Send Message Batch

Article
12/19/2023

Sends a batch of messages to a Service Bus queue or topic.

Request

Method	Request URI	HTTP Version
POST	`http{s}://{serviceNamespace}.servicebus.windows.net/{queuePath\|topicPath}/messages\|HTTP/1.1`

Request Headers

The following table describes required and optional request headers. In addition to the listed properties, the header can contain custom properties. See the example.

Request Header	Description
Authorization	Specify one of the following token values: Microsoft Entra JSON Web Token (JWT) token. Example: `Authorization: Bearer <Azure AD JWT token>`. For information on generating a Microsoft Entra token, see Authenticate from an application. A SAS token. Example: `Authorization: SharedAccessSignature sr=<NAMESPACE NAME>.servicebus.windows.net&sig=<SHARED ACCESS KEY>&se=<TOKEN EXPIRY INSTANT>&skn=<SHARED KEY NAME>`. For information on generating a SAS token, see Generate a Shared Access Signature token and Generate SAS token.
Content-Type	Set to application/vnd.microsoft.servicebus.json.
x-ms-retrypolicy	(Optional) Set to `NoRetry` to disable automatic retry on send operations in the case of transient errors.

Request Body

The request body contains the JSON-encoded message batch.

Response

The response includes an HTTP status code and a set of response headers.

Response Codes

Code	Description
201	Message successfully sent to queue or topic.
400	Bad request.
401	Authorization failure.
403	Quota exceeded or message too large.
410	Specified queue or topic doesn't exist.
500	Internal error.

For information about status codes, see Status and Error Codes.

Response Headers

Content-type as passed in.

Response Body

None.

Example

The following HTTP request sends a batch of three messages to a queue or topic. The first message has a TimeToLiveTimeSpan value of 40 seconds, the second message has a custom message property “Priority”, and the third message has the custom message properties “Priority” and “Customer”.

POST https://your-namespace.servicebus.windows.net/HttpClientSampleQueue/messages?timeout=60 HTTP/1.1  
Authorization: SharedAccessSignature sr=your-namespace&sig=Fg8yUyR4MOmXfHfj55f5hY4jGb8x2Yc%2b3%2fULKZYxKZk%3d&se=1404256819&skn=RootManageSharedAccessKey  
Content-Type: application/vnd.microsoft.servicebus.json  
Host: your-namespace.servicebus.windows.net  
Content-Length: 18  
Expect: 100-continue  
  
[  
  {  
    "Body":”This is the first message",  
    "BrokerProperties":{"Label":"M1","TimeToLiveTimeSpan":"0.00:00:40"}  
  },  
  {  
    "Body":”This is the second message",  
    "BrokerProperties":{"Label":"M2"},  
    "UserProperties":{"Priority":"Low"}  
  },  
  {  
    "Body":”This is the third message",  
    "BrokerProperties":{"Label":"M3"},  
    "UserProperties":{"Priority":"Medium","Customer":"ABC"}  
  }  
]

Service Bus returns the following response:

HTTP/1.1 201 Created  
Transfer-Encoding: chunked  
Content-Type: application/xml; charset=utf-8  
Server: Microsoft-HTTPAPI/2.0  
Date: Tue, 01 Jul 2014 23:00:22 GMT  
  
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