diff --git a/lib/api.ts b/lib/api.ts
index d41c19c..4899829 100644
--- a/lib/api.ts
+++ b/lib/api.ts
@@ -226,7 +226,7 @@ export class APIClient {
    * @param recipients Recipient selector. See above.
    * @returns The parsed JSON response body.
    */
-  triggerBroadcast(broadcastId: string | number, data: RequestData, recipients: Recipients) {
+  triggerBroadcast(broadcastId: string | number, data: RequestData = {}, recipients: Recipients = {}) {
     let payload = {};
     let customRecipientField = (
       Object.keys(BROADCASTS_ALLOWED_RECIPIENT_FIELDS) as BroadcastsAllowedRecipientFieldsKeys[]
@@ -234,11 +234,13 @@ export class APIClient {
 
     if (customRecipientField) {
       payload = Object.assign({ data }, filterRecipientsDataForField(recipients, customRecipientField));
-    } else {
+    } else if (Object.keys(recipients).length > 0) {
       payload = {
         data,
         recipients,
       };
+    } else {
+      payload = { data };
     }
 
     return this.request.post(`${this.apiRoot}/campaigns/${encodeURIComponent(broadcastId)}/triggers`, payload);
diff --git a/test/api.ts b/test/api.ts
index 9127a41..4aa0436 100644
--- a/test/api.ts
+++ b/test/api.ts
@@ -299,6 +299,36 @@ test('#sendEmail: error', async (t) => {
   t.truthy((t.context.client.request.post as SinonStub).calledWith(`${RegionUS.apiUrl}/send/email`, req.message));
 });
 
+test('#triggerBroadcast works with no data or recipients', (t) => {
+  sinon.stub(t.context.client.request, 'post');
+  t.context.client.triggerBroadcast(1);
+  t.truthy(
+    (t.context.client.request.post as SinonStub).calledWith(`${RegionUS.apiUrl}/campaigns/1/triggers`, {
+      data: {},
+    }),
+  );
+});
+
+test('#triggerBroadcast works with data only', (t) => {
+  sinon.stub(t.context.client.request, 'post');
+  t.context.client.triggerBroadcast(1, { type: 'data' });
+  t.truthy(
+    (t.context.client.request.post as SinonStub).calledWith(`${RegionUS.apiUrl}/campaigns/1/triggers`, {
+      data: { type: 'data' },
+    }),
+  );
+});
+
+test('#triggerBroadcast works with empty recipients', (t) => {
+  sinon.stub(t.context.client.request, 'post');
+  t.context.client.triggerBroadcast(1, { type: 'data' }, {});
+  t.truthy(
+    (t.context.client.request.post as SinonStub).calledWith(`${RegionUS.apiUrl}/campaigns/1/triggers`, {
+      data: { type: 'data' },
+    }),
+  );
+});
+
 test('#triggerBroadcast works', (t) => {
   sinon.stub(t.context.client.request, 'post');
   t.context.client.triggerBroadcast(1, { type: 'data' }, { type: 'recipients' });