Amazon API Gateway vs Socket.IO
Discover how Amazon API Gateway compares to Socket.IO, and understand which is right for your use case, based on dimensions such as core features, pricing, reliability, and scalability.
What is Amazon API Gateway?
Amazon API Gateway is a pay-as-you-go service for building, deploying, and managing RESTful APIs and WebSocket APIs. It handles traffic management, CORS support, access and authentication, version management, and more.
Suitable for:
- Realtime chat applications
- Online collaborative apps
- Multiplayer gaming
- Realtime analytics
- Monitoring services
Not suitable for:
- Heavy data transfers
Pros:
- Pre-built adapters
- Fine-grained security features
- Scalable
- Multiple SDKs
Cons:
- Complex setup
- Learning curve
- Enterprise-focused
What is Socket.IO?
Socket.IO is a library created in 2010 that provides realtime, bi-directional communication between clients and servers. It allows the management of connections, sending and receiving messages, and more. Built on top of the WebSocket protocol, it provides additional capabilities compared to raw WebSockets. WebTransport (a WebSocket alternative) is also supported.
Suitable for:
- Chat and messaging
- Dashboards
- Mulitplayer games
Not suitable for:
- Audio & video
Pros:
- Multiplexing and data broadcast support
- Disconnection detection and automatic reconnections
- Adapters for horizontal scaling
- Fallback support
Cons:
- Message ordering guarantees are at most once / least once only
- Memory leakage issues
- Not multi-region
Compare Amazon API Gateway and Socket.IO
Let’s compare Amazon API Gateway and Socket.IO, looking at key dimensions such as their core features, pricing, integrations, QoS, performance, and security and compliance.
Disclaimer:This comparison was created based on documentation and resources freely available online about Amazon API Gateway and Socket.IO. The content was last updated on 10 Oct 2024 for Amazon API Gateway and on 26 Sept 2024 for Socket.IO. Be sure to double-check everything before you make any decisions. If you do find anything incorrect or out of date, then please contact us.
| Core features | |||
Pub/Sub messaging | Reduces communication code complexity, simplifying the process of building highly functional and architecturally complex realtime apps. | Amazon API Gateway No | Socket.IO No Need to rely on a third party - e.g. use a Redis adapter to broadcast events to clients through the Redis pub/sub mechanism. Read more |
Chat capabilities | Accelerates the time to implement rich chat experiences with features such as read receipts, typing indicators, and more. | Amazon API Gateway Partial API Gateway does not natively support chat capabilities. However, this can be achieved using different AWS services like Lambda and DynamoDB. | Socket.IO Partial As it's a library, you need to create the chat capabilities yourself. But this can be done using Socket.IO. |
Collaboration capabilities | Enables you to quickly integrate realtime collaborative features like live cursors, member location, avatar stacks, and component locking. | Amazon API Gateway Yes | Socket.IO Partial As it's a library, you need to implement collaboration capabilities yourself. But you can do this using Socket.IO itself. |
State sync capabilities | Enables realtime data synchronization across devices and users, ensuring a cohesive and up-to-date user experience. | Amazon API Gateway Partial API Gateway does not natively support state synchronization, but it can be achieved through integration with services like Amazon DynamoDB, AWS AppSync, AWS Lambda, and Amazon S3. | Socket.IO No The library does not support this. You would need to create a bespoke state sync capability or integrate a third party library to get state synchronisation. |
Presence | Maintaining a view of which users are connected, and their associated metadata, enables their online status to be updated in realtime. | Amazon API Gateway No | Socket.IO Partial It is the duty of your application to link a Socket.IO connection to a user account. Read more |
Occupancy | High-level metrics about the clients currently connected to a channel make it simple to show things such as connected user count, or display which channels are the most popular. | Amazon API Gateway Partial API Gateway does not have built-in support for occupancy tracking. Occupancy tracking functionality requires integration with AWS Lambda, DynamoDB, or ElastiCache. | Socket.IO |
Message interactions | Enables interaction with previously-sent messages, facilitating the implementation of features like message reactions and threads. | Amazon API Gateway Partial Message interactions are not natively supported in API Gateway. However, you can programmatically build interactions on the application layer with AWS Lambda. | Socket.IO Partial You would need to build the message interaction functionality yourself on top of Socket.IO. Learn more |
Message history | Enables clients to catch up on missed messages when inactive, ensuring a user doesn’t miss any important messages. | Amazon API Gateway Partial You can custom build message history functionality on Amazon DynamoDB and Amazon S3, but it's not supported natively in API Gateway. | Socket.IO No The Socket.IO server does not store messages. Your application has to persist messages somewhere for the clients that are not currently connected. Learn more |
Push notifications | Cross-platform push notifications make it possible to deliver important and timely messages to users even when they’re inactive. | Amazon API Gateway Partial API Gateway doesn't natively support push notifications, but you can build them be integrating with Amazon SNS or AWS Amplify. | Socket.IO No Socket.IO not support Push notifications. You would need to build this capability yourself and/or use another library. Learn more |
Message delta compression | Minimizes bandwidth and can reduce latency, particularly in scenarios where continuous updates are sent. | Amazon API Gateway No | Socket.IO No |
Programmatic management | Enables the automation of provisioning, management, and testing of service resources, simplifying integration with existing development workflows such as CI. | Amazon API Gateway Yes Fully supported through AWS SDKs, the CLI, and CloudFormation. | Socket.IO Yes The Socket.IO server is initