diff --git a/packages/backend/src/apps/invoice-ninja/index.ts b/packages/backend/src/apps/invoice-ninja/index.ts
index 9c8d681b..522367ea 100644
--- a/packages/backend/src/apps/invoice-ninja/index.ts
+++ b/packages/backend/src/apps/invoice-ninja/index.ts
@@ -1,6 +1,7 @@
 import defineApp from '../../helpers/define-app';
 import addAuthHeader from './common/add-auth-header';
 import auth from './auth';
+import triggers from './triggers';
 
 export default defineApp({
   name: 'Invoice Ninja',
@@ -13,4 +14,5 @@ export default defineApp({
   supportsConnections: true,
   beforeRequest: [addAuthHeader],
   auth,
+  triggers,
 });
diff --git a/packages/backend/src/apps/invoice-ninja/triggers/index.ts b/packages/backend/src/apps/invoice-ninja/triggers/index.ts
new file mode 100644
index 00000000..485e3929
--- /dev/null
+++ b/packages/backend/src/apps/invoice-ninja/triggers/index.ts
@@ -0,0 +1,3 @@
+import newClients from './new-clients';
+
+export default [newClients];
diff --git a/packages/backend/src/apps/invoice-ninja/triggers/new-clients/index.ts b/packages/backend/src/apps/invoice-ninja/triggers/new-clients/index.ts
new file mode 100644
index 00000000..72944212
--- /dev/null
+++ b/packages/backend/src/apps/invoice-ninja/triggers/new-clients/index.ts
@@ -0,0 +1,65 @@
+import Crypto from 'crypto';
+import isEmpty from 'lodash/isEmpty';
+import defineTrigger from '../../../../helpers/define-trigger';
+
+type Response = {
+  data: {
+    data: {
+      id: string;
+      event_id: string;
+      target_url: string;
+      format: string;
+    };
+  };
+};
+
+export default defineTrigger({
+  name: 'New clients',
+  key: 'newClients',
+  type: 'webhook',
+  description: 'Triggers when a new client is added.',
+  arguments: [],
+
+  async run($) {
+    const dataItem = {
+      raw: $.request.body,
+      meta: {
+        internalId: Crypto.randomUUID(),
+      },
+    };
+
+    $.pushTriggerItem(dataItem);
+  },
+
+  async testRun($) {
+    const lastExecutionStep = await $.getLastExecutionStep();
+
+    if (!isEmpty(lastExecutionStep?.dataOut)) {
+      $.pushTriggerItem({
+        raw: lastExecutionStep.dataOut,
+        meta: {
+          internalId: '',
+        },
+      });
+    }
+  },
+
+  async registerHook($) {
+    const CREATE_CLIENT_EVENT_ID = '1';
+
+    const payload = {
+      target_url: $.webhookUrl,
+      event_id: CREATE_CLIENT_EVENT_ID,
+      format: 'JSON',
+      rest_method: 'post',
+    };
+
+    const response: Response = await $.http.post('/v1/webhooks', payload);
+
+    await $.flow.setRemoteWebhookId(response.data.data.id);
+  },
+
+  async unregisterHook($) {
+    await $.http.delete(`/v1/webhooks/${$.flow.remoteWebhookId}`);
+  },
+});
diff --git a/packages/docs/pages/.vitepress/config.js b/packages/docs/pages/.vitepress/config.js
index 51b78622..2c058d6a 100644
--- a/packages/docs/pages/.vitepress/config.js
+++ b/packages/docs/pages/.vitepress/config.js
@@ -174,6 +174,7 @@ export default defineConfig({
           collapsible: true,
           collapsed: true,
           items: [
+            { text: 'Triggers', link: '/apps/invoice-ninja/triggers' },
             { text: 'Connection', link: '/apps/invoice-ninja/connection' },
           ],
         },
diff --git a/packages/docs/pages/apps/invoice-ninja/triggers.md b/packages/docs/pages/apps/invoice-ninja/triggers.md
new file mode 100644
index 00000000..e4f346d0
--- /dev/null
+++ b/packages/docs/pages/apps/invoice-ninja/triggers.md
@@ -0,0 +1,12 @@
+---
+favicon: /favicons/invoice-ninja.svg
+items:
+  - name: New clients
+    desc: Triggers when a new client is added.
+---
+
+<script setup>
+  import CustomListing from '../../components/CustomListing.vue'
+</script>
+
+<CustomListing />
diff --git a/packages/docs/pages/guide/available-apps.md b/packages/docs/pages/guide/available-apps.md
index f293d57e..aaf04bfb 100644
--- a/packages/docs/pages/guide/available-apps.md
+++ b/packages/docs/pages/guide/available-apps.md
@@ -17,6 +17,7 @@ The following integrations are currently supported by Automatisch.
 - [Google Sheets](/apps/google-sheets/triggers)
 - [HTTP Request](/apps/http-request/actions)
 - [HubSpot](/apps/hubspot/actions)
+- [Invoice Ninja](/apps/invoice-ninja/triggers)
 - [Mattermost](/apps/mattermost/actions)
 - [Miro](/apps/miro/actions)
 - [Notion](/apps/notion/triggers)