With Mtalkz Voice API, every developer can build and integrate communication systems easily















Businesses are constantly looking to strengthen connections with partners and audiences.
In a competitive market, the need to perform better is crucial. Achieve excellence with Mtalkz’s Voice Call API for Developers. Tailored for diverse industries, easily connect with customers and partners!

Seamless Automation for Customer Support & Engagement
Automate proactive customer support and notifications. Notify customers about order updates, appointments, or service disruptions via automated voice calls.
Automate appointment reminders and confirmations via voice calls, reducing no-shows and improving scheduling efficiency for enhanced customer experience.
Automate survey calls to collect customer feedback on products, services, or interactions, improving business processes and customer satisfaction.
Use voice calls to deliver one-time PINs (OTP) for secure authentication during account logins, financial transactions, or access to sensitive information to ensure robust security
Combine the Mtalkz Bulk SMS Service with Voice Bulk SMS Service, Missed Call service and WhatsApp Business API service to give limitless experience to your Customers & Borrowers and stakeholders.
Our Voice API lets you manage and route calls to an app, your phone, or anywhere else you want to transfer that call. The process involved is quite easy to use and quick to implement.
No one wants to hear disturbances while they are on a call. We at Mtalkz ensure you and your users don’t face any quality issues while coordinating with each other
By partnering with us, you will even be able to monitor your calls and know more about your campaigns and consumers within no time.
With the Mtalkz expertise and open API’s, you can use any programming language you want. So no worries!
With our platform, all calls are automatically recorded for future use, reference and training purposes. Use our API’s to transfer data to your systems.
By shaking hands with us, you will be able to reach your consumers and clients anytime you want and from anywhere, thus more customer satisfaction.
curl --location 'https://api.voicensms.in/OBDAPI/webresources/CreateOBDCampaignPost' \
--header 'Content-Type: application/json' \
--data '{
"sourcetype": "0",
"campaigntype": "4",
"filetype": "2",
"voicefile": "speakmate_voice.wav",
"ukey": "MXxeESXXrtXXX13fXXxxRMXVXH",
"serviceno": "7X15XXX4XX",
"ivrtemplateid": "1",
"retryatmpt": "3",
"retryduration": "15",
"msisdn": [
"9599284491"
]
}'Powerful, Scalable, and Secure Voice API Solutions
Industry-standard encryption and compliance to protect sensitive data.
Learn MoreA robust Voice API equips developers with the tools needed to build efficient and scalable voice communication systems. Here are the key features that make our Voice API a top choice for businesses and developers alike:
Design interactive voice response (IVR) systems effortlessly with our Voice API. Enable automated customer interactions, streamline call flows, and provide self-service options to handle inquiries, payments, or support requests without human intervention.
Implement intelligent call routing to ensure calls are directed to the right agent or department. Our Voice API supports: •Priority-based routing •Time-based forwarding •Failover mechanisms for uninterrupted communication
Leverage advanced TTS and STT technologies for seamless voice automation: •Convert text to natural-sounding speech for announcements, reminders, or notifications. •Transcribe voice input into text for analytics, records, or automated workflows.
Reach a global audience with support for multiple languages and accents. Developers can localize voice interactions to suit diverse customer bases, ensuring inclusivity and better engagement.
Track and analyze calls for quality assurance, training, and compliance. The API provides: •Secure storage of call recordings •Insights into call duration, response times, and customer sentiment.
Our Voice API is designed to seamlessly integrate with a wide range of systems, enabling developers to build connected, efficient, and scalable voice solutions. Here’s how it works with key platforms to supercharge your operations:
Integrate your Voice API with popular CRM systems like Salesforce, HubSpot, or Zoho to deliver personalized customer experiences. •Access customer data during live calls to provide context-aware support. •Log call interactions automatically to maintain detailed communication records.
Sync with ERP platforms to streamline workflows and automate operational tasks. The Voice API bridges communication gaps by connecting voice capabilities directly to inventory, order management, and other ERP modules. •Trigger voice alerts for stock updates, delivery statuses, or invoice payments. •Automate employee shift notifications or work assignment calls.
Connect the Voice API to analytics platforms like Google Analytics or Tableau to gain actionable insights into your voice communications. •Monitor call volumes, durations, and resolutions for operational efficiency. •Analyze customer sentiment and agent performance to improve service quality.
Connect the Voice API to analytics platforms like Google Analytics or Tableau to gain actionable insights into your voice communications. •Monitor call volumes, durations, and resolutions for operational efficiency. •Analyze customer sentiment and agent performance to improve service quality.













