Best Voice Calling API & SDK Providers in New Zealand
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Compare the Top Voice Calling API & SDK Providers in New Zealand as of November 2025
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What are Voice Calling API & SDK Providers in New Zealand?
Voice calling API and SDK providers offer developers with the necessary tools to integrate voice calling functionality into their applications. These providers typically offer a range of options, including APIs that allow for an easy integration process, as well as SDKs that provide more advanced features such as call recording and real-time transcription. They also often provide comprehensive documentation and technical support to assist developers in implementing these services. Some of the major players in this field include Twilio, Voximplant, and Nexmo, each offering their own unique set of features and pricing plans. In general, these providers aim to make it easier for businesses to incorporate voice calling capabilities into their products without having to build them from scratch. Compare and read user reviews of the best Voice Calling API & SDK providers in New Zealand currently available using the table below. This list is updated regularly.
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1
Twilio
Twilio
Twilio's Voice Calling API and SDKs empower businesses to integrate voice communication capabilities into their applications, providing a seamless and efficient way to connect with customers over the phone. This integration allows businesses to enhance their customer engagement strategies by offering personalized and real-time voice interactions. The Voice Calling API enables businesses to make, receive, and manage calls programmatically, offering a high degree of flexibility and control over voice communications. This capability is crucial for businesses looking to automate call workflows, such as customer support hotlines, appointment reminders, or sales calls, thereby improving operational efficiency and customer satisfaction. Twilio's Voice SDKs support various platforms, including Android, iOS, JavaScript, and React Native, allowing developers to build voice-enabled applications across different devices.Starting Price: $0.0085 per min -
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Signalmash
Signalmash
Why work with giants like Twilio where your support requests will take forever to get a response? Signalmash is not just a CPaaS provider, we take pride in providing the best possible CPaaS support. Your developers can have a shared Slack channel with our developers for instant support. You can speak to our CEO anytime. Real-time and top-notch support means shorter development cycles and enables you to provide exceptional support to your own customers. SMS services we offer: SMS API SMS CPaaS SMS UCaaS SMS no-code sending platform 10DLC campaign support Short code SMS Toll-free SMS Voice services we offer: Contact center telecoms Voice termination Voice orgination Local numbers Short code numbers Toll-free numbers SIP Trunking Our No-code telecoms solutions: UCaaS to send SMS CCaaS to manage phone calls AI solutions Signalmash - experience the highest level of support, every step of the way - book a call with us to get expert advice!Starting Price: $0 -
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ClickSend
ClickSend
ClickSend offers SMS, MMS, Voice, Online Mail, Email and Fax software for businesses. Our communications and messaging tools are simple to use, automate and integrate. That’s why they’re used by some of the most trusted brands, organisations and developers globally. Built for all, you can access ClickSend via our Dashboard, mobile app, flexible API or 900+ integrations. Plus, ClickSend offers helpful 24/7 support, and lightning fast delivery via a secure and reliable platform. From SMS marketing and alerts to bulk mailouts sent from your browser, join over 90,000+ businesses sending communications around the world. Our 100% uptime guarantee and lightning fast direct routes provide reliable messaging, no matter the channel. From small businesses to enterprise, ClickSend powers billions of messages around the world with 232+ direct carrier connections. Plus, ClickSend is always pay-as-you-go. That’s why ClickSend is business communications, solved.Starting Price: $20 minimum topup -
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Telnyx
Telnyx
See how the developer friendly Telnyx API can transform your business communications. Telnyx is an all-in-one communication platform designed to be tailored exactly to your needs. We created our network with real-time communications in mind so we can deliver quality calls, messaging, and data around the world. Easily build reliable messaging with our SMS API. Keep your data safe by setting up two-factor authentication using SMS or voice codes. Plug and play your VoIP setup in minutes and get carrier-grade voice with elastic SIP trunks. Our cloud-agnostic approach means you can rest easy knowing you are protecting in case of a network failure. With Telnyx deploy communications exactly to specifications. -
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Bird
Bird
Bird (formerly MessageBird) is the next-generation CRM for Marketing, Sales, and Payments, powering over 5 trillion annual messages across Email, SMS, and WhatsApp. Leading brands grow cost-efficiently with Bird through personalized interactions on Email, SMS, and WhatsApp. The world's most innovative companies build communication solutions using Bird's applications and APIs. Get started today and talk to your customers over any channel, for any use case, anywhere in the world. Marketing messages, push notifications, order updates, delivery alerts and more. Operational bottlenecks slowing your growth? Use automated conversations and workflows to collect critical information up front, reduce manual tasks, implement self-service flows, and route chats to the right agent. Get up and running in minutes on our reliable, auto-scaling APIs with extensive documentations, complete API references and intuitive SDKs.Starting Price: $45 per month -
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TeleSign
TeleSign
Deliver timely, personalized information through global SMS/RCS and voice cloud communications. Gain a deeper understanding of your customers from actionable global phone number and subscriber data intelligence. Code once and message your customers at scale using TeleSign’s Messaging API - complete with waterfall delivery between channels. TeleSign Messaging API includes SMS, RCS, and WhatsApp to help you build secure digital communications that connect you with your customers anywhere in the world. Integrate a single Messaging API and start sending reliable, secure SMS, RCS and WhatsApp messages to your customers today. Choose one or all three channels to broaden your programmable messaging strategy and expand your audience. Reach more customers with 120+ optimized points-of-presence and 700+ direct-to-carrier routes. -
7
SignalWire
SignalWire
An elastic communications cloud with advanced APIs for voice, SMS and video designed by the original geeks of software-defined telecom. When your audience is large, your brand is premium, and you won't settle for janky video conferencing UX, you want this. Real time, granular control over call flows, routing, and codecs. 300% more responsiveness than you get with REST. If you use AI in your voice apps, you just found your new favorite API. If you're more comfortable with REST than WebSockets or already use TwiML, these APIs are like TwiML...if TwiML suddenly knew Kung Fu. The SMS API makes it easy to move your expensive SMS traffic to SignalWire and cut your billio 50-80% in the process. Launch and scale communication products on infrastructure built for this decade and the next rather than running aground on the limitations of 2010s-era SaaS. Persistent, bi-directional connections between your video and voice apps and our infrastructure means 300% more responsiveness. -
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DecisionTelecom
DecisionTelecom
DecisionTelecom is a global provider of Application-to-Person (A2P) messaging and voice communication services, offering an omnichannel platform for business messaging worldwide. As a licensed telecommunications operator, they provide direct channels for seamless integration with mobile network operators, ensuring high-quality message delivery across more than 190 countries. Their services include SMS, Viber, WhatsApp Business messaging, RCS, and high-quality voice calls, all accessible through user-friendly APIs and SDKs for easy integration into existing systems. Decision Telecom's mission is to enhance and simplify communication between companies and their clients, providing 24/7 professional support and personalized account management to ensure reliable and efficient service. -
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Creating Customer Journeys Through Conversations. Engaging experiences that move with your customers. Loved by developers. Built for business. Vonage Communications APIs (formerly Nexmo) helps growing startups and agile enterprises enhance their customer experience and realize new business outcomes at scale. With our easy-to-use APIs, global platform, and expert support, you can abstract the complexity of communications and innovate faster. Reimagine voice interactions to redefine your customer experiences. Make each message count as an opportunity for your customers and your business. Enhance security and privacy—and create seamless login experiences. Build modern, high-quality voice applications in the cloud. Programmatically send and receive SMS in practically every country. Get real-time intelligence on any phone number in the world. Make and receive calls from the cloud with your existing VoIP infrastructure.
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CEQUENS
CEQUENS
Thousands of businesses rely on our cloud communications platform to build stronger connections with their customers. Communication Platform supports the world’s most innovative technologies and combines all possibilities making it a reliable tool for digital transformation and global connectivity. Send promotions, push notifications, delivery alerts, order updates, data surveys – whatever you can think of. Use rich media chat and chatbots to empower your teams and cater to every client’s needs – anytime, anyplace. Access a wide library of API references and custom-build your workflows as you see fit. Protect user identities or accounts against online fraud through secure 2-factor authentication and seamless verification experiences.
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