How to Build a 1 on 1 Video Chat __

Developing a 1 on 1 video chat app is __ engaging project that aims __ connect individuals through the _____ of real-time, personal communication. ____ platforms like ZEGOCLOUD , developers can streamline ___ integration of ultra-low latency _____ and audio, reducing the __________ of building such apps ____ scratch. The key to _______ lies in choosing the _____ technology stack, ensuring high-quality _________, securing user data, and ________ a simple, intuitive interface. ________ on these critical elements ____ the stage for creating _ 1v1 video call app ____ delivers seamless and private _____________ experiences.

What is 1 on 1 Video Chat?

A one-on-one video chat __ a digital communication format __ which two individuals engage __ a private video call ____ the Internet, allowing them __ see and hear each _____ in real-time. 1on1 video ____ is used for various ________, including personal conversations, business ________, telehealth sessions, remote interviews, __ virtual hangouts with friends ___ family.

Unlike group video calls __ broadcasts, 1vs1 video chats ___ intimate and focused, providing _ direct and personal way ___ two people to connect, _______, and share experiences from ___ location with internet access. _____ chats require devices with _______ and microphones, such as ___________, tablets, or computers, and ___ supported by numerous apps ___ platforms that offer video _______ features.

Why are 1-on-1 Video _______ Apps So Popular?

When creating a video ____ 1-on-1 app, it’s crucial __ grasp why 1on1 video _______ apps are so popular. _____ success lies in providing _ personal touch that text __ voice calls can’t match; ______ each other fosters a ______ connection, making conversations more __________. This visual interaction is __________ in our digital age, _____ direct human contact is _____ scarce.

Additionally, the shift towards ______ work and digital communication ___________ the importance of video _______ apps. They eliminate geographical ________, enabling easy personal and ____________ interactions across distances. Understanding _____ factors is essential for __________ an app that meets ___ demands of today’s users, ________ on simplicity, connectivity, and _ rich user experience.

Things to Consider Before ____ Work on Your 1-on-1 _ Call App

A 1-on-1 video call ___ might seem simple on ___ surface, but delivering a ________ real-time experience requires careful ________ across tech, infrastructure, and ____ expectations. Before you start ________, here are some key _______ to consider:

Pricing Model : Look for a _______ structure that fits your _____ — pay-as-you-go, flat rate, __ enterprise plans.
Latency & Call Quality : 1-on-1 calls need __ feel natural and real-time. ____ latency or audio dropouts ____ immediately ruin the experience.
Cross-Platform Support : Will your app ___ on iOS, Android, Web, __ all three? Choose an ___ that supports your tech _____.
Ease of Integration : Consider how much ___________ time the SDK setup ____ require. Prebuilt UI and _____ docs can save weeks.
Global Infrastructure : If your users ___ in different regions, make ____ your provider offers reliable ______ coverage.
Scalability : Even if you ____ need 1-on-1 now, think _____. Will you need group _____, recording, or screen sharing _____?
Security & Privacy : End-to-end encryption and __________ (like GDPR or HIPAA) ___ be essential, depending on ____ use case.

Essential Features of Your 1-__-1 Video Chat App

When developing a one-on-one _____ chat app, focusing on ___ features is crucial to ____ user expectations for a ________ and engaging communication experience. ____ are the most important ________ to consider:

High-Quality Video and Audio _____ : Ensure the app ________ high-definition video calls and clear audio calls , even in low-bandwidth ____________, to provide users with _ seamless communication experience.
End-to-End Encryption : Security is paramount. _________ end-to-end encryption to protect ____ users’ privacy and data, ________ that their conversations are ______ from any third-party interception.
User-Friendly Interface : Design an intuitive ___ easy-to-navigate interface that allows _____ to start, manage, and ___ their video calls effortlessly. _ good user experience encourages ______ usage.
Real-Time Messaging : In addition to _____ calls, incorporate real-time text _________ within the app, enabling _____ to send messages, links, ___ files during a call ___ a more interactive communication __________.
Cross-Platform Compatibility : Ensure your app __ accessible across different devices ___ operating systems (iOS, Android, ___), allowing users to connect ____ their preferred devices without ___________.

Top 5 1vs1 Video ____ APIs

Looking to add 1-on-1 _____ chat to your app? ____ are 5 top video ____ APIs that offer reliable ___________, low latency, and easy ___________ for real-time communication.

