diff --git a/plugins/webhooks/client/components/WebhookSubscriptionForm.tsx b/plugins/webhooks/client/components/WebhookSubscriptionForm.tsx
index f79af68ecc..61d0fc24fd 100644
--- a/plugins/webhooks/client/components/WebhookSubscriptionForm.tsx
+++ b/plugins/webhooks/client/components/WebhookSubscriptionForm.tsx
@@ -13,6 +13,7 @@ import Input from "~/components/Input";
 import Text from "~/components/Text";
 import useCurrentTeam from "~/hooks/useCurrentTeam";
 import useMobile from "~/hooks/useMobile";
+import isCloudHosted from "~/utils/isCloudHosted";
 import Flex from "@shared/components/Flex";
 
 const WEBHOOK_EVENTS = {
@@ -153,6 +154,9 @@ function WebhookSubscriptionForm({ handleSubmit, webhookSubscription }: Props) {
   });
 
   const events = watch("events");
+  const url = watch("url");
+  const showInsecureUrlWarning =
+    !isCloudHosted && typeof url === "string" && url.startsWith("http://");
   const selectedGroups = filter(events, (e) => !e.includes("."));
   const isAllEventSelected = includes(events, "*");
   const filteredEvents = filter(events, (e) => {
@@ -224,9 +228,16 @@ function WebhookSubscriptionForm({ handleSubmit, webhookSubscription }: Props) {
         <Input
           required
           flex
-          pattern="https://.*"
+          pattern={isCloudHosted ? "https://.*" : "https?://.*"}
           placeholder="https://…"
           label={t("URL")}
+          error={
+            showInsecureUrlWarning
+              ? t(
+                  "Webhook delivery over http is insecure, use https if possible"
+                )
+              : undefined
+          }
           {...register("url", { required: true })}
         />
         <Input
diff --git a/plugins/webhooks/server/api/schema.ts b/plugins/webhooks/server/api/schema.ts
index ca1a0c6cbf..9e3f995815 100644
--- a/plugins/webhooks/server/api/schema.ts
+++ b/plugins/webhooks/server/api/schema.ts
@@ -1,7 +1,14 @@
 import { z } from "zod";
+import env from "@server/env";
 import { WebhookSubscription } from "@server/models";
 import { BaseSchema } from "@server/routes/api/schema";
 
+const webhookUrl = z
+  .url()
+  .refine((val) => !env.isCloudHosted || val.startsWith("https://"), {
+    error: "Webhook url must use https",
+  });
+
 export const WebhookSubscriptionsListSchema = BaseSchema.extend({
   body: z.object({
     /** Webhook subscriptions sorting direction */
@@ -33,7 +40,7 @@ export type WebhookSubscriptionsListReq = z.infer<
 export const WebhookSubscriptionsCreateSchema = z.object({
   body: z.object({
     name: z.string(),
-    url: z.url(),
+    url: webhookUrl,
     secret: z.string().optional(),
     events: z.array(z.string()),
   }),
@@ -47,7 +54,7 @@ export const WebhookSubscriptionsUpdateSchema = z.object({
   body: z.object({
     id: z.uuid(),
     name: z.string(),
-    url: z.url(),
+    url: webhookUrl,
     secret: z.string().optional(),
     events: z.array(z.string()),
   }),
diff --git a/plugins/webhooks/server/api/webhookSubscriptions.test.ts b/plugins/webhooks/server/api/webhookSubscriptions.test.ts
index 1eaf1d28de..7d3cf3783e 100644
--- a/plugins/webhooks/server/api/webhookSubscriptions.test.ts
+++ b/plugins/webhooks/server/api/webhookSubscriptions.test.ts
@@ -1,3 +1,4 @@
+import env from "@server/env";
 import {
   buildAdmin,
   buildUser,
@@ -167,6 +168,39 @@ describe("#webhookSubscriptions.create", () => {
     expect(webhook.secret).toEqual(secret);
     expect(webhook.enabled).toEqual(true);
   });
+
+  it("should reject http urls when cloud hosted", async () => {
+    vi.spyOn(env, "isCloudHosted", "get").mockReturnValue(true);
+
+    const user = await buildAdmin();
+    const res = await server.post("/api/webhookSubscriptions.create", user, {
+      body: {
+        name: "Test webhook",
+        url: "http://www.example.com",
+        events: ["comments"],
+      },
+    });
+
+    expect(res.status).toEqual(400);
+  });
+
+  it("should allow http urls when not cloud hosted", async () => {
+    vi.spyOn(env, "isCloudHosted", "get").mockReturnValue(false);
+
+    const user = await buildAdmin();
+    const url = "http://www.example.com";
+    const res = await server.post("/api/webhookSubscriptions.create", user, {
+      body: {
+        name: "Test webhook",
+        url,
+        events: ["comments"],
+      },
+    });
+    const body = await res.json();
+
+    expect(res.status).toEqual(200);
+    expect(body.data.url).toEqual(url);
+  });
 });
 
 describe("#webhookSubscriptions.update", () => {
diff --git a/shared/i18n/locales/en_US/translation.json b/shared/i18n/locales/en_US/translation.json
index 483f33162b..09e6ba9493 100644
--- a/shared/i18n/locales/en_US/translation.json
+++ b/shared/i18n/locales/en_US/translation.json
@@ -1610,6 +1610,7 @@
   "Provide a descriptive name for this webhook and the URL we should send a POST request to when matching events are created.": "Provide a descriptive name for this webhook and the URL we should send a POST request to when matching events are created.",
   "A memorable identifer": "A memorable identifer",
   "URL": "URL",
+  "Webhook delivery over http is insecure, use https if possible": "Webhook delivery over http is insecure, use https if possible",
   "Signing secret": "Signing secret",
   "Subscribe to all events, groups, or individual events. We recommend only subscribing to the minimum amount of events that your application needs to function.": "Subscribe to all events, groups, or individual events. We recommend only subscribing to the minimum amount of events that your application needs to function.",
   "All events": "All events",