Send Smart. Group SMS Made Simple
Create and manage groups of contacts securely. Broadcast messages faster with reusable lists
Top Features That Make Group SMS Powerful
👥
Create Unlimited Groups
Add and manage contact groups with ease
📩
Send to Multiple Groups
Combine, select, or remove groups instantly
📂
Upload or Paste Numbers
Supports Excel/CSV & manual input
🔒
Data Secured in Cloud
Encrypted storage on our private cloud
🔄
Add via API
Connect external apps to auto-add numbers
📊
Get Group-wise Reports
Full delivery and status visibility
How Group SMS Works
1
Create Group
2
Add Contacts
3
Select Group(s)
4
Send or Schedule SMS
5
View Reports
Who Uses Group SMS
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Remind students about fee payment due dates.
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Send weekly attendance reports to guardians.
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Notify alumni about reunions or donation drives.
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Share e-learning links or materials by grade level.
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Announce admission deadlines to inquiry leads.
Group SMS API for Developers
Easily integrate Group SMS functionality into your own web, CRM, ERP, or stand-alone applications using TechTo Networks’ Group API. This allows you to programmatically create contact groups and dynamically upload numbers for SMS campaigns—no manual input needed.
Perfect for:
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Automating contact list updates
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Syncing with external systems
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Triggering group campaigns via workflows
Group SMS API format
Parameters:
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token: Your account API key
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name: Name of the group to be created
Success Response:
A numeric group ID (used in future requests)
Error Codes:
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101: Invalid user
-
102: Invalid group name
✅ Add Numbers to Group API
Parameters:
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token: Your API key
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groupid: Group ID returned by create group API
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numbers: Comma-separated mobile numbers
Success Response:
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100: Numbers updated successfully
Error Codes:
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101: Invalid user
-
102: Invalid group ID
-
103: Invalid contacts
Benefits of Group SMS API
✅ Seamless Automation
Integrate with CRMs, sign-up forms, or apps to create groups and update contacts in real time.
✅ No Manual Work
Eliminates the need for CSV uploads or manual input — perfect for large, dynamic datasets.
✅ Instant Scalability
Supports bulk contact additions across multiple groups at once.
✅ Secure & Tokenized Access
All API calls require a secure token tied to your account.
✅ Campaign-Ready Groups
Once created and populated, groups are instantly available for sending or scheduling SMS.
✅ Developer-Friendly
Simple GET requests with clear success and error codes.
Frequently Asked Questions (FAQs)
1. What is Group SMS in TechTo Networks?
Group SMS is a feature within TechTo Networks’ Bulk SMS platform that allows you to create, manage, and reuse contact groups for sending SMS broadcasts. It simplifies communication by organizing mobile numbers into logical groups such as customers, teams, students, or regional units.
2. How do I create a new group?
To create a group, log in to your TechTo Networks dashboard:
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Navigate to “Group SMS” under the SMS Broadcast tab.
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Click Create Group.
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Enter a descriptive group name (e.g., VIP Clients, Staff Bengaluru).
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Save the group. It will appear in your list instantly.
3. How can I add mobile numbers to a group?
You can add numbers in three ways:
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Manually: Enter each number one by one in a form.
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File Upload: Upload a CSV or Excel file.
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Group API: Automatically send numbers from external systems (CRMs, ERP, POS) using an API.
4. Is there a limit to how many groups or numbers I can add?
No. You can create unlimited groups and add as many numbers as your account supports. Performance and delivery may depend on your package quota.
5. How secure is my contact data?
TechTo Networks ensures:
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End-to-end encryption during transit and at rest.
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ISO-compliant cloud infrastructure.
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Role-based access controls.
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Strict data isolation between customers.
6. What is the Group SMS API and how does it work?
Group SMS API allows you to:
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Create groups from your own application
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Add numbers dynamically to a specific group using groupid
API Endpoint 1: Create Group
Returns: A unique numeric group ID used in future calls
Error Codes:
-
101: Invalid user
-
102: Invalid group name
API Endpoint 2: Add Numbers to Group
Returns: 100 for success
Error Codes:
-
101: Invalid user
-
102: Invalid group ID
-
103: Invalid contact(s)
7. Can I send SMS to multiple groups at once?
Yes. While composing your message, simply:
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Select one or more groups.