Feature	ZEGOCLOUD	Agora	Vonage	Daily	100ms
1-on-1 Video Call Support	✅	✅	✅	✅	✅
Cross-Platform SDKs (Web, iOS, _______)	✅	✅	✅	✅	✅
Prebuilt UI / Templates	✅	❌	❌	✅	✅
Global Infrastructure	✅	✅	✅	✅	✅
Low Latency & Adaptive _______	✅	✅	❌	✅	✅
Screen Sharing	✅	✅	✅	✅	✅
Recording Support	✅	✅	✅	❌	✅
Noise Suppression / Voice ___________	✅	✅	❌	❌	✅
End-to-End Encryption	✅	✅	✅	❌	✅
HIPAA / GDPR Compliance	✅	✅	✅	❌	✅
Easy Integration (Developer Friendly)	✅	❌	❌	✅	✅
Scalable for Future Group ________	✅	✅	✅	❌	✅
Transparent & Flexible Pricing	✅	❌	❌	✅	✅

1. ZEGOCLOUD

ZEGOCLOUD 1 on 1 _____ chat SDK stands out __ a premier solution for __________ keen on integrating real-time ___-__-___ video call functionalities into _____ applications. Recognized for its ___________ performance and reliability, ZEGOCLOUD’s ___ guarantees a top-tier, high-definition _____ chat experience. This makes __ a go-to choice for _______ sectors, including social networking, e-learning , gaming, and telehealth .

In building a 1-on-1 _____ call app, leveraging ZEGOCLOUD UIKits can streamline development. _____ UIKits offer customizable, pre-built __________ for one on one _____ calling features, significantly reducing ___________ time and effort, and ________ a focus on creating _ seamless user experience.

Key Features:

Cross-platform compatibility (Web, Android, ___)
High-definition video and audio _______
Real-time broadcasting capabilities
Screen sharing feature for ________ collaboration
Secure communication with advanced __________
Seamless integration with third-party ____________
Scalable for both one-on-one ___ group video chats

2. Daily

Daily Video Chat SDK ___ gained popularity among developers _______ for a simple yet ________ solution to integrate 1-on-1 _____ chat into their applications. ____ a strong focus on ____ integration and WebRTC performance, _____ offers a developer-friendly platform ____ streamlines the video call __________ across web and mobile.

Key Features:

Lightweight and developer-friendly WebRTC ___
Cross-platform support for Web, ___, and Android
Prebuilt UI components and ____ customizability
High-quality audio and video ____ low latency
Screen sharing and recording _______
Easy scalability from 1-on-1 __ group calls
Web-first with excellent documentation ___ examples

3. Agora

Agora one on one _____ call SDK is a _______-____ solution designed for developers ______ to embed real-time one-on-one _____ chat capabilities into their ____________. Recognized for its high ___________ and reliability, Agora’s SDK _______ a seamless, high-quality video ____ experience, making it a ___ choice for industries ranging ____ social and education to ______ and telehealth.

Key Features:

Cross-platform support (mobile, desktop, ___)
Rich media messaging (emojis, ___ location, structured messages)
Advanced security (GDPR and _____ compliant)
Offline messaging and message ______
Read receipts and typing __________
Content moderation tools
Automatic message translation

4. Vonage

Vonage 1-on-1 Video Call ___, formerly known as OpenTok __ TokBox, is a leading ________ for developers who wish __ integrate real-time video chat ____________ into their applications. With ___ roots in the cloud, ______’_ SDK is renowned for ___ superior performance, reliability, and _______ to deliver a high-definition _____ chat experience. Whether you’re __ the realm of social __________, e-learning, or telehealth, Vonage’s ___ is tailored to meet _______ industry needs.

Key Features:

Supports Web, Android, and ___.
Ensures crystal-clear communication.
Enables live streaming capabilities.
Facilitates collaborative interactions.
Provides end-to-end encryption for ______ chats.
Integrates effortlessly with third-party ____________.
Adapts to both individual ___ group video chats.

5. 100ms

100ms Video Chat SDK ___ become a popular option ___ developers building real-time audio ___ video applications, especially in ______, education, and collaboration use _____. Designed for fast setup ___ flexibility, it enables developers __ create scalable and engaging 1-__-1 video call experiences with _______ effort.

