diff --git a/index.js b/index.js
index e5c54ec..a21da44 100644
--- a/index.js
+++ b/index.js
@@ -12,11 +12,11 @@ const resolve = async name => {
   }
 }
 
-const send = (topic, subject, message) =>
-  sns.publish({ TopicArn: topic, Subject: subject, Message: message }).promise()
+const send = (topic, message, options) =>
+  sns.publish({ TopicArn: topic, Message: message, ...options }).promise()
 
-export default async (channel, subject, payload = {}) => {
+export default async (channel, payload = {}, options = {}) => {
   const topic = await resolve(channel)
   const message = JSON.stringify(payload)
-  return send(topic, subject, message)
+  return send(topic, message, options)
 }
diff --git a/readme.md b/readme.md
index 91f5e16..e4f9a6e 100644
--- a/readme.md
+++ b/readme.md
@@ -16,14 +16,14 @@ $ npm install @nutshelllab/sns-messenger
 const send = require('sns-messenger');
 
 (async () => {
-  await send('my-topic', 'subject', { foo: 'bar' });
+  await send('my-topic', { foo: 'bar' }, { Subject: 'foobar' });
 })
 ```
 
 
 ## API
 
-### snsMessenger(topic, subject, payload)
+### snsMessenger(topic, payload, options)
 
 #### topic
 
@@ -31,17 +31,17 @@ Type: `string`
 
 SNS topic to send message
 
-#### subject
+##### payload
 
-Type: `string`
+Type: `Object`
 
-Message subject
+Message payload
 
-##### payload
+##### options
 
 Type: `Object`
 
-Message payload
+Extra AWS SNS parameters, see [AWSJavaScriptSDK documentation](https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/SNS.html#publish-property)
 
 
 ## License