10 Essential 3rd Party Services for a Web App

In the contemporary landscape of web development, the role of 3rd party services cannot be overstated. These services are the building blocks that empower web applications to deliver a richer, more efficient, and more secure user experience. In an era where time-to-market and robust functionality are critical, leveraging 3rd party services is not just about convenience; it’s a strategic necessity.

Moreover, in a fast-paced digital world where user expectations are constantly evolving, 3rd party services provide the agility and flexibility needed to adapt quickly. Whether it’s scaling up to meet growing user demands, incorporating the latest security protocols, or tapping into advanced analytics for deeper user insights, these services offer the tools necessary to stay competitive and relevant.

From startups to large corporations, businesses across the spectrum are harnessing the power of these services to elevate their web applications. They enable a focus on creating unique user experiences without the burden of reinventing the wheel for functionalities that are already well-developed and readily available.

web apps

3rd party services

The integration of 3rd party services into web applications brings forth a multitude of advantages. Developers can concentrate on their core product features while outsourcing complex or non-core functionalities to 3rd party service experts. This approach not only expedites development but also ensures that each aspect of the web application is handled by the most adept 3rd party service tools and technologies available.

Furthermore, in an environment where user expectations are ever-evolving, 3rd party services provide the agility and adaptability needed to stay competitive and relevant. Whether it’s scaling to meet increased user demands, implementing cutting-edge security measures, or harnessing advanced analytics for profound user insights, these services offer the essential tools to succeed in web application development.

In the following sections, we will explore five critical categories of 3rd party services – Authentication, Payment Gateways, Cloud Storage and Database Services, Analytics and User Behavior Tracking, and Email and Communication Services.

We’ll look into popular tools within each category, their specific use cases, and some of the notable companies that have successfully integrated these tools, providing insights into how they can be leveraged for maximum impact in your web app development journey.

1. Authentication Services


oauth logo

Use Case: OAuth allows secure login via social media or email accounts. It simplifies user onboarding and enhances user trust by leveraging existing credentials.

Users: Employed by Twitter for seamless social media account integrations.

Google Sign-In

Use Case: Simplifies the login process using Google accounts. It offers a quick and familiar login option, reducing friction for users.

Users: Utilized by Airbnb for its ease of use and security.


Use Case: Auth0 provides customizable authentication solutions, including multi-factor authentication and single sign-on. It offers flexibility and security.

Users: Used by The New York Times for secure, subscription-based user authentication.

2. Payment Gateways


paypal logo

Use Case: PayPal facilitates secure online transactions, building trust with users and providing a familiar payment method.

Users: Chosen by eBay for its reliability and user familiarity.


Use Case: Stripe offers flexibility and customization for transaction processing. It supports various payment methods, improving the user checkout experience.

Users: Selected by Amazon for some of its transaction processing needs.


Use Case: Ideal for small businesses managing online and offline transactions. It simplifies payment processing for both customers and merchants.

Users: Employed by Etsy to bridge online and offline transaction processing.

3. Cloud Storage

Amazon S3


Use Case: Used for scalable and secure data storage. It ensures data availability and reliability.

Users: Dropbox utilizes this 3rd party service for its vast data storage needs.

Google Cloud Storage

Use Case: Known for high-performance object storage, it provides global edge-caching capabilities for faster data retrieval.

Users: Spotify uses this 3rd party service to manage its extensive music library.

4. Analytics and User Behavior Tracking

Google Analytics

google cloud

Use Case: Tracks web traffic and user behavior for insights, helping businesses make data-driven decisions.

Users: Used by Coca-Cola for brand website engagement analysis.


Use Case: Enables detailed tracking of user interactions within apps, providing valuable insights into user engagement.

Users: Uber employs this 3rd party service for customer usage pattern analysis.


Use Case: Offers heatmaps and feedback tools for website optimization, allowing businesses to visualize user behavior.

Users: Microsoft utilizes this 3rd party service on some of its platforms to enhance website usability.

5. Email and Communication Services



Use Case: Manages large-scale email campaigns and transactional emails with high deliverability rates, ensuring effective communication with users.

Users: Spotify relies on this 3rd party service for email communication.