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You can also deselect or remove groups on the fly.
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The message will be sent to all unique numbers across those groups.
8. Can I remove or update groups later?
Absolutely. You can:
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Rename groups
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Delete groups you no longer use
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Remove individual numbers from a group
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Merge multiple groups into one
9. Can I schedule a Group SMS campaign?
Yes, the Group SMS feature supports scheduled sending. Just select your group(s), compose your message, and choose the date and time you want it delivered.
10. What kind of reports do I get?
You get:
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Group-wise delivery statistics
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Individual number-level delivery time
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Submitted vs delivered metrics
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Failed message diagnostics
These appear under the “Sent Items” tab with real-time updates.
11. What are some industries that use Group SMS effectively?
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🏫 Education (students, parents, teachers)
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🛍️ Retail chains (VIP customers, subscribers)
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🏥 Healthcare (patients, walk-ins)
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📦 Logistics (drivers, dispatchers)
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🧘 Wellness centers (members, trainers)
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🕌 Religious organizations (devotees, donors)
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🏨 Hospitality (guests, event staff)
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🛒 E-commerce (buyers, promoters)
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🎬 Entertainment (viewers, ticket holders)
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🏛️ Political campaigns (volunteers, coordinators)
12. Can I import my CRM contact list?
Yes. You can:
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Export contacts from your CRM in CSV/Excel format and upload them to a group
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Or, automate the process using our Group API
13. Can I personalize messages using group data?
While Group SMS works on numbers, for personalization you can:
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Use custom tags like name or ID if added during import
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Enable dynamic fields during message setup (coming soon in advanced mode)
14. What happens if a number is in more than one group?
Our system automatically removes duplicate numbers when sending SMS to multiple groups, ensuring no user receives multiple identical messages in a single campaign.
15. Can I share group access with my team?
Yes. Team members with the appropriate login credentials and role permissions can view, edit, and send to groups. Admin users can assign access rights.
16. Do I need technical knowledge to use Group SMS?
No. Our interface is user-friendly:
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Create/edit groups easily
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Upload contacts with a few clicks
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API is optional and only needed for automation.
17. Can I preview a message before sending it to a group?
Yes, during campaign setup, you’ll get a full preview screen:
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Message content
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Group name(s)
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Estimated recipients count
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Scheduling time
18. Will I get SMS delivery status per group?
Yes, group-based and individual number-level reports are available:
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Delivered
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Failed
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Pending
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Timestamp of each event
19. What is the maximum number of contacts per group?
There’s technically no limit, but very large groups (100k+) may be split into batches internally to ensure delivery quality.
20. Is there a mobile app to manage groups?
Currently, Group SMS is available through the web dashboard. Mobile access is in development.
21. Can I delete a contact from all groups?
You need to remove the contact from each group manually unless automation is implemented via API.
22. Is there an extra cost for using the Group feature?
No. Group creation, storage, and sending are included in your bulk SMS plan.
23. What if I get an API error?
Refer to these codes:
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101: Invalid user (check token)
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102: Invalid group name or ID
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103: Invalid mobile number(s)
Ensure URL encoding is used for names with spaces and that your token is valid.
24. How is Group SMS better than Excel upload every time?
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Save time by reusing stored groups
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Reduce manual effort
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Avoid uploading duplicate numbers
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Enable automation through APIs
25. Can I try a test group before full usage?
Yes. Create a test group with internal numbers, send test messages, and review the delivery report to validate settings.
26. Can I see a sample use flow?
Yes. Here’s a typical workflow:
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Create Group (e.g., Diwali VIP List)
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Add Numbers (upload or API)
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Compose Message
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Select Group(s)
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Preview & Send
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View Reports in Sent Items
27. Can I combine two or more groups into one?
Yes. Use the “Merge Groups” option to combine groups. Duplicates will be filtered out automatically.
28. Can I export contacts from a group?
Yes, you can download group contacts in CSV format from the dashboard for review or migration.
29. Is the Group API free to use?
Yes, the Group API is included with your package and usage is unlimited within fair usage limits.
30. Who should use Group SMS?
Anyone managing segmented communication needs:
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Marketers
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School admins
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Support teams
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Developers
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HR teams
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Event planners
Need Help?
Contact our support team or request a one-on-one demo to set up your first group.