One-Stop ShopExplore comprehensive communication solutions in one place, including Bulk SMS, WhatsApp API, IVR Solutions, RCS, Email Marketing, and more, tailored for developers and businesses.
24 X 7 Tech SupportGet 24 x 7 technical support. Our expert team follows strict SLAs, ensuring world-class guidance whenever you need it.

Consultancy- Based ApproachConnect with Mtalkz and get proper guidance from our experts to exceed your business goals.
Fast Onboarding ProcessExperience fast onboarding & faster DLT approvals. This eases the process of setting up your marketing campaigns.
Everything you need to know about our services. Can't find the answer you're looking for? Contact our support team
Mtalkz Voice API offers several benefits to developers, including:
Voice APIs are more flexible and developer-friendly than traditional IVR systems. They allow for faster integration, cloud-based deployment, and enhanced functionalities like voice recognition, predictive dialing, and real-time analytics.
Voice APIs are highly scalable, designed to handle high call volumes, making them ideal for growing businesses, large-scale call centers, and enterprises requiring cloud-based contact center solutions.
Voice APIs provide pre-built modules for creating IVR systems, making it easier for developers to set up call flows, record greetings, and manage menus. These APIs are ideal for building IVR systems for call centers, cloud telephony services, and interactive voice response solutions.
Voice APIs ensure robust security with encryption protocols, secure API keys, and compliance with standards like GDPR. This is crucial for businesses in industries like banking, where secure voice response systems are critical.
Voice APIs allow seamless integration with CRM platforms, enabling call data synchronization, customer interaction history tracking, and personalized call experiences. This makes them a valuable tool for businesses requiring CRM calls.
Mtalkz Voice API is a cloud-based voice solution that enables developers to add voice capabilities to their applications and services. With Mtalkz Voice API, developers can build and integrate voice-based services such as voice dialing, voice messaging, and voice broadcasting into their applications, without having to worry about the underlying telephony infrastructure.
Mtalkz Voice API works by exposing a set of APIs and SDKs that developers can use to build voice-based services into their applications. The APIs and SDKs handle all the underlying telephony and voice processing, so developers can focus on building their applications. Developers can use Mtalkz Voice API to add voice capabilities to their applications, such as making and receiving calls, sending and receiving voice messages, and broadcasting voice messages to multiple recipients.
Yes, Voice APIs support both inbound call center solutions and outbound operations. They allow developers to build features like predictive dialing, automated call routing, and real-time call monitoring, making them ideal for call center cloud solutions.
Voice APIs enable developers to create automated voice systems with features like:
Absolutely. Developers can use Voice APIs to build tailored IVR solutions, including simple IVR systems for small businesses or advanced IVR call center solutions with multi-level menus, voice recognition, and CRM integration.
Yes, most Voice APIs are designed for cloud telephony services, enabling developers to build scalable and reliable cloud-based call center solutions without the need for on-premise infrastructure.
Yes, Voice APIs can integrate with predictive dialing software, enabling automated outbound call campaigns. This feature is beneficial for telemarketing, surveys, and customer outreach programs.
Mtalkz Voice API offers several benefits to developers, including:
Yes, many Voice API service providers, including us, offer free automated calling services for testing purposes. This helps developers experiment with functionalities before deploying them in production environments.
We provide extensive developer documentation, sample code, and customer support to ensure smooth Voice API integration. Our platform also offers advanced analytics and monitoring tools to optimize performance.
Mtalkz Voice API offers several benefits to developers, including: