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Last updated on December 17th, 2025 at 01:10 pm
In the world of digital security, voice otp (one-time password via call) is increasingly critical. Whether you’re building a login flow, transaction confirmation, or need “how can I get OTP from another number,” you need reliable call OTP providers. This list reviews the top 10 call otp apps and voice OTP services / penyedia OTP / jasa OTP telepon in 2025, highlighting speed, reliability, integration, and pricing.
If you need a voice OTP via a phone call, go with providers like FreJun, Authkey.io, Deepcall. These call OTP apps provide fast, secure OTP delivery via voice, with fallback options, and are trusted voice OTP providers in 2025.
Voice OTP (One-Time Password) solutions have become a crucial part of secure digital authentication, helping businesses enhance security while ensuring seamless user experiences. Among the many providers available, FreJun stands out as the best solution due to its AI-driven voice technology, high delivery rates, and real-time authentication capabilities.
If you’re looking for the most reliable, scalable, and efficient Voice OTP providers, this guide covers the top 10 options with a focus on why FreJun is the ultimate choice.
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Table of contents
- Which is the Best Voice OTP Provider in 2025 for Fast and Reliable User Verification?
- Which OTP Call Method to Choose?
- Voice OTP Essentials in 2025
- OTP Providers in Malay Speaking Regions
- 10 Best Voice OTP / Call OTP App Essentials You Need in 2025
- 1) FreJun
- Voice Call OTP Problems with it’s Solutions
- 2) SMSlocal
- 3) Authkey.io
- 4) Mtalkz
- 5) Deepcall
- 6) SMSCountry
- 7) Way2smart
- 8) Sarv
- 9) Salesquared
- Which Voice OTP Provider Should You Pick?
- Conclusion
- Frequently Asked Questions
Which is the Best Voice OTP Provider in 2025 for Fast and Reliable User Verification?
The best voice OTP provider in 2025 for fast and reliable user verification is FreJun. It offers instant call OTP delivery, high success rates, and global coverage through secure voice channels. With FreJun’s advanced voice API, businesses can easily get OTP on call, automate verification flows, and reduce failed login attempts. Other strong alternatives include Authkey.io, DeepCall, and Salesquared, but FreJun stands out for its combination of speed, security, and scalability.
Which OTP Call Method to Choose?
Voice OTP Essentials in 2025
| Feature | Importance Level |
| AI & Automation | High |
| Multi-Language Support | Medium |
| Call Delivery Speed | High |
| Global Reach | High |
| Security Compliance | Very High |
OTP Providers in Malay Speaking Regions
In Malaysia / Indonesia, “penyedia OTP” or “jasa otp telepon” refers to voice OTP providers or call OTP services. Many apps offer call otp app features under these names. If you are searching for “penyedia OTP” or “voice otp” in Malay, these are providers to consider.
10 Best Voice OTP / Call OTP App Essentials You Need in 2025
These are the top 10 options for OTP Providers:
1) FreJun
FreJun is one of India’s best voice OTP providers and caters to all types of businesses. FreJun is also a full-fledged cloud telephony solution that handles A-Z of all your communication needs. Some of the key features offered by FreJun include virtual numbers, click-to-call, autodial, AI insights, and integration with ATSs and CRMs. The platform also offers you a dedicated dashboard. This is to ensure that you can access all their services without having to switch between multiple windows. FreJun comes with a free trial plan. This lets you explore all the core capabilities of FreJun first before making a decision. FreJun offers two affordable plans to suit all budgets. Check out the full pricing details here.
Key Features:
- AI-Powered Call Analytics – Track, analyze, and improve calls.
How FreJun’s AI Enhances Business Communication
- Seamless CRM Integration – Works with Salesforce, HubSpot, and Zoho.
See How FreJun Integrates with Leading CRMs
- Call Recording & Transcription – Automatically log and store call data.
Discover How FreJun’s Call Recording Works
- Enterprise-grade security – GDPR-compliant with encryption.
- Virtual Numbers & Auto Dialing – Expand business reach globally.
Explore FreJun’s Virtual Phone Solutions
- Multi-Device Compatibility – Use on desktop, mobile, and VoIP phones.
Pricing: Standard: Begins at $14.49 per user, per month.
Professional: Starts at $16.69 per user, per month.
