppUnpublishedV1Data, CloudEvent, CreateHandlerOptions,
-  DeliveredWebhookEvent, UnknownWebhookEvent, VerifyEventOptions, WebhookEventHandlers, WebhookEvent, WebhookEventMap, WebhookEventType, WebhookHeaders,
-  WebhookPublicKeys, WebhooksModule, WebhookTestV1Data,
+  CloudEvent, CreateHandlerOptions, DeliveredWebhookEvent, UnknownWebhookEvent, VerifyEventOptions, WebhookEventHandlers, WebhookEvent,
+  WebhookEventType, WebhookHeaders, WebhookPublicKeys, WebhooksModule,
 } from "./modules/webhooks.types.js";
+// Every event's data type, so a type the sync adds is exported and documented without an edit here.
+export type * from "./modules/webhooks.events.generated.js";
diff --git a/packages/platform/tests/types/webhooks.types.ts b/packages/platform/tests/types/webhooks.types.ts
index 98ce34fe..4dea7967 100644
--- a/packages/platform/tests/types/webhooks.types.ts
+++ b/packages/platform/tests/types/webhooks.types.ts
@@ -1,5 +1,6 @@
 import {
-  createPlatformServer, type AppCreatedV1Data, type WebhookEvent, type WebhookEventMap, type WebhookTestV1Data,
+  createPlatformServer, type AppCreatedV1Data, type WebhookEvent, type WebhookEventMap, type WebhookEventType,
+  type WebhookTestV1Data,
 } from "@base44/platform/server";
 
 const platform = createPlatformServer();
@@ -27,8 +28,8 @@ async function handle(body: string, headers: Headers) {
       break;
     }
     default: {
-      // A default branch still sees the event (the remaining known types), so it can be logged.
-      const type: "app.unpublished.v1" | "app.restored.v1" = event.type;
+      // A default branch still sees the event (the known types not handled above), so it can be logged.
+      const type: Exclude<WebhookEventType, "app.created.v1" | "app.published.v1" | "app.deleted.v1" | "webhook.test.v1"> = event.type;
       void type;
     }
   }
@@ -45,7 +46,7 @@ platform.webhooks.createHandler({
 // Examples published with the schemas must stay assignable to the generated types.
 const created: AppCreatedV1Data = {
   app_id: "68b0c1d2e3f4a5b6c7d8e9f0", workspace_id: "68a1b2c3d4e5f6a7b8c9d0e1", owner_id: "6899aabbccddeeff00112233",
-  owner_service_external_id: "sunny-9f2c4a", app_type: "user_app", created_at: "2026-09-01T10:15:30.123Z",
+  app_type: "user_app", created_at: "2026-09-01T10:15:30.123Z",
 };
 const probe: WebhookTestV1Data = { endpoint_id: "e", workspace_id: "w", sent_at: "2026-09-01T10:15:30.123Z", challenge: "8f14e45f" };
 const map: Pick<WebhookEventMap, "app.created.v1" | "webhook.test.v1"> = { "app.created.v1": created, "webhook.test.v1": probe };