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SaaS & Platforms

API-Driven Communication for Platforms

Automate onboarding flows, billing alerts, and security OTPs.

Engineered for Developers.

Stop wrestling with complex telecom protocols. We abstract away the carrier-level routing so your engineering team can focus on building features, not debugging message delivery.

RESTful API & Webhooks

Trigger multi-channel alerts (SMS, WhatsApp, RCS, Voice) from a single endpoint. Receive instant webhook callbacks for delivery receipts, read statuses, and inbound user replies to synchronize state across your platform.

  • Single integration point
  • Real-time DLR webhooks
  • Comprehensive SDKs (Node, Python, Go)

Account Anomaly & 2FA

Secure your user accounts. Easily trigger our pre-built 2FA API for logins, password resets, or high-risk actions. The system automatically handles fallback routing (e.g., WhatsApp to SMS to Voice) if a channel fails.

  • Intelligent channel fallback
  • Fraud intelligence and number scrubbing
  • Sub-second global latency

Automated Billing & Dunning

Reduce involuntary churn. When a credit card fails, automate a dunning sequence via WhatsApp or SMS containing a direct, secure link for the user to update their payment methods before their subscription is paused.

  • Stripe & Chargebee integration
  • Automated sequence scheduling
  • Lower churn metrics
Developer First

Real-Time Webhook Engine.

api-gateway-prod
Waiting for events... [Connected]
{
"event": "user.signup",
"timestamp": "2026-06-10T14:32:01Z",
"data": {
"userId": "usr_9481jnxz",
"plan": "enterprise_tier",
"status": "active"
}
},
{
"event": "webhook.trigger",
"endpoint": "https://api.smsdekho.com/v2/hook",
"status": 200,
"latency_ms": 14
}
~

The Platform User Lifecycle

Build programmatic communication flows that onboard, secure, and retain your software users automatically.

SaaS Journey Map
01
Cloud API

Developer API Integration

Trigger secure platform alerts effortlessly with our simple REST payload.

02
Automated SMS

Account Anomaly Alerts

Instantly notify users of unrecognized logins or billing failure events.

03
RCS Messaging

Upsell Campaigns

Deploy rich media feature announcements directly to free-tier users.

Advanced Developer Tools

Explore the integrations designed specifically for modern engineering teams and DevOps.

System Outage Alerts

Integrate with PagerDuty or Datadog to instantly blast priority SMS or automated voice calls to your on-call engineering team during critical downtime.

  • PagerDuty / Datadog Webhooks
  • Out-of-band communication

Idempotency Keys

Never accidentally spam your users. Our API strictly enforces idempotency, guaranteeing that network retries never result in duplicate messages being sent.

  • Safe retry mechanisms
  • Duplicate prevention logic

Sub-account Provisioning

If you run a multi-tenant platform, use our API to automatically provision isolated sub-accounts for your clients, keeping billing and data separate.

  • Multi-tenant architecture
  • Programmatic key generation

Dynamic Rate Limiting

Protect your platform budget. Configure dynamic rate-limits per user or per IP to prevent abusive spikes in API usage from rogue clients.

  • Budget guardrails
  • Fraud mitigation

Product Led Growth (PLG)

Automatically send "Aha! moment" milestone notifications when a user completes a key action, driving engagement and conversion to paid tiers.

  • Milestone drip campaigns
  • Higher trial conversion

Log Streaming

Don't rely on manual dashboards. Export real-time message delivery logs and webhook data directly to your AWS S3 bucket or Snowflake data warehouse.

  • Big data ingestion
  • Custom analytics generation

Build Fast. Scale Infinitely.

Join engineering teams at top SaaS unicorns who rely on our APIs to handle millions of transactions with zero downtime.