Sends different message content to different destination numbers using a single API call and a single sender. Messages are separated using ||-|| and destinations using a comma; the message at a given position is delivered to the destination at the same position.

Response Codes

| Code | Description | |------|-------------| | 1701 | Success. Format: 1701\|<destination>\|<message_id> per destination. | | 1702 | One of the parameters is missing. | | 1703 | Bad username/password — user authentication failed. | | 1704 | Message type is invalid. | | 1705 | Message is invalid. | | 1706 | Sender of the message is invalid. | | 1707 | Source is invalid. | | 1710 | Unknown error. | | 1032 | DND destination. | | 1813 | Error occurred while creating job file. |