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GET
/
api
/
v2
/
SendBulkSMS
{
  "ErrorCode": 123,
  "ErrorDescription": "<string>",
  "Data": [
    {}
  ],
  "Data[].MobileNumber": "<string>",
  "Data[].MessageId": "<string>"
}

​
Send Bulk SMS (GET)

Send bulk SMS messages using the GET method with encoded message parameters. This method allows sending different messages to different recipients in a single request. 
curl -X GET "https://accounts.netvox.ng/api/v2/SendBulkSMS?ApiKey=YOUR_API_KEY&ClientId=YOUR_CLIENT_ID&SenderId=YOUR_SENDER_ID&MobileNumber_Message=1234567890%5EHello%20John%7E0987654321%5EHello%20Jane&Is_Unicode=false&Is_Flash=false"

​
Parameters

​
ApiKey
string
required
Your API key for authentication
​
ClientId
string
required
Your client identifier for authentication
​
SenderId
string
required
Approved sender ID for the messages
​
MobileNumber_Message
string
required
Encoded bulk message parameter (see format below)
​
Is_Unicode
boolean
Set to true for Unicode messages (default: false)
​
Is_Flash
boolean
Set to true for flash messages (default: false)
​
scheduleTime
string
Schedule time in yyyy-MM-dd HH:MM format (optional)

​
MobileNumber_Message Format

The MobileNumber_Message parameter uses a specific format: 
{phone1}^{message1}~{phone2}^{message2}~{phone3}^{message3}

​
Format Rules

  • Use ^ to separate phone number from message
  • Use ~ to separate different phone/message pairs
  • URL encode the entire parameter

​
Example

1234567890^Hello John~0987654321^Hello Jane~5555555555^Hello Bob

​
URL Encoded Example

1234567890%5EHello%20John%7E0987654321%5EHello%20Jane%7E5555555555%5EHello%20Bob

​
Response

​
ErrorCode
number
Error code (0 for success)
​
ErrorDescription
string
Description of the result
​
Data
array
Array of message results
​
Data[].MobileNumber
string
Mobile number that received the message
​
Data[].MessageId
string
Unique message ID for tracking

​
Success Response

{
  "ErrorCode": 0,
  "ErrorDescription": "Success",
  "Data": [
    {
      "MobileNumber": "7894561230",
      "MessageId": "fc103131-5931-4530-ba8e-aa223c769536"
    },
    {
      "MobileNumber": "7894561231",
      "MessageId": "f893293d-d6ea-45e8-b543-40f0df28e0c9"
    }
  ]
}

​
Encoding Examples

​
JavaScript

const messages = [
  { phone: "1234567890", message: "Hello John" },
  { phone: "0987654321", message: "Hello Jane" }
];

const bulkMessage = messages
  .map(m => `${m.phone}^${m.message}`)
  .join('~');

const encoded = encodeURIComponent(bulkMessage);

​
Python

messages = [
    {"phone": "1234567890", "message": "Hello John"},
    {"phone": "0987654321", "message": "Hello Jane"}
]

bulk_message = "~".join([f"{m['phone']}^{m['message']}" for m in messages])
encoded = quote(bulk_message)

​
Use Cases

  • Personalized bulk messaging: Send different messages to different recipients
  • Marketing campaigns: Send targeted messages to customer segments
  • Notifications: Send different notification types to different users
  • Appointment reminders: Send personalized reminders with different details