Illustration about Excel SMS Plugin
White-Label Add-In

A Ready-Built Excel Plugin, Branded to You

Plenty of your clients already run their contact lists and campaigns out of Excel. Instead of asking them to learn a new panel or building a spreadsheet integration yourself, license the Excel SMS plugin and point it at your own branded API endpoint. Your clients install it, see your brand in the ribbon, and send bulk SMS straight from the spreadsheet they already use, on top of the traffic they're already sending through you.

What the Ribbon Actually Does

Ribbon Function What It Does
Send SMS Send a single message directly from the spreadsheet.
Group SMS Send a bulk campaign straight from a column of numbers and messages.
Sent Report Track delivery status for messages already sent.
Check Balance See remaining account credit without leaving Excel.
Settings / Admin Manage login credentials and configuration.

Built for Reseller Distribution

Your Brand, Not Ours

  • Point the add-in at your own branded API endpoint before you distribute it.
  • Your clients connect through your platform, using your credentials, your branding.

Ready-Built, Not a Dev Project

  • A finished Excel-DNA (.xll) application, not a spec you have to build from scratch.
  • License it and start distributing, instead of scoping your own integration.

Credentials Handled Securely

  • Login credentials encrypted with Windows DPAPI under each user's own profile, not stored as plain text.
  • API traffic runs over HTTPS with TLS 1.2 or higher.

Straightforward for Your Clients

  • Runs on Windows 10 or 11, Excel 2013+ or Microsoft 365 (64-bit).
  • One-time install with administrator rights, then it's just a ribbon tab in Excel.

Want to offer this to your own clients?

Tell us about your reseller setup and branding, and we'll walk through licensing the plugin under your own name.

Talk to a Specialist

What Your Clients Can Actually Do With It

Payment Reminders

Send reminders straight from the billing spreadsheet they already keep.

Promotional Campaigns

Bulk-send a promotional list without touching a separate campaign tool.

Internal OTP Distribution

Push OTPs or internal codes to a managed list when a full API integration isn't needed.

Spreadsheet Campaigns

Anything already organized in Excel becomes a campaign in a few clicks.

FAQ

Frequently Asked Questions

Yes. The add-in can be pointed at your own branded API endpoint, so when your downstream clients install it and send SMS, they're connecting through your platform, not ours. Your name is what they see.

A native SMSGatewayCenter-style ribbon tab with five functions: Send SMS for individual messages, Group SMS for bulk campaigns straight from a spreadsheet column, Sent Report for delivery tracking, Check Balance for credit visibility, and Settings/Admin for configuration.

Windows 10 or 11, Excel 2013 or later (or Microsoft 365, 64-bit only), and .NET Framework 4.8. Installation needs administrator rights, a one-time step when first setting it up.

Credentials are encrypted using Windows DPAPI under the installing user's own profile, not stored as plain text, and the add-in connects to the API over HTTPS with TLS 1.2 or higher.

No. The add-in is a ready-built Excel-DNA (.xll) application. You license it, point it at your branded endpoint, and distribute it to your clients, instead of scoping and building a spreadsheet integration from scratch.

Payment reminders, promotional campaigns, OTP distribution, and any bulk send built from a contact list they already manage in Excel, without needing a separate desktop tool or asking a developer to write an integration.

Ready to license the plugin for your clients?

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Client Feedback

What Our Clients Say

Our clients run regulated, high-volume messaging infrastructure and prefer not to be named publicly. These testimonials are shared with permission while keeping commercially sensitive details confidential.

Excellent documentation, responsive technical support, and an enterprise-grade platform that scales as our business grows.
Engineering Manager, SaaS Provider Canada 5 million notifications per month Runs Messaging Platform Client since 2022
The platform has been reliable for business-critical messaging. Multi-connection support and detailed logging have made daily operations much easier.
Infrastructure Manager, Enterprise Messaging Provider Russia 15 million messages monthly Runs SMPP Client Client since 2019
We needed complete control over our messaging infrastructure instead of relying on a hosted provider. The platform has delivered excellent performance and reliability.
Solutions Architect, Software Company South Korea 99.99% service availability Runs Enterprise Messaging Platform Client since 2020
We evaluated several messaging platforms before selecting SMPP Center. The deployment flexibility and API capabilities matched our enterprise requirements.
VP of Engineering, Technology Company United States 20+ integrated applications Runs Enterprise SMS Gateway Client since 2020

Names and company details are withheld at our clients' request. This is common among telecom providers, SMS aggregators, fintech companies, and enterprises that consider their messaging infrastructure commercially sensitive.

LET US SET UP YOUR WHITE-LABEL EXCEL SMS PLUGIN

Tell us about your reseller setup and branding, and we will walk through licensing the Excel SMS plugin for your own downstream clients.

TALK TO A SPECIALIST