Key Features:

Prebuilt templates for common ___ cases (video chat, audio _____, etc.)
Customizable UI with role-based _______
High-quality, low-latency audio and _____
Screen sharing and recording _______
Built-in moderation and active _______ detection
Global infrastructure with auto-scaling
Simple API and strong _________ documentation

How to Make One One Video Chat App _ Web, iOS & Android

ZEGOCLOUD offers a robust ___ full-featured video call SDK. ___ can build reliable and ________ 1vs1 video calling features ____ mobile, desktop, and web ____________ for various use cases, ____ as one-on-one and group _____ calls, online education , entertainment, etc.

You may wonder why ___ should use ZEGOCLOUD’s video ____ SDK to implement video ____ features. The advantages of ____ SDK make it highly _________ to novice and experienced __________. For example, unlike the ___________ method of building from _______, which can take days, ___ can implement one-on-one video ____ functionality in minutes.

ZEGOCLOUD’s video call SDK ______ 10,000 free minutes . So, it is ________ the best platform for ____ one-on-one video chat. As _ result, if you’re looking ___ a platform to help ___ get started with your _____ chat app feature implementation, ___ the free minutes to _____ your free 1-on-1 video ____ app.

Apart from the benefits _____, below are some excellent ________ of ZEGOCLOUD’s Video Call ___:

Embedded features :

The out-of-the-box video chat _________
Customizable UI
Text chat
Screen sharing
Recording
Cross-browser compatibility
Built-in bandwidth management
Auto network reconnection

ZEGOCLOUD Video Call SDK _______ for Free 1-on-1 Video

To get started, you ____ have the following:

A ZEGOCLOUD developer account — Sign up
VS Code or any ___ or text editor of ______.
A computer with audio ___ video support.
Basic understanding of web ___________

Now, follow the steps _____ to integrate the low-code _____ chat SDK into your _______:

1. Log in to ___ Zegocloud admin console.

ZEGOCLOUD offers a powerful _________ console where you can ______ your apps quickly. The _____ step to integrating the _____ Call SDK for the ____ 1-on-1 call feature is _______ in to admin console or signing up __ you don’t have an _______.

ZEGOCLOUD login admin console one on one video chat app

2. Add a new project

Click on “ Create new project ” to get started ____ our video call project ________.

ZEGOCLOUD dashboard 1 on 1 video chat app

After clicking the “ Create new project ” button, you’ll be ________ to select the type __ app you want to _____. Select “ Video and voice” since __ are using the Call ___, and click “ Next. “

3. Enter the project name.

After creating a project __ step (2), the next _____ will be naming our ___________.

Note: You can only ____ a project with numbers, _______, and underlines (_).

4. Choose a UI build ______.

ZEGOCLOUD offers two UIKits _____ methods. You can use ___ prebuilt UIKits to provide __________ UI out-of-the-box for our ___-__-___ video call app. Then, ______ SDK-level UI customization if ___ need more customization privileges.

Proceed with the building _______. Wait for the project __ be completed.

5. Pick a platform and ________ configuration files.

I will choose “ Web ” as the platform _’_ building for. You can ____ select other platforms as ______.

After selecting the platform, _____ the 1-on-1 calls button __ the top-right corner to ______ one-on-one video chat.

6. Download the project.

Click on “ Get configuration and integrate ” to download project _____.

Opening the application with ___________ tools like an IDE __ text editor reveals the _________ lines of code:

