Jacob Morrow
Updated: 2025-09-17
Enhancing business security and user conversion are two integral goals of any type of company. Security, especially, can be a huge challenge for enterprises when they are handling hundreds of thousands of users.
But the best part is that studies have proven that multi-factor authentication, including the implementation of SMS verification code
Results in:
- Blocking 100% of automated bot attacks
- 96% of bulk phishing attacks
- 76% of targeted attacks
These statistics alone prove the importance of the ability to send an SMS verification code.
So, let's explore how businesses can strike the perfect balance in ensuring optimum security while instantly sending SMS globally.
Core Challenges and Value of Enterprise SMS Verification Code
The goal of the SMS verification code is to act as one-time passwords (OTPs) and protect user accounts. They can be used for a wide range of functions, including login authentication, purchases, password reset, etc.
Why Is Sending SMS Verification Codes Critical?
Most of the organizations and enterprises prefer to send verification codes to phones via SMS because this process is fast and user-friendly. Moreover, a simple SMS code builds trust between customers and enterprises by providing quick and secure access to different tools and apps.
In addition to high security , SMS verification codes are also useful because most people are familiar with this process. Users don't have to install any additional app to receive the code, so enterprises can have a global reach via SMS. Businesses can also implement SMS OTP at a highly affordable rate.
Challenges Faced by Enterprises in Sending SMS Verification Codes
The ability to send SMS verification codes is no doubt very popular among all types of businesses. But enterprises face significant challenges in practical implementation:
- Deliverability: SMS delivery is not always guaranteed. Issues like network delays and carrier restrictions are quite common, especially when you are sending SMS in bulk.
- Scalability: Global enterprises wanting to send millions of SMS codes daily with a high deliverability rate face a major challenge, especially if they don't pick the right bulk SMS service provider.
- Technical Infrastructure: The enterprise must have the technical infrastructure to handle massive traffic spikes, especially for marketing campaigns.
Source:Revesoft
- Security: SMS codes are meant to add a layer of security. However, SMS verification codes are vulnerable to issues like smishing and spoofing.
- User Experience: SMS verification codes are supposed to be quick. If there's any delay in them, it can end up frustrating the user and adversely affecting their experience.
Source: Anpoimages
How to Choose the Right Tool to Send SMS Verification Code?
Considering the numerous challenges involved in sending SMS codes, it becomes more important than ever to pick the right tool to send SMS verification codes.
Key Evaluation Criteria for Technical Decision-Makers
Enterprises need to look beyond just code to select the right tool to send a verification code to phone numbers. The most important factors are:
- Delivery Reliability: The service should guarantee high SMS delivery rates with minimum delay because a delayed SMS verification code can have a poor impact on your customer.
- Security Standards: Choose an SMS business solution with high security standards. It should have features like encryption, fraud detection, and compliance with standards like GDPR.
- Global Coverage: Enterprises have a user base located throughout the world. So, they must have a solution that can reliably send SMS verification codes across multiple regions and carriers without delivery issues.
- Analytics: An SMS sending tool with a unified interface that can send codes as well as provide real-time tracking is useful for enterprises to quickly identify any issues.
- Pricing Model: Large-sized businesses often send millions of SMS verification codes on a daily basis. So, such a business should go for a tool with a usage-based pricing model, so they only have to pay for what they are actually using.
Source:Textgrid
Why EngageLab Is the Ideal Choice for Enterprise SMS Verification Code Delivery?
EngageLab is a reliable tool to send SMS verification codes at scale with high delivery rates. It is the perfect choice for enterprises due to these key features:
- One-Stop SMS Service: EngageLab is a unified platform for SMS OTP delivery, system notifications, and messages related to marketing and transactions.
- Security: Enterprises can use EngageLab to send verification codes to phone numbers in seconds with high-level security. It is perfect for sensitive use cases like registration, password recovery, and authentication.
- Global Delivery: EngageLab has direct connections with carriers in 200+ countries and territories. It ensures high delivery rates worldwide. Compliance with regulations like GDPR and CCPA also keeps the SMS code secure and legally compliant.
