Top OTP service providers help businesses securely verify users using one-time passwords sent via SMS, voice, or WhatsApp.
This guide compares the best OTP service providers based on delivery speed, API integration, security, pricing, and global reach. SMSCountry stands out for global OTP delivery.
List of Top OTP Service Providers
- SMSCountry
- Telesign
- 2Factor
- MSG91
- Exotel
- Vianett
- Staticking.com
To create this list, I explored each software and also analysed what users said about each software on G2, Capterra and other review sites. I assessed each vendor based on:
- The ease of integration,
- Customer support
- Pricing
- Speed and deliverability
- Security, and
- Global availability of their SMS API.
So that you can make an informed choice, delight your customers and grow your revenue.
A slow, unreliable and unsecured SMS OTP service provider will frustrate your customers and app/software users.
Imagine losing thousands of dollars because customers can’t receive OTP verification codes when paying online or accessing your application.
Whether you’re the CEO, CISO, CTO, IT lead, procurement officer or
developer in your company, this guide is for you.
Let’s get to it!
| Gaurav turned to SMSCountry SMS API for fast, reliable OTP delivery—and saw instant results. Discover how SMSCountry made all the difference. Read the full story. |
But before we dive in, let’s tackle this burning question…
What is an SMS OTP service provider?
An SMS OTP service provideris a platform that enables businesses to send one-time passwords (OTPs) to users for identity verification.
OTP verification is commonly used for:
- User login authentication
- Account signup verification
- Password resets
- Transaction authorization
- Two-factor authentication (2FA)
OTPs are typically 4–6 digit codes that expire after a short time, making them highly secure.
Think of an OTP service provider as a security guard for your app or website, ensuring the person trying to log in or make a payment is really who they say they are.
What does an SMS OTP service provider do?
An SMS OTP service provider performs three core functions
- Generates OTPs to users instantly and securely
- Delivers OTPs via SMS, voice calls, or whatsapp
- Validates OTPs in the backend to ensure fast delivery, high reliability, and security, often via SMS APIs that integrate with your app, website, or software.
Key technical capabilities include:
- SMS OTP API integration
- High delivery success rate
- Low latency delivery
- Encryption and compliance support
- Failover routing for reliability
Now, let’s discuss each OTP service provider individually so you can make an informed choice.
SMSCountry- Best OTP Verification Provider for Businesses of all Sizes
Let’s start with our product, SMSCountry. SMSCountry has been one of the best OTP SMS service providers globally since 2003, for the reasons I’ll show you shortly.
SMSCountry SMS API services deliver SMS OTPs to 219 countries with 550+ mobile network operators.
Also, SMSCountry provides the best SMS gateway API for your OTP delivery. Here’s one reason why this is true — the speed of OTP SMS delivery.
Whether your customers or app users need the OTP to complete an online purchase or quickly access their accounts, it all boils down to time. The longer it takes, the more frustrated they become with your brand.
With this OTP verification service provider, you can deliver OTPs in less than 10 seconds to customers in 219 countries.
In addition to that, SMSCountry enables you to send your OTPs with unique sender IDs and verified tags. This provides better recognition and brand trust among your customers.
SMSCountry API is easy to integrate with your system or application. We have documentation you can work with to understand how to integrate our API easily. Also, if you ever need our team to give you a head, we’ll work until you’re completely set up at no extra cost.
Finally, if you operate or serve customers in India, the SMSCounty team will help you with the DLT registration process from start to finish. This will ensure that you start firing OTPs as soon as possible.
Check out our library of DLT guides >>DLT registration process.
Why SMSCountry Is a Top Choice
- OTP delivery in under 10 seconds
- Coverage in 219+ countries
- Access to 550+ mobile networks
- Supports SMS OTP, Voice OTP, and WhatsApp OTP
- Easy-to-integrate SMS API
- DLT compliance support for India
| Use SMSCountry’s dev-friendly and secure SMS API to delight your customers with fast OTP. See how it works with a FREE demo. |
What are the pros of SMSCountry SMS OTP services?
