SMS Services

Build scalable transactional and verification SMS workflows with Antryk SMS Services. Send OTPs, alerts, notifications, and transactional messages globally with reliable delivery.

Antryk SMS Services helps you send reliable SMS messages worldwide with support for both Transactional SMS and Verification SMS (OTP) workflows.

Whether you are building authentication systems, customer notifications, alerts, or transactional communication pipelines, Antryk provides a scalable SMS infrastructure with global delivery support, low latency, delivery tracking, and developer-friendly APIs.

You can integrate SMS services easily using the official @antryk/sdk package.

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What are SMS Services?

SMS Services in Antryk allow developers and businesses to create dedicated SMS services for different communication workflows.

Each SMS service belongs to one of two categories:

• Transactional SMS Services
• Verification SMS Services

This separation helps you manage messaging infrastructure, templates, analytics, delivery tracking, and security independently for each use case.

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Transactional SMS Services

Transactional SMS Services are designed for sending operational and business-critical messages to users.

These messages are typically triggered by user actions or system events and are not promotional in nature.

Common Use Cases

• Order confirmations
• Shipping updates
• Appointment reminders
• Payment notifications
• Security alerts
• System notifications
• Account activity alerts

Features

• Global SMS delivery
• High deliverability
• Low latency routing
• Delivery tracking
• SMS logs and monitoring
• Unicode support
• Secure API authentication

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Verification SMS Services

Verification SMS Services are optimized for OTP-based authentication and identity verification flows.

These services simplify phone verification workflows while improving delivery reliability and user security.

Common Use Cases

• User signup verification
• Login OTP authentication
• Two-factor authentication (2FA)
• Password reset verification
• Secure transaction approval
• Device verification

Features

• OTP generation and verification
• Configurable OTP length
• SMS template support
• Secure verification workflows
• Delivery tracking
• OTP status monitoring
• Verification analytics

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Global SMS Infrastructure

Antryk SMS Services are built for scale and reliability.

Infrastructure Highlights

• Support for 160+ countries
• Carrier-optimized routing
• Fast delivery infrastructure
• High uptime architecture
• Delivery status tracking
• Real-time logging
• Multi-language SMS support

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SMS APIs & SDK

Antryk provides developer-friendly APIs and SDKs for sending SMS and handling verification workflows.

Send OTP

Learn how to send verification OTP messages.

Verify OTP

Verify user OTP codes securely.

Send Transactional SMS

Send transactional SMS notifications and alerts.

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Creating a New SMS Service

You can create new SMS services directly from your Antryk dashboard.

During service creation, you configure the service type and verification behavior depending on your use case.

Service Creation Workflow

1. Open the SMS Services dashboard
2. Click Create SMS Service
3. Enter a Service Name
4. Select the Service Type
   • Transactional
   • Verification
5. If you select Verification
   • Choose an SMS template from available templates
   • Configure OTP settings
6. Click Create SMS Service

Supported Configuration Options

Configuration	Description
Service Name	Internal name for identifying the SMS service
Service Type	Transactional or Verification
SMS Template	Template used for OTP messages
OTP Length	Length of generated verification code

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Service Deployment Form

Verificational SMS

Transactional SMS

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SMS Services Listing Page

All created SMS services are displayed inside the SMS Services dashboard.

The listing page helps teams monitor service health, delivery performance, and overall SMS activity.

Information Displayed

Each service row displays:

Column	Description
Service Name	Name of the SMS service
Type	Transactional or Verification
Status	Current service status
Created At	Service creation timestamp
Total Sent	Total SMS messages sent
Total Delivered	Successfully delivered messages

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SMS Services Dashboard

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Verification SMS Service

Verification services include specialized workflows for OTP generation and verification management.

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Verification Service Overview

The overview page provides essential information about your verification service.

Overview Information

Field	Description
Service Name	Name of the verification service
Type	Verification
Created At	Service creation timestamp
OTP Length	Configured OTP digit length

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Verification SMS Logs

The SMS logs section displays all OTP requests and verification activity.

Log Information

Column	Description
Phone Number	Recipient phone number
Message	SMS content preview
Timestamp	SMS delivery timestamp
Actions	View message details

Clicking the View action opens complete SMS details for debugging and verification auditing.

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The settings page allows administrators to update verification-related configurations.

Editable Settings

• Service name
• OTP template
• OTP length

These settings help teams customize verification flows without redeploying infrastructure.

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Transactional SMS Service

Transactional services are designed for operational messaging and notification delivery.

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Transactional Service Overview

The overview page provides high-level service information and delivery metrics.

Overview Information

Field	Description
Service Name	Name of the transactional service
Type	Transactional
Created At	Service creation timestamp

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Transactional SMS Logs

Transactional SMS logs help teams monitor message delivery and operational notifications.

Log Information

Column	Description
Phone Number	Recipient number
Message	SMS content preview
Timestamp	Delivery timestamp
Actions	View full message

Administrators can inspect individual SMS records for auditing and troubleshooting.

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Transactional Service Settings

Transactional services include configurable settings for operational management.

Editable Settings

• Service name

This allows teams to manage services cleanly across different environments and workflows.

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Delivery Tracking & Monitoring

Antryk provides delivery visibility and monitoring capabilities across all SMS services.

Supported Tracking Features

• Sent status
• Delivery status
• Failure tracking
• SMS logs
• Timestamp tracking
• Message inspection
• Delivery analytics

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Security & Reliability

Antryk SMS infrastructure is designed with security and reliability in mind.

Security Features

• Secure API authentication
• OTP verification protection
• Encrypted transport
• Request validation
• Abuse protection
• Template-based verification workflows

Reliability Features

• Carrier-optimized routing
• Global redundancy
• Delivery retries
• High availability infrastructure
• Real-time logging

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SDK & Integration

Developers can integrate SMS workflows using the official SDK.

Supported Features in SDK

• Send transactional SMS
• Send OTP
• Verify OTP
• Delivery handling
• Typed error handling
• Timeout management

Use the official SDK package for implementation guidance:

@antryk/sdk on npm

Official TypeScript SDK for Storage, Email, and SMS services.

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Best Practices

Transactional SMS

• Keep messages concise
• Send operational messages only
• Monitor delivery rates
• Avoid duplicate notifications
• Use meaningful service names

Verification SMS

• Use short OTP expiration windows
• Configure secure OTP lengths
• Use trusted templates
• Monitor failed verification attempts
• Enable verification logging

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Conclusion

Antryk SMS Services provides a complete infrastructure for building secure verification systems and scalable transactional messaging workflows.

With dedicated service types, delivery monitoring, global infrastructure, and developer-friendly APIs, teams can build reliable SMS-powered applications quickly and securely.