- Intelligent Delivery System: EngageLab is powered by intelligent delivery strategies to optimize the process of sending SMS verification codes. It also offers real-time monitoring and high concurrency support.
- Stability: Powered by a strong IT infrastructure, EngageLab can deliver SMS verification codes in under 5 seconds with a 99% delivery rate. Multi-channel auto-switching technology ensures a quick and stable SMS delivery service.
- Two-Way Messaging: Most of the SMS short code service providers do not support two-way messaging. However, you can use this feature in EngageLab to receive replies from customers and ensure higher engagement.
- Support: EngageLab's quick and reliable customer support can help you set up SMS campaigns. Moreover, you can get help in regards to any issues you might face while using the tool.
Source:Openmarket
Overall, EngageLab stands out as the top tool to send SMS verification codes because it offers high security, reliability, global coverage to serve worldwide users, and reliable support. All of these elements work together to help enterprises execute scalable SMS verification campaigns.
Get Started Quickly: How to Send SMS Verification Codes with EngageLab
Follow these four simple steps to send SMS verification codes with EngageLab:
1 Create Your Account and Sign in
The first step is to have an account on EngageLab, so you can access its dashboard. If you don't have an account, create a new one using the sign-up option or log in through your Google, Facebook, Apple, or GitHub account.
Once signed in, you have to configure your channel, which is SMS in this case.
2 Quickly Integrate SDK or Call API
There are two major ways of using the EngageLab's SMS service:
Integrating EngageLab through software development kits (SDKs) into apps or websites. This integration is supported across multiple platforms, including Flutter, React Native, Cordova, Coco2d-x, and Unity3D.
Alternatively, enterprises can call EngageLab's unified API to connect the systems. You can follow this guide to learn more about direct backend calls and how to set up the API's endpoint and authentication.
These integration and API calling features are useful to send verification codes to phones directly from your app or backend automation.
3 Invoke Sending Services in Business Scenarios
You can trigger SMS delivery service in different scenarios, such as account registration, sign-in verification, password reset, or payment confirmation. The presence of custom fields can help you personalize your SMS code messages, e.g., username and ID.
For instance, here' an SMS verification code template:
params: {code: 137529, username: Abdullah }
Once triggered, EngageLab uses intelligent strategies, including fallback templates and multi-channel routing to ensure quick and reliable delivery.
4 Verify and Review Data Reports
EngageLab's SMS service has a dedicated Analytics section where you can access real-time delivery reports and key metrics. It helps you adjust your SMS sending strategies based on analytics.
Moreover, you can use the data to refine your SMS verification code template and trigger thresholds to maximize reliability.
Beyond Sending SMS Verification Codes
EngageLab is much more than just sending SMS verification codes. It is a comprehensive marketing solution that provides a lot of value to enterprises with these features:
- Transparent Pricing: With a usage-based pricing model, EngageLab ensures real-time billing to keep even large-scale campaigns affordable.
- Omnichannel Platform: In addition to SMS, enterprises can also use EngageLab to reach users via different channels like email, app/web push notifications, and WhatsApp.
- Robust Scalability: EngageLab operates globally, and its modern infrastructure is capable of handling high concurrency to reach people around the world.
- Automated Marketing Campaigns: Sending SMS codes is one aspect of a business. EngageLab supports all types and sizes of businesses in running efficient marketing campaigns through its EngageLab Marketing Automation platform.
- Professional Customer Support: Whether you want to integrate SDKs or need help in calling APIs, you can get dedicated technical onboarding and guidance from the professional customer support of EngageLab.
Conclusion
Sending SMS verification codes to thousands of users might have seemed difficult to you at first. But now that you are familiar with EngageLab, you should have no issue in using this secure and scalable platform to send SMS verification codes quickly and efficiently.
By choosing EngageLab, enterprises can fulfill their present needs and also make sure the services are scalable enough to support future requirements, even if it includes sending SMS codes daily to millions of users.