- Hyper-fast delivery speed. The delivery of the OTPs is under 5 seconds
- 24/7 customer support with demos and a knowledge base.
- Desktop support for Windows, Mac and Linux.
- Supports 180+ countries.
- Pay-as-you-go pricing
With the PAYG pricing, you only pay for the OTP SMS you send. This makes using SMSCountry cost-effectively.
See how SMSCountry helped Gaurav fix the OTP issues he had using Twilio and Alibaba. Read his story of disappointment with Twilio and how SMSCountry SMS API saved the day.
What are the cons of SMSCountry SMS OTP services?
- Pricing is a bit high when compared to others
- There is no option to add team members from the dashboard
- SMSCountry, for now, offers limited third-party integrations
Best for
- SaaS platforms
- Fintech applications
- E-commerce websites
- Enterprises and startups
SMSCountry OTP customer testimonials
How much does it cost to use SMSCountry for OTP delivery?
SMSCountry offers custom pricing based on the country you want to send the SMS to. There’s no predefined pricing on the pricing page, the SMSCountry sales team work with you to determine a quote fit for your business needs.
Additionally, it also offers a pay-as-you-go scheme for OTP SMS with no hidden costs.
Consult the SMSCountry sales team for guidance, or check out the pricing page.
“No one would like to wait 5 or 10 minutes to get an OTP. Our users need their OTP on the spot. And we got this fast OTP delivery from SMSCountry SMS API”
– Gaurav Aggarwal, Kavya Digital Solutions
TeleSign – Best for High-Risk Applications
TeleSign is a well-known OTP company that focuses on 2-factor authentication services. Their prime area of focus is social media websites that allow users to have added security to their accounts.
They also offer patented phone-based verification and two-factor OTP authentication services. These services are undertaken using time-based OTPs that are either sent via SMS or voice messages.
We also found that TeleSign offers digital identity and programmable communication services that range from PhoneId, integrable voice calling, and rich communication services.
Features of Telesign
TeleSign focuses on security and verification. It offers a suite of tools to protect users from fraud, like the following:
- Call OTPs and SMS OTPs: Options for user verification with varying levels of protection.
- Multi-factor authentication: Enhances security for applications.
- Multiple delivery routes for OTPs: Ensures reliable and timely message delivery.
- Risk assessment tools: Designed to detect and prevent fraudulent activities.
With these features, TeleSign positions itself as a key player in combating online fraud and ensuring secure user experiences.
It’s either Telesign has some countries restricted in their service offering, or they still have some work to do with making it easy for you to signup for their services.
Pros of TeleSign
- More focus on 2-factor authentication
- Delivery is adequate
- Pricing is nominal
- Immediate response from the support team.
- Available in 230+ countries
Cons of TeleSign
- Number validation is a bit poor
- Pricing is not as flexible as advertised
- Some numbers and countries are not supported by the system despite them being on the list.
- Substantial delay in receiving OTPs.
- Free trials are difficult to get started.
Best for
- Financial services
- Social platforms
- Applications handling sensitive data
2Factor– Best OTP Service for Small Organizations
2Factor is a cloud messaging platform that is proficient in A2P messaging, whereas all their services and tech are developed in-house. In addition, 2Factor offers specialities in A2P SMS, 2-factor authentication, and APIs.
Find out the 10 Best SMS API Providers to Connect With Your Customers
Their OTP service is quite reliable and offers text-based and voice-based services. They also have an extensive reporting and analysis tool that allows users to adjust their campaigns.
Features of 2Factor
2Factor provides a range of features designed for secure communication:
- Voice OTP: Delivers OTPs through a phone call, offering an alternative to traditional SMS.
- Transactional SMS APIs: For sending important, time-sensitive messages.
- Promotional SMS APIs: Enables marketing and promotional messaging.
- Fail-over handling: Ensures messages are delivered by re-routing failed messages through backup operators, improving delivery success.
