diff --git a/monasca_api/conf/kafka.py b/monasca_api/conf/kafka.py
index 95836d441..99e9e6433 100644
--- a/monasca_api/conf/kafka.py
+++ b/monasca_api/conf/kafka.py
@@ -64,7 +64,11 @@ kafka_opts = [
                 help='Enable legacy Kafka client. When set old version of '
                      'kafka-python library is used. Message format version '
                      'for the brokers should be set to 0.9.0.0 to avoid '
-                     'performance issues until all consumers are upgraded.')
+                     'performance issues until all consumers are upgraded.'),
+    cfg.IntOpt('queue_buffering_max_messages', default=1000,
+               help='The maximum number of metrics per payload sent to '
+                    'Kafka. Posts to the Monasca API which exceed this will '
+                    'be chunked into batches not exceeding this number.')
 ]
 
 kafka_group = cfg.OptGroup(name='kafka', title='kafka')
diff --git a/monasca_api/v2/reference/metrics.py b/monasca_api/v2/reference/metrics.py
index 1d47fcdfd..6d94970f7 100644
--- a/monasca_api/v2/reference/metrics.py
+++ b/monasca_api/v2/reference/metrics.py
@@ -57,6 +57,7 @@ class Metrics(metrics_api_v2.MetricsV2API):
                 'metrics')
             self._metrics_repo = simport.load(
                 cfg.CONF.repositories.metrics_driver)()
+            self._batch_size = cfg.CONF.kafka.queue_buffering_max_messages
 
         except Exception as ex:
             LOG.exception(ex)
@@ -65,7 +66,9 @@ class Metrics(metrics_api_v2.MetricsV2API):
 
     def _send_metrics(self, metrics):
         try:
-            self._message_queue.send_message(metrics)
+            for i in range(0, len(metrics), self._batch_size):
+                batch = metrics[i:i + self._batch_size]
+                self._message_queue.send_message(batch)
         except message_queue_exceptions.MessageQueueException as ex:
             LOG.exception(ex)
             raise falcon.HTTPServiceUnavailable('Service unavailable',
diff --git a/releasenotes/notes/support-configuring-kafka-post-size-4baa10353e859b8a.yaml b/releasenotes/notes/support-configuring-kafka-post-size-4baa10353e859b8a.yaml
new file mode 100644
index 000000000..f941cda09
--- /dev/null
+++ b/releasenotes/notes/support-configuring-kafka-post-size-4baa10353e859b8a.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - A new config option, queue_buffering_max_messages, has been added to
+    support controlling the size of posts to Kafka from the Monasca API.