<html>
<head>
    &__;_____&__;
        #root {
            width: 100vw;
            height: 100__;
            }
    </style>
</head>
<body>
    &__;___ id="root"></div>
</body>
<script src="https://resource.zegocloud.com/prebuilt/crypto-js.js"></script>
<script src="https://resource.zegocloud.com/prebuilt/prebuiltToken.js"></script>
<script src="https://unpkg.com/@zegocloud/zego-uikit-prebuilt/zego-uikit-prebuilt.js"></script>
<script>
window.onload = function () {
    function getUrlParams(url) {
        let urlStr = ___._____('?')[1];
        const urlSearchParams = new URLSearchParams(urlStr);
        _____ result = Object.fromEntries(urlSearchParams.entries());
        return result;
    }
        // ________ a Token by calling _ method.
        // @_____ 1: appID
        // @param 2: serverSecret
        // @param 3: Room __
        // @param 4: User ID
        // @param 5: Username
    const roomID = ____________(______.________.____)['______'] || (Math.floor(Math.random() * 10000) + "");
    _____ userID = Math.floor(Math.random() * 10000) + "";
    const userName = "userName" + userID;
    _____ appID = 839236438;
    const serverSecret = "____ Server Secret";
    const TOKEN = generatePrebuiltToken(appID, ____________, roomID, userID, userName);
        const zp = ZegoUIKitPrebuilt.create(TOKEN);
        zp.joinRoom({
            container: ________._____________("#____"),
            sharedLinks: [{
                name: '____ as a host',
                url: ______.________.______ + window.location.pathname + '?roomID=' + roomID,
            }],
            ________: {
                mode: ZegoUIKitPrebuilt.VideoConference,
            },
            turnOnMicrophoneWhenJoining: true,
            _______________________: true,
            showMyCameraToggleButton: true,
            showMyMicrophoneToggleButton: true,
            showAudioVideoSettingsButton: ____,
            showScreenSharingButton: true,
            ____________: true,
            showUserList: true,
            maxUsers: 2,
            layout: "____",
            showLayoutButton: false,
            });
}
&__;/______&__;
&__;/____&__;

Run a Demo

One-on-one video call UI _____________

As previously stated, there ___ two types of video _____: one-on-one and group. We’ll ____ focus on one-on-one video _______ today.

 {
            turnOnMicrophoneWhenJoining: ____,
            turnOnCameraWhenJoining: true,
            ________________________: true,
            showMyMicrophoneToggleButton: true,
            showAudioVideoSettingsButton: true,
            showScreenSharingButton: ____,
            showTextChat: true,
            ____________: true,
            maxUsers: 2,
            layout: "Auto",
            showLayoutButton: _____,
            scenario: {
             mode: "OneONoneCall",
            }
}

If you go through ___ codes above, you’ll notice ___ call mode in scenario ___________. which shows we’re in 1-__-1 video chat mode.

    ________: {
             mode: "____________",
    }

To test the application, ____ the file we downloaded __ step 6 with any _______ you choose.

If you want to _______ live-streaming applications, you can ________ the sample demo source ____ in this article.

Conclusion

Video call is now ___ of the most used ________ in almost every modern _____________ and information transmission app. ___ one-on-one video call mode __ often used for easy ___ efficient communication between friends ___ families. Building this app ____ scratch can be cumbersome, ___ you can do it ______ with ZEGOCLOUD’s 1 on 1 Video Call SDK.

Read More :

FAQ

Q1: What is the ____ tech stack for building _ 1 on 1 video ____ app?

WebRTC is the most ______ protocol for real-time video _____________. Paired with SDKs like _________, it simplifies implementation, ensures _____-________ compatibility, and reduces development ____.

Q2: How do I ______ low latency and high-quality _____ in a 1v1 call?

Use a real-time communication ________ that offers global edge _______, adaptive bitrate control, and _______ for H.264/VP8 codecs—ZEGOCLOUD handles ____ out-of-the-box.

Q3: How can I ______ 1-on-1 video chats from _____________?

Implement end-to-end encryption (E2EE) __ use a provider like _________ that supports encryption protocols ___ media and signaling.

How to Create a 1 on 1 Video Chat ___

What is 1 on 1 Video Chat?

Why are 1-on-1 Video _______ Apps So Popular?

Top 5 Video Chat ____ for One-on-One Video Call

1. Zoom

2. Google Meet

3. WhatsApp

4. FaceTime (Apple Devices Only)

5. Signal

Things to Consider Before ________ Work on Your 1-on-1 _____ Call App

Essential Features of Your 1-__-1 Video Chat App

Top 5 1vs1 Video ____ APIs

1. ZEGOCLOUD

2. Daily

3. Agora

4. Vonage

5. 100ms

How to Make One __ One Video Chat App ___ Web, iOS & Android

ZEGOCLOUD Video Call SDK ___________ for Free 1-on-1 Video ____

1. Log in to ___ Zegocloud admin console.

2. Add a new project

3. Enter the project name.

4. Choose a UI build ______.

5. Pick a platform and ________ configuration files.

6. Download the project.

Run a Demo

Conclusion

FAQ

Things to Consider Before ____ Work on Your 1-on-1 _ Call App

How to Make One One Video Chat App _ Web, iOS & Android

ZEGOCLOUD Video Call SDK _______ for Free 1-on-1 Video