- Data privacy: 2Factor asserts that it does not resell customer data to third parties.
Pros of 2Factor
- Reliable OTP delivery
- A2P messaging.
- Pay per OTP delivery only.
- API for sending OTPs, transactional SMS and promotional SMS.
- Manage your DLT and reseller accounts from one dashboard.
Cons of 2Factor
- OTP delivery may take time
- The UI/UX of the web app is basic and simple.
- 2Factor is available for the Indian market only
- Insufficient documentation to seamlessly connect the user from the dashboard to the API.
- Low social media presence which makes it harder to find the brand despite its simplicity.
“We were frustrated with Twilio and Alibaba’s SMS API services until we found SMSCountry via a quick Google search. SMSCountry provides fast OTP SMS delivery and great customer support. Much recommended”
– Gaurav Aggarwal, Kavya Digital Solutions
Msg91– Best OTP Service for Marketing Teams
Msg91 was founded in 2008 and is the sister company of Walkover Technologies. They work in the sphere of cloud communication platform services.
Their primary focus is on messaging solutions and business communications. They mainly deal with SMS, voice, and all the other channels.
Their product SendOTP is their premium 2-factor authentication product. It offers OTP features, and with its service spanning over 800 networks and in 190 countries, they are an excellent choice for medium to large businesses.
Features of Msg91
Msg91 provides several communication channels beyond just SMS, including voice and WhatsApp. The platform also offers useful tools such as:
- Campaign management tool: For handling and optimizing marketing campaigns.
- Chatting tool: To manage real-time communication with users.
- OTP platform: A simplified dashboard that allows users to create widgets and templates for easy integration.
- API testing: Let you test and review the API before full implementation.
Pros of Msg91
- SendOTP does deliver on their promises
- Fast delivery speed
- Quick OTP approval
- Interface with dedicated dashboards for each channel and integration.
- Quick and easy sign-up to a trial account with a swift follow-up by the support team via email.
Cons of Msg91
- Pricing is a bit expensive
- The web app experience is not for everyone
- Historical reports are not available through the system. Moreover Msg91 only offers a pre-selected timeframe for viewing reports.
- Bulk plans only offer very high message volumes for low prices. You can get customized plans only after speaking to support staff. No tiers.
- The OTP widget requires expert technical know-how.
Best for
- Marketing teams
- Growth-focused startups
- Developers needing flexible APIs
Exotel – Best OTP Service Large Enterprises
Exotel offers cloud telephony services at an enterprise level. Their product, nOTPTM, includes their OTP service.
This includes 2-factor authentication, passwordless logins, resetting of passwords, and spam prevention. They also allow users to authenticate and verify their transactions and logins without the need for third parties.
Exotel is widely spread over India and Southeast Asia. You can check their OTP website for India to get prices for bulk messaging from India to anywhere in the world.
Features of Exotel
Exotel provides a range of services across WhatsApp, SMS, and voice channels. Its key features include:
- Integrations: connect with various platforms for smoother communication.
- Dedicated OTP services: for user verification.
- Reporting dashboard: for insights with conversational AI for better customer interactions.
One of their key products, ExoVerify, offers multiple OTP options:
- nOTP: Verifies users through Exotel’s SDK, intercepting and rejecting a call from Exotel’s servers to the user’s number.
- SMS OTP: Verifies users through a code entered by the user.
- WhatsApp OTP: An additional option for verifying users via Whats
Pros of Exotel
- Spread over Asia with extensive reach
- Delivery speed
- Quick response from the Support team guiding users to knowledgebase. Exotel is also open to new feature requests.
- Dedicated application for OTPs.
- Clean and intuitive UI/UX.
Cons of Exotel
- Customer support needs improvement
- No global reach
- Support team has designated timelines for the severity of each case. If you want something resolved quickly, you may have to wait.
- Pricier option for SMS OTPs.
- The application does not provide a lot of customization.
