Global SMS delivery with 99.9% uptime and real-time analytics.
99.8%
Delivery Rate
<2.1s
Global Latency
800+
Carrier Connections
10k/sec
Throttling SLA
The SMSLY routing core is designed for high-throughput, low-latency delivery. Every SMS request enters an event-driven queue powered by Apache Kafka, from which it is consumed by our Smart Routing Engine. The engine performs real-time lookup against global carrier routing tables and latency logs, translating the payload into SMPP frames and choosing the optimal route from 800+ carrier paths. This keeps global latency under 2.1 seconds while sustaining peak bursts of 10,000 messages per second.
Maintaining sub-second delivery is a continuous optimization challenge. SMSLY maintains direct tier-1 carrier connections in major markets to bypass regional aggregators. Active link monitoring continuously sends probe messages to measure network latency and carrier queue depths. By actively managing connection pools and keeping session round-trips to a minimum, SMSLY ensures transactional alerts bypass carrier queues and reach user devices instantly.
Carrier degradation can occur without warning. When a primary route fails to return a delivery receipt (DLR) or signals congestion (e.g., error codes like 30003 or 30005), SMSLY's adaptive retry mechanism instantly intercepts the message. It falls back to a secondary, pre-warmed connection in under 150 milliseconds. This dual-route redundancy keeps your delivery rate above 99.8%, completely isolating your applications from carrier network issues.
Global SMS compliance is highly fragmented, with strict opt-in rules, sender ID registrations, and content filters that vary by nation. The SMSLY Regulatory Shield automatically applies formatting, filters spam keywords, checks global Do-Not-Call (DNC) lists, and manages user opt-outs (STOP/UNSUBSCRIBE) before a message is sent. This prevents costly compliance violations of TCPA, GDPR, and local telecommunication authorities.
Enterprise campaigns require massive volume paired with localized brand presence. SMSLY makes it simple to provision toll-free numbers, local 10DLCs, and high-throughput short codes via API in seconds. Backed by direct integrations with the Campaign Registry (TCR), we handle brand registration and campaign vetting automatically, giving you the high throughput, localized delivery, and dedicated support your global operation demands.
Every feature designed for reliability at scale. No compromises.
Real-time path optimization across 800+ global carriers to bypass network congestion.
Send and receive messages with local numbers, short codes, and toll-free numbers globally.
Silent fallback to alternative carrier routes in under 150ms upon carrier delivery failure.
Automatic formatting and local regulation checking (TCPA, GDPR, CTIA) for every message sent.
Prevent traffic spikes from flooding downstream carriers with adaptive rate limiting.
Send complex character sets, emojis, and long multi-part text messages seamlessly.
Detailed webhook notifications for transit, carrier queue, handset delivery, and fail states.
Automatically shorten links and track click-through rates directly within the analytics dashboard.
Use alpha-numeric sender identification in supported countries to boost brand recognition.
Direct integration with TCR for fast, compliant high-throughput message approval.
Drop-in SDKs for every major language. One API call to get started.
Send instant purchase confirmations with order details, tracking links, and estimated delivery times.
Reduce no-shows by sending automated reminders 24h and 2h before scheduled appointments.
Alert users about password changes, login attempts, billing updates, and account activity in real-time.
Keep customers informed at every stage — picked, packed, shipped, out for delivery, delivered.
Run promotional SMS campaigns with personalization, scheduling, and opt-out management built in.
Send time-critical notifications to employees, students, or citizens during urgent situations.
Sign up, create a project, and generate your API credentials from the SMSLY dashboard in under 2 minutes.
Make a simple REST API call with the recipient number, your sender ID, and the message body. One HTTP request is all it takes.
Configure webhook callbacks to receive real-time delivery status updates, or poll the status endpoint for batch reports.
Send hundreds of messages per second with automatic queuing and rate limiting. Add throughput as you grow.
SOC 2 Compliant
Audited annually
Encryption at Rest
AES-256
99.95% Uptime SLA
Guaranteed
Multi-Region
3 regions active
Build a complete messaging stack with products designed to work together.
Start with our free tier — no credit card required. Scale to millions of messages with enterprise support, custom SLAs, and dedicated infrastructure.
Free tier includes 1,000 emails/month. No credit card required. Enterprise plans include dedicated IPs, custom SLAs, and 24/7 support.