Use Case: Ideal for email marketing campaigns and audience segmentation, enabling personalized communication.

Users: TED Talks uses this 3rd party service for newsletters and audience communication.


Use Case: Provides APIs for SMS and voice communication, enabling direct and personalized communication with users.

Users: Airbnb uses this 3rd party service to enhance host-guest communication.

Certainly, let’s expand each category by adding more tools to them.

6. Location and Mapping Services


  • Use Case: Mapbox provides customizable maps and location-based services for web and mobile apps. It’s ideal for applications that require interactive and visually appealing maps, such as navigation apps, delivery services, and location-based social networks.
  • Users: Airbnb, Strava, and The Weather Channel use Mapbox to integrate maps and geospatial data into their applications.

Google Maps Platform

  • Use Case: Google Maps Platform offers a range of mapping services, including mapping, geocoding, and route optimization. It’s widely used for applications that need accurate location data and directions.
  • Users: Uber, Zillow, and Airbnb utilize Google Maps Platform for location-based features.

7. App Development and Infrastructure


firebase cloud messaging
  • Use Case: Firebase, a Google product, offers a suite of tools for app development, including real-time database, authentication, and hosting. It’s a versatile 3rd party service for building and scaling web and mobile apps quickly.
  • Users: Lyft, Shazam, and Venmo leverage Firebase to enhance their app functionality and user experience.


  • Use Case: Heroku is a cloud platform that simplifies application deployment and management. It’s favored by developers for its ease of use and scalability.
  • Users: GitHub, The New York Times, and Mailchimp host their applications on Heroku.

8. Search and Discovery


elasticsearch logo
  • Use Case: Elasticsearch is a powerful search and analytics engine. It’s commonly used for applications that require advanced search capabilities and real-time data indexing.
  • Users: Netflix, LinkedIn, and Wikipedia use Elasticsearch for content search and discovery.
  • Use Case: Amazon CloudSearch is a fully managed search service by AWS. It’s suitable for building scalable search functionality in web apps.
  • Users: Dropbox, Autodesk, and Samsung rely on Amazon CloudSearch for search capabilities.

9. Real-time Video and Voice Communication

Zoom Video SDK

zoom logo
  • Use Case: Zoom Video SDK allows developers to embed Zoom’s video and audio conferencing features into their applications. It’s valuable for creating virtual meeting and collaboration tools.
  • Users: Slack, Coursera, and ServiceNow integrate Zoom Video SDK for video communication.


  • Use Case: Agora provides real-time engagement APIs for voice, video, and interactive broadcasting. It’s used in a wide range of applications requiring live interactions.
  • Users: Xiaomi, Hike, and Reddit employ Agora for real-time communication features.

10. Customer Support and Engagement


freash desk
  • Use Case: Freshdesk is a customer support software that offers ticketing, chat, and self-service solutions. It’s valuable for providing multi-channel customer support.
  • Users: Honda, 3M, and Hugo Boss use Freshdesk to manage customer interactions.


  • Use Case: Intercom provides messaging and engagement tools for customer communication. It’s utilized for personalized customer engagement and support.
  • Users: Shopify, Atlassian, and Udemy engage with customers using Intercom’s platform.

These additional tools in each category expand the options available for web app developers, allowing them to select the most suitable 3rd party services based on their project requirements and goals.


Incorporating these 3rd party services isn’t just a choice; it’s a necessity for web app developers. These services are the linchpin of building web applications that not only function smoothly but also stand out in terms of security and user-friendliness. Whether it’s streamlining user logins with OAuth or gaining invaluable insights with Google Analytics, each service fulfills a pivotal role in augmenting the overall performance and usability of web apps.

In closing, it’s evident that 3rd party services are the bedrock upon which modern web application development is built. Their seamless integration is pivotal in delivering web experiences of the highest quality, ensuring that your applications remain competitive and innovative in an ever-evolving digital landscape.

As you reflect on your web development journey, consider the impact and potential of these services. Have you had the opportunity to incorporate any of these 3rd party solutions into your web projects?

We invite you to share your experiences below, fostering a discussion about how these indispensable tools are not just shaping but also revolutionizing the future of web app development.