G2 Rating: 4.9/5 (Read Reviews)
Voice Call OTP Problems with it’s Solutions
2) SMSlocal
The OTP and Bulk SMS services provided by SMSLocal are designed for businesses of all sizes and industries — from healthcare and e-commerce to insurance, banking, and beyond. With global coverage and the lowest pricing in the market, we ensure your messages are delivered instantly and securely, no matter where your customers are.
At SMSLocal, we don’t just send messages — we provide you with a personal client portal and robust API integration so you can fully manage campaigns, track delivery, and automate OTP generation without any technical hassle. Our system can detect invalid numbers in real time, ensuring your OTPs and messages always reach the right audience.
Key Features
- Promotional & Transactional Bulk SMS – Send offers, updates, and alerts at scale.
- Client Portal Access – Full control over campaigns, reports, and delivery tracking.
- API Integration – Seamless integration with CRM, ERP, websites, and apps.
- High Delivery Rate – Fast, reliable, and secure message delivery.
- OTP & Transactional Messaging – Secure authentication with automated OTP logic.
- Number Validation – Detects invalid numbers instantly to avoid wasted sends.
- Advanced Analytics – Real-time tracking and performance insights.
- DND Filtering – Avoid sending to numbers on the Do Not Disturb list.
- Global SMS & OTP Coverage – Deliver messages to 200+ countries with high success rates.
Pricing: Starts from just $0.12 per SMS
G2 Rating– NA
3) Authkey.io
Authkey is a communication platform that offers voice, SMS, and email services to its clients. Voice OTP service is one of its core capabilities and is used by many of its customers. You can either use automated phone calls to send voice OTP directly or use it as a fallback option for your SMS OTP. They have a strong network of over 220+ carriers present in over 200 countries, thereby ensuring that your customers will receive their voice OTP from any part of the world. They have multiple pricing plans and even offer volume-based discounts, making it a great choice for all those handling large volumes of customers.
Key Features
- Omnichannel Communication – Supports SMS, Voice, Email, and WhatsApp APIs.
- Fast & Secure OTP Delivery – Ensures quick authentication for users.
- AI-Powered Routing – Optimizes message delivery for higher success rates.
- Global Reach – Send messages across multiple countries seamlessly.
- Two-Way Messaging – Enables interactive customer communication.
- Bulk Messaging – Send promotional and transactional messages at scale.
- Developer-Friendly APIs – Easy integration with applications, CRM, and websites.
Pricing: Growth Plan- 999 per month
G2 Rating– 4.9 out of 5
4) Mtalkz
Mtalkz voice OTP service helps your business by adding an additional security layer to your customer accounts. Its voice OTP caters to both national and international locations, making this a good option for all those businesses with global customers. They also have dedicated connectivity with several telecom networks to reduce delays and minimise non-delivery. And to avoid message failure, they also offer configurable re-trial attempts. You also get access to dashboard reports to ensure that you always stay on top of your customer security. Besides voice OTP service, Mtalkz also offers solutions like bulk SMS, IVR, number masking, missed call service, 2-way messaging, and international messaging.
Key Features
- Omnichannel Communication – Supports SMS, Voice, WhatsApp, Email, and RCS messaging.
- Bulk SMS & Voice Calls – Send promotional and transactional messages at scale.
- Fast & Secure OTP Delivery – Reliable authentication for user verification.
- WhatsApp Business API – Automate customer interactions on WhatsApp.
- AI-Powered Chatbots – Enhance customer engagement with automated responses.
- Real-Time Analytics & Reports – Track message delivery, open rates, and user engagement.
- Cloud-Based Messaging – Scalable, secure, and accessible from anywhere.
Pricing: Basic Plan- 999 per month
G2 Rating: 4.7 out of 5
5) Deepcall
Deepcall is a leading voice OTP service provider in India and offers an easy way to manage user verification. The platform is one of the easiest to set up, and their voice OTP service can be activated in a matter of few minutes. This means you don’t need any special equipment or a dedicated team to manage the authentication process. They also have several affordable plans catering to all budgets. They also offer an integrated solution, which ensures that you can easily manage and track all your data within the same platform. Deepcall also offers a robust analytics dashboard which gives you the flexibility to view reports whenever and wherever you want.
Key Features
- Cloud-Based Voice Solution – Enables scalable and flexible communication.
- AI-Powered Call Routing – Ensures high-quality voice calls with intelligent routing.
- Secure & Reliable Voice OTP – Fast authentication for user verification.
- IVR (Interactive Voice Response) – Automate customer interactions efficiently.
- Click-to-Call API – Seamless integration with websites and apps for instant calling.
- Call Recording & Analytics – Monitor and analyze call performance in real-time.
- Multi-Language Support – Delivers messages and calls in multiple regional languages.
- CRM & API Integration – Easily connects with business tools like CRM and ERP.
- Two-Way Voice Communication – Enables interactive conversations with customers.
Pricing: Contact Deepcall for pricing details.
G2 Rating: NA
6) SMSCountry
If your goal is to safeguard your user data and reduce the occurrence of fraud and scams, then the voice OTP services of SMSCountry can help you. They offer 100% delivery assurance with OTP converted to speech and sent over a call. They have a simple and well-documented API that enables you to send voice-based OTPs directly from your website or application in less than 30 minutes. The platform also lets you send OTPs from a custom sender ID so that your recipients know where the OTP is coming from. You can even set the length and expiry time of the OTP.
Key Features
- Bulk SMS Messaging – Send promotional and transactional messages at scale.
- Voice OTP & Calls – Secure authentication with fast voice-based OTP delivery.
- WhatsApp Business API – Automate and enhance customer engagement on WhatsApp.
- Two-Way Messaging – Enable interactive conversations with customers.
- High Delivery Rates – Optimized routing ensures reliable message delivery.
- Real-Time Tracking & Analytics – Monitor delivery status and campaign performance.
- DND & Compliance Filtering – Ensures messages are sent only to valid numbers.
Pricing: Contact SMSCountry for Pricing details.
G2 Rating: 4.8 out of 5
7) Way2smart
Way2smart is a premium voice OTP solution provider that caters predominantly to Indian customers. Many local businesses use their voice OTP services for account deletion and activation, where it is very important to ensure the authenticity of the user and to ensure that the customer data remains secure. The best part about Way2smart is their transparency. They have no setup cost, license cost, or even monthly fee. You just pay for what you use. Also, it is one of the few platforms to offer a free trial for 15 days for all registered users. This is quite useful for all those who would like to try the efficacy of the services before committing for a long time.
Key Features
- Bulk SMS Services – Send promotional and transactional messages efficiently.
- Voice OTP & Calls – Secure authentication with quick voice-based OTP delivery.
- WhatsApp Business API – Automate customer interactions on WhatsApp.
- Two-Way Messaging – Enable real-time customer engagement through SMS replies.
- High Delivery Rates – Optimized message routing ensures reliable delivery.
- Real-Time Analytics & Reports – Track SMS campaigns with live insights.
- DND & Spam Protection – Ensures compliance with regulations and filters invalid numbers.
- Multi-Language Messaging – Supports regional and global languages for better reach.
Pricing: 5000 messages- 1599
G2 Rating: NA
8) Sarv
Like FreJun, Sarv is more than a voice OTP provider. It is a full-fledged cloud telephony software that can handle most of your business communication needs. Sarv’s voice OTP solution is fully API-based, which means you can start initiating OTP calls to your customers in minimal time. Sarv has been predominantly used by call centres owing to the huge variety of features offered by them for making outbound calls. This includes voice broadcasting, host your own number, toll-free number, virtual phone number, voicemail, and click-to-call, to name a few.
Key Features
- Bulk SMS & Voice Solutions – Send promotional and transactional messages at scale.
- Voice OTP & IVR Services – Secure authentication with instant voice-based OTP delivery.
- Cloud-Based Contact Center – Manage calls, SMS, and customer interactions efficiently.
- WhatsApp Business API – Automate customer support and engagement via WhatsApp.
- Two-Way Messaging – Enable interactive conversations with customers.
- AI-Powered Call Routing – Ensures high call connectivity and voice clarity.
- Real-Time Analytics & Reports – Track campaign performance and message delivery.
- DND & Compliance Filtering – Ensures messages reach valid recipients only.
- Multi-Language Messaging – Supports regional and global languages for better outreach.
- API & CRM Integration – Easily integrates with business applications, ERP, and CRM software.
Pricing: Contact Sarv for pricing details.
G2 Rating: 5.0 out of 5
9) Salesquared
Salesquared is one of the best cloud-based voice OTP providers that lets you send thousands of voice OTP calls parallelly. Their payment model is also simple and charges you only based on your usage. No hidden fees or last-minute surprises. Salesquared offers a delivery rate of around 95%, which is one of the highest in the industry. This also means all your customers can be verified instantly without any delays or errors. In fact, Salesquared claims that their voice OTP reaches all the users in less than 7 seconds. They also have a free trial plan, giving you the option to try the platform before making any payment.
Key Features
- Bulk SMS & Voice Solutions – Send promotional, transactional, and OTP messages at scale.
- Voice OTP & IVR Services – Secure authentication with instant voice-based OTP delivery.
- Cloud Telephony Services – Manage calls and SMS communications on a single platform.
- WhatsApp Business API – Automate customer engagement via WhatsApp messaging.
- Two-Way Communication – Enable interactive conversations via SMS and voice calls.
- Click-to-Call API – Instant customer calling for improved lead conversions.
- AI-Powered Call Routing – Ensures high-quality voice connectivity with intelligent call handling.
- Real-Time Analytics & Reports – Track message delivery, call logs, and campaign performance.
- DND & Compliance Filtering – Ensures messages are sent only to valid, opt-in numbers.
Pricing: IVR API Nano- 5555 for 75 days
G2 Rating: NA
Which Voice OTP Provider Should You Pick?
If you want fastest delivery, high reliability, and global reach, FreJun is your top voice OTP provider. For regional coverage and budget pricing, Deepcall and Salesquared are good alternatives. If you need localized providers in Malay markets (search “penyedia otp”), check Way2smart and Sarv for affordable voice OTP service.
Conclusion
As we have seen in this post, several voice OTP providers have emerged in recent years, mainly to offer a compelling alternative to traditional authentication methods. Each of the platforms highlighted in this post comes with a unique set of features without compromising security measures. Whether you are a financial institution ensuring safe transactions or an e-commerce business verifying customer accounts, there is a voice-based OTP solution out there for you.
Choosing the right Voice OTP provider is essential for ensuring secure, reliable, and fast user authentication. While several providers offer OTP solutions, FreJun stands out as the best choice in 2025 due to its AI-powered instant delivery, superior security, and customizable features.
If you’re looking for a fast, secure, and scalable Voice OTP provider, FreJun is the solution you need! Get a Demo or Sign Up Today
Further Reading: Voice-Based OTP Authentication: Boosting Security & Convenience
Frequently Asked Questions
A Voice OTP provider delivers one-time passwords via automated phone calls instead of SMS. It’s used for secure authentication and verification in apps, websites, and systems.
FreJun, Twilio, Exotel are some of the Top prviders.
The best Voice OTP providers offer fast call delivery, intelligent retry mechanisms, AI-based automation, and support for multiple languages. FreJun stands out in this space with its unmatched speed, scalability, and reliability.
Yes, platforms like FreJun are built for both small businesses and enterprises. With custom plans, an easy setup, and a free trial, even startups can benefit from enterprise-grade Voice OTP delivery.
Top-tier providers like FreJun deliver OTPs within 5 seconds on average. Their infrastructure supports ultra-fast call connections and ensures timely delivery even during high traffic.n average, with failover logic that ensures retries in case of failed attempts.
Reliable Voice OTP systems like FreJun implement intelligent retry logic and fallback options such as SMS or a secondary call. Real-time delivery tracking ensures that customers always receive their OTPs successfully.
Integration is seamless with platforms like FreJun, which offer robust APIs, thorough documentation, and technical support. You can connect it to your app, website, or CRM in just a few minutes.
A Voice OTP (One-Time Password) is a secure verification code delivered through an automated phone call instead of SMS. It’s ideal when users have poor mobile network coverage or prefer call-based authentication.
A Call OTP app triggers a voice call to the user’s registered number. The system automatically reads out the OTP digits, ensuring quick delivery even when SMS channels fail. This improves authentication success rates and reduces fraud.
FreJun leads as the best voice OTP provider in 2025, offering instant OTP delivery, high uptime, and API-based integration for apps and businesses. It’s followed by Authkey.io, DeepCall, and Salesquared for their global scalability.
You can enable voice OTP within your authentication settings or through API integration with a call OTP provider like FreJun. When SMS fails, the system will automatically call your number and read the OTP aloud.
Yes. Many voice OTP services allow you to register multiple phone numbers for verification. If you change devices, you can update your registered number and continue receiving OTP on call.
Absolutely. Leading voice OTP providers like FreJun support multi-language voice prompts, ensuring users in different regions such as India, the Philippines, and Indonesia receive OTPs in their preferred language.