SMS softswitch as a service
Route SMS traffic. Add Voice OTP. Keep full control.
SMSFLARE is a dedicated SMS softswitch hosted for your business. Connect providers and applications, define routing rules and deliver verification codes by SMS or automated voice calls.
Live traffic
Client application
HTTP API / SMPP
Customer traffic
Multiple connections
Routing engine
Evaluating routes
SMS provider
Primary route
Voice OTP
Fallback active
2.4M
Processed
99.2%
Delivery
84ms
Latency
SMPP & HTTP
Flexible connectivity for providers and applications
Dedicated
An isolated server instance for your traffic
SMS + Voice
One delivery workflow with Voice OTP fallback
24/7
Traffic visibility and operational monitoring
One platform, clear control
The operational layer between your applications and messaging providers
Centralize connections, routing decisions and delivery data without building and maintaining a telecom core from scratch.
Smart SMS routing
Route traffic by destination, provider, price, quality or custom business rules.
SMPP and HTTP connectivity
Connect upstream providers and customer applications through established messaging protocols.
Voice OTP delivery
Turn verification codes into automated calls and use voice as a primary route or SMS fallback.
Live traffic visibility
Inspect message flow, statuses, errors and provider performance from one operational view.
Controlled access
Separate accounts, credentials and permissions for safer day-to-day operations.
Dedicated SaaS instance
Run SMSFLARE on an isolated managed server sized for your traffic and integration needs.
How it works
From API request to the best available delivery route
SMSFLARE receives traffic, applies your routing policy and sends it through the selected SMS or Voice OTP path.
Explore the platformConnect
Integrate your application with SMSFLARE using SMPP or HTTP API.
Route
The softswitch evaluates destination, priority, cost and provider availability.
Deliver
Send the code by SMS, automated voice call or a configured fallback sequence.
Measure
Track delivery results and use the data to improve routing decisions.
Voice fallback policy
SMS attempt
Primary route
Delivery timeout
15 seconds
Voice OTP call
Fallback route
Voice OTP
Give critical verification traffic a second delivery path
When SMS is delayed, unavailable or too costly, SMSFLARE can deliver the verification code in an automated voice call. Configure voice as a fallback or a dedicated route.
SMS-to-voice conversion
Configurable fallback logic
Multi-language voice prompts
Delivery status and call reporting
Built for messaging operations
A practical fit for teams that manage real telecom traffic
Messaging providers
Add a managed routing and customer delivery layer without developing a softswitch internally.
SaaS and fintech platforms
Build resilient OTP delivery across SMS and voice for authentication workflows.
Enterprises
Centralize multiple messaging providers, policies and delivery reports in one system.
Tell us about your traffic and routing requirements
We will help define the right SMSFLARE server setup, provider connections and Voice OTP workflow.