Best for
- Large enterprises
- Call-center driven businesses
- High-volume OTP requirements
“No one would like to wait 5 or 10 minutes to get an OTP. Our users need their OTP on the spot. And we got this fast OTP delivery from SMSCountry SMS API”
– Gaurav Aggarwal, Kavya Digital Solutions
ViaNett – Budget-Friendly Global OTP Provider
ViaNett is one of the most popular SMS gateways that facilitates your business to send high-quality SMS gateway services.
Using their service, you can send your OTPs globally.
ViaNett also offers additional services such as bulk SMS, SMS billing, HLR-lookup, and 2-way communication.
Also read: The 4 Best SMS Marketing Software For Small Businesses
Pros of ViaNett:
- OTPs can be sent globally
- Pricing is pocket-friendly
Cons of ViaNett:
- OTP delivery can be unreliable
- Customer support needs improvement.
Best for
- Cost-sensitive businesses
- International user bases
Staticking.com– Affordable OTP Service for Startups
Based in Delhi, Staticking.com is how their customers refer to them.
They offer various services, including OTP.
Features of StaticKing
Static King provides a variety of services, including websites, SEO, hosting, and SMS solutions. Their bulk SMS services offer different messaging needs, such as:
- OTP: For secure user verification.
- Promotional SMS: For marketing and promotions.
- Transactional SMS: For time-sensitive notifications.
Static King offers three types of OTP services:
- SMS OTP: Traditional OTP delivery via SMS.
- Call OTP: Verifies users through a phone call with an OTP.
- Missed call OTP: Verifies users through a missed call-based OTP system.
Pros of Static King
- Pricing is pocket-friendly
- Can access all API keys from the dashboard.
- OTPs are delivered in the stipulated time
- Can view all support tickets and responses from within the dashboard.
Cons of Static King
- High downtime of the application
- Customer support needs improvement
- No dedicated OTP dashboard.
- Focused on the Indian market.
- Highly non-user-friendly UI/UX
Best for
- Early-stage startups
- Local applications
What features should I look for in an SMS OTP service provider?
Here are the nine features you should look out for in an SMS OTP provider:
- Delivery speed and reliability
- High OTP delivery success rates
- High-level security features
- Compliance with relevant regulations
- Two-factor authentication support
- Ease of API integration
- Customer support availability
- Transparent pricing
- Flexible billing options
Let’s treat each of them.
1. Delivery speed and reliability
Reliability measures the percentage of outgoing SMS OTP that reach their intended destination. On the other hand, delivery speed measures the time between sending and receiving the SMS OTP. Both metrics offer valuable information on the deliverability of SMS OTP. Most OTP websites boast under 10 seconds delivery speed.
2. High OTP delivery success rates
High delivery rates ensure your customers receive SMS OTP as soon as possible. Technically a 100% delivery rate is unachievable. Look for an OTP site that offers delivery rates as close to 99% as possible.
3. High-level security features
Security features like single-time or time-limited use give SMS OTPs an edge over email authentication. SMS OTPs also give you an additional layer of security when used with passwords.
4. Compliance with relevant regulations
Choosing SMS providers that mind compliance helps you abide by the laws of the land. Refer to your local regulatory body to learn about the general laws and regulations. Then, ask your SMS provider how they apply them.
5. Two-factor authentication support
2FA helps you secure your accounts by adding an additional layer of verification. Single-step verification can be hacked into, so having 2FA via SMS OTP is essential.
6. Ease of API integration
OTPs are autogenerated. An OTP service provider that easily integrates with other applications makes life easy for you.
7. Customer support availability
You will not be able to figure it all out by yourself. You will need to connect with your SMS provider when you hit a roadblock. A 24/7 support structure, in addition to a knowledge base that you can refer to, is ideal when choosing an OTP SMS gateway.
8. Transparent pricing
While most OTP service providers’ pricing is displayed on their websites, some cost structures may be hidden, like recurring monthly costs. These can significantly impact your operational costs.
9. Flexible billing options
Compared to a fixed billing option, a flexible option lets you pay for the consumption. Look for pay-as-you-go options with SMS providers. This will drastically reduce your operational costs. Usually, the best OTP service providers will offer flexible payment options.
How to Choose the Best OTP Service Provider
Many voice and SMS OTP service providers in the market are ready to offer their services. But how do you find the right provider?
Here are a few things you can take into consideration before choosing a provider:
- OTP delivery speed should be quite fast ( < 10 seconds)
- Uptime should be close to or more than 97%
- A 24/7 customer service
- Number validation as a service should work efficiently
- Global presence of the provider
- Review API documentation
- Check pricing flexibility
- Test with a free demo if available
Also, do you want a domestic or international OTP service provider?
Ensure that you consider these when trying to choose your OTP service provider for your business and OTP needs.
Follow these steps.
Step 1: Determine your OTP requirements
Consider factors such as the number of OTP messages you need to send per month, the geographical coverage required. Also, see if you have any specific needs, such as message personalisation or scheduling when choosing an OTP service provider.
Step 2: Research potential providers
Look for providers that provide the nine features explained in the previous section. Sift through reviews, comb through company websites, and gather information about services, features, and customer feedback
Step 3: Check delivery rates
You want to choose a provider who consistently delivers your OTP without delays or failures. Look for OTP service providers with high delivery rates. Also, check their claims and see what measures they take to ensure message delivery.
Step 4: Evaluate security
Ensure your SMS service providers have robust security measures to protect your data and prevent unauthorized access. Look for features such as encryption, secure API connections, and compliance with data protection regulations when picking the best OTP company.
Step 5: Check customer support
Having reliable customer support can be crucial, especially when you encounter issues with SMS campaigns. Check your provider’s customer support through various channels like phone, email, or live chat. Look for providers that provide support during your business hours and have a reputation for helpful and prompt customer service.
Step 6: Evaluate pricing
Consider your budget and then evaluate the pricing models of all your shortlisted bulk SMS service providers. Before buying OTP services on their website, look for hidden pricing. Also, pay attention to factors such as message volume discounts, contract terms, and any limitations or restrictions that may affect your usage and cost.
Step 7: Check API integration capabilities
To autogenerate and automatically send OTPs, you use an API. Choose an OTP service provider with a dev-friendly API with comprehensive documentation.
Check out:
- The 7 Best Text Message Marketing Services in the USA
- 5 Best Bulk SMS Service Providers For Businesses in Saudi Arabia
- Best Bulk SMS Providers in the UAE
- The Best Text Message Service Providers in The UK
How do you choose the best SMS OTP service provider? A quick summary
| Speed | Uptime | Customer service | Number validation | Global presence | |
| SMSCountry | <5 secs | 99.9% | Email, web form, phone, knowledgebase | âś“ | 180+ countries |
| Telesign | N/A | N/A | Email, in-app support, knowledgebase, system status, | âś“ | 230 countries |
| 2Factor | 2-6 secs | N/A | Phone, email, API documentation | X | For the Indian market |
| Exotel | 3-8 secs | Frequent Outages reported | Phone, knowledgebase, web form, email | âś“ | 60+ countries |
| Vianett | N/A | N/A | Phone, email | N/A | N/A |
| Static King | 0-15 secs | 99.9% | Phone, tickets, email | X | For the Indian market |
Discover the best text messaging service for small businesses.
Secure your customers right away with our SMS OTP services
So there you have it!
7 of the best OTP verification service providers to delight your customers.
Have you decided on a vendor yet?
For a wide reach, fast and secure OTP delivery, and reliable support, choose SMSCountry.
Why?
If over 60,000 businesses like yours have trusted us with their OTP needs since 2003, you can be assured that you’ll get top-quality OTP services that will delight your customers.
Contact our team to schedule a FREE demo and learn more about our top OTP services.
You can also sign up for free and get started with SMSCountry today.
Frequently Asked Questions
SMS OTP is a 4-6 numeric or alphanumeric code with a single-use specific function for a particular session/authentication.Â
In today’s age, it is pretty normal to have two-factor authentication or even multi-factor authentication. It ensures an added layer of security and prevents fraud and security theft.Â
OTP was developed to serve the singular purpose of providing authentication and verifying users. It is used in quite a few businesses to maintain a secure and safe user flow.Â
OTP is usually sent via SMS and tends to expire after a certain amount of time, generally after 10 minutes.
So as a business, you need to ensure that your customers instantly receive their OTPs and can log in/authenticate smoothly. For this, you need to choose an OTP SMS service provider with the best services.Â
You can use an OTP service provider’s voice or SMS OTP verification service.
An SMS OTP service provider is any company or platform that helps you deliver OTPs to customers via SMS.Â
OTP service providers help businesses improve security by adding an extra layer of authentication to protect user accounts and sensitive information.Â
For Indian businesses, the top OTP providers include SMSCountry, 2Factor, Msg91, and Exotel. SMSCountry stands out with hyper-fast delivery, global coverage, and strong security, making it ideal for businesses of all sizes.
If speed matters most, SMSCountry is your go-to. With OTPs delivered in under 10 seconds across 60+ countries, you can ensure your users never wait, which directly improves conversion and trust.
Reliability is about consistency. SMSCountry maintains delivery rates close to 99%, with fallback routing to avoid failed OTPs. Providers like Msg91 and 2Factor are reliable too, but SMSCountry’s 19+ years of experience give it the edge.
SMSCountry is the best for fast delivery, global reach, pay-as-you-use pricing, and amazing support in English and Arabic. MSG91 is suitable for marketing-savvy teams and multiple channels. Twilio is flexible for developers and has a global API, while 2Factor is cost-effective compared to others, but is only for businesses in India.
SMSCountry and Msg91 are top performers with fast OTP delivery and multiple routing options to avoid delays.
SMSCountry, Msg91, Exotel, 2Factor, and TeleSign offer instant OTP delivery, usually within 5 to 10 seconds, making them perfect for high-volume operations.
SMSCountry offers a simple pay-as-you-use pricing plan, meaning you pay only for the OTPs you send. Other pay-as-you-go providers include 2Factor, Msg91, and Twilio, though terms and rates vary.
SMSCountry provides FREE credits to test their OTP delivery speed and integration. 2Factor and Msg91 also offer trial packs to experiment with features before committing.
Pricing depends on volume and destination. SMSCountry offers country-based rates and PAYG pricing, while 2Factor and Msg91 provide packs starting as low as INR 0.15–0.28 per OTP in India.
SMSCountry, Exotel, and Msg91 offer WhatsApp OTP services, which are ideal when users prefer app-based verification over SMS.
Yes, OTPs sent via SMS or voice do not require an internet connection. Only WhatsApp OTPs require a connection.
Integration is straightforward: sign up with a provider like SMSCountry, get API keys, follow the documentation, and embed the API in your app or website. Most providers offer SDKs and sample code.
SMSCountry provides REST APIs for sending OTPs via SMS or WhatsApp, making automation seamless and developer-friendly.
Sign up with a provider, integrate their API or SDK, set up OTP generation and validation logic, then test the flow. SMSCountry’s dashboard simplifies monitoring and analytics for this.
Yes, when you choose a provider like SMSCountry. OTPs are time-limited, one-time use, and can include encryption. They act as a second layer of protection alongside passwords.
SMSCountry and TeleSign support encrypted OTP delivery, ensuring messages cannot be intercepted during transmission.
Top providers like SMSCountry guarantee OTP delivery within 5–10 seconds. Check SLA commitments, primarily if your business relies on instant verification.
Use a trusted provider like SMSCountry, enable sender ID verification, and enforce secure API calls to prevent spoofing attempts.
While theoretically possible, using providers with encryption, secure APIs, and strict routing, such as SMSCountry, drastically reduces the risk.
SMSCountry, Twilio, and Msg91 are reliable options for Nigerian businesses requiring global and local coverage.
SMSCountry, Twilio, and Msg91 are reliable options for Nigerian businesses requiring global and local coverage.
SMSCountry, Twilio, and Exotel have good reach and compliance for the UAE market.
SMSCountry, Twilio, and TeleSign provide global OTP delivery, covering over 200 countries and multiple carriers.
Providers like SMSCountry, 2Factor, Msg91, and Exotel are DLT-compliant, ensuring you meet Indian telecom regulations.
SMSCountry allow OTPs in regional languages, enhancing clarity and user experience for diverse audiences.
SMSCountry excels at quick OTP delivery during checkout, reducing cart abandonment and boosting customer confidence.
SMSCountry and TeleSign are ideal, offering high security, 2FA, and compliance with financial regulations.
SMSCountry provides fast, secure OTP delivery suitable for banking apps and financial services.
SMSCountry ensures instant OTP delivery for ticket verification and event entry.
SMSCountry and 2Factor are reliable for sending appointment OTPs, reducing missed appointments.
Providers like SMSCountry offer wide coverage and compliance with regulations worldwide, helping businesses avoid legal headaches and ensure messages reach users anywhere.
Fintech, healthcare, e-commerce, government, and telecom sectors require high-level security. SMSCountry’s encrypted OTP delivery, 2FA, and compliance make it ideal for these industries.
By using multiple carrier routes, smart routing, and robust APIs. SMSCountry, for example, uses over 550 mobile network operators worldwide to guarantee fast and reliable OTP delivery.Â
An SMS OTP service provider offers benefits like easy implementation, widespread availability, and familiarity.
SMS delivery for OTP purposes is generally reliable. But expect occasional delays or failures due to network congestion.
An SMS OTP service provider automates this process. They should have a mechanism to send messages through alternate delivery routes or backup operators.Â
The level of customer support can vary. At a minimum, expect timely, if not immediate, assistance and guidance for any issues you encounter.
Yes, you can customise your SMS OTP messages with an SMS OTP service provider.Â
You can inquire or look for APIs or SDKs provided by the service provider to integrate an SMS OTP service with your existing systems and applications.Â
The costs associated with using an SMS OTP service provider vary depending on factors like message volume, features required, and additional services you require.
Verify if your selected SMS OTP service provider follows industry best practices and adheres to the regulatory norms and practices of your country. They should not just claim to follow them but also practice them. You can know this from online reviews and from your conversation with their team.
SMSCountry offers OTP services in Nigeria. It is one of the best OTP providers for banks and businesses. SMSCountry also offers SMS and Voice SMS services.
Price varies with the SMS provider and your network provider. For the price of sending OTP using SMSCountry, see our pricing page.
An OTP verification code service validates the identity of users during online transactions or account logins. The service generates and delivers a unique numeric or alphanumeric code to the user’s registered mobile number or email address. The user enters this number or code back into the system to verify themselves.
Here is what you need to do:
Research OTP service providers in your country/city. Look for reliability, security, scalability and high uptime.
Shortlist from your research and then select one that fits your needs.
Sign up to create a free trial account if they offer one. If they do not offer any, talk to their support team and see how you can get an account to test the platform.
Set up your account. Add API keys to your own system and create OTP messages on the service provider’s interface.
Now test the service by sending a test SMS.
Once you are satisfied with the results of the OTP, purchase a paid account from the provider and deploy it to your entire system.
SMSCountry is the leading provider of OTP, SMS, Voice SMS and APIs. You can choose the most suitable channel for your requirement. A REST API is used in the backend to send the code to the customer.
SMSCountry provides an OTP service in India, which helps users generate OTPs in 180+ countries. We are one of the fastest bulk OTP SMS providers, ensuring your OTP is delivered within 10 seconds. We have an uptime of 99.9%.
SMSCountry is the best OTP service provider in India. We provide the fastest bulk OTP service through a secure gateway, ensuring your transactions are 100% secure. We are the pioneers of bulk SMS marketing platforms.
