Automate transactional and mission-critical SMS notifications in minutes. REST & GraphQL APIs, 99.99% SLA, direct carrier routing, and full GDPR compliance.
Engineered from the ground up for developers, workflow automation, and enterprise security standards.
Direct tier-1 telecommunication carrier routing ensures sub-3-second SMS delivery with real-time delivery receipts (DLR).
Developer-friendly programmatic interfaces tailored for modern microservices and cloud-native application stacks.
Manage your entire fleet of dispatching SMS hardware and gateways with centralized diagnostics and real-time health alerts.
Three simple steps to fully automate SMS sending and device coordination in your tech stack.
Sign up in 30 seconds and create granular, scoped API keys from the secure customer console.
Use our lightweight SDKs (C#, TypeScript, Python, PHP) or direct REST/GraphQL HTTP endpoints.
curl -X POST https://api.smsport.app/v1/messages \
-H 'Authorization: Bearer YOUR_API_KEY' \
-H 'Content-Type: application/json' \
-d '{"to":"+14155552671","message":"Your verification code: 849201"}'Track delivery receipts (DLR) in real-time via resilient Webhooks and authenticated WebSocket streams.
Start with a no-card 30-day trial, then choose monthly credits with no rollover or automatic overage.
Use FOUNDING50. Limited to the first 100 customers.
Per sent message
Per received message
Per delivered webhook event
500 base credits plus any invitation bonus, no card required
Sent SMS = $0.0050 (10 credits), received SMS = $0.0025 (5 credits), webhook delivery = $0.0010 (2 credits).
For prototypes and small production workloads.
For growing messaging applications.
For high-volume teams with fair-use safeguards.
“SMS API integration took our team less than an afternoon. Delivery rates for 2FA one-time passwords rose to 99.9%.”
“GraphQL subscriptions give us immediate visibility into our entire SMS dispatch device fleet.”
Clear answers regarding technical integration, SMS throughput, security, and developer capabilities.
Integration via our REST or GraphQL API typically takes under an hour. We provide ready-to-use SDKs, comprehensive cURL snippets, and an interactive developer sandbox for immediate testing.
Average delivery latency is under 2.5 seconds. Through direct tier-1 telco carrier routing and intelligent failover paths, our delivery success rate exceeds 99.9%.
Yes. All message payloads and customer telemetry are processed strictly in ISO 27001-certified EU data centers (AWS eu-central-1 Frankfurt). We execute standard Data Processing Agreements (DPA) with enterprise customers.
Yes, we support alphanumeric Sender IDs (up to 11 characters, e.g. your company name). Sender ID registration and approval take place directly within the web console.
You can configure HMAC-signed Webhook endpoints for real-time delivery receipts (DLR) or open authenticated WebSocket streams for instant GraphQL event push notifications.
Start with a no-card 30-day Lite trial containing 500 credits plus any invitation bonus. Paid plans provide monthly credits with no rollover or automatic overage. Lite, Standard, and Business include different device, workspace, webhook, and OAuth limits. Optional 10,000-credit add-ons cost $5.99 per unit, allow quantities of 1-5, and expire after 90 days.