SendDataToMulticastGroup - AWS IoT Wireless


Sends the specified data to a multicast group.

Request Syntax

POST /multicast-groups/Id/data HTTP/1.1 Content-type: application/json { "PayloadData": "string", "WirelessMetadata": { "LoRaWAN": { "FPort": number } } }

URI Request Parameters

The request uses the following URI parameters.


The ID of the multicast group.

Length Constraints: Maximum length of 256.

Required: Yes

Request Body

The request accepts the following data in JSON format.


The binary to be sent to the end device, encoded in base64.

Type: String

Length Constraints: Maximum length of 2048.

Pattern: ^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$

Required: Yes


Wireless metadata that is to be sent to multicast group.

Type: MulticastWirelessMetadata object

Required: Yes

Response Syntax

HTTP/1.1 201 Content-type: application/json { "MessageId": "string" }

Response Elements

If the action is successful, the service sends back an HTTP 201 response.

The following data is returned in JSON format by the service.


ID of a multicast group message.

Type: String

Length Constraints: Maximum length of 256.


For information about the errors that are common to all actions, see Common Errors.


User does not have permission to perform this action.

HTTP Status Code: 403


Adding, updating, or deleting the resource can cause an inconsistent state.

HTTP Status Code: 409


An unexpected error occurred while processing a request.

HTTP Status Code: 500


Resource does not exist.

HTTP Status Code: 404


The request was denied because it exceeded the allowed API request rate.

HTTP Status Code: 429


The input did not meet the specified constraints.

HTTP Status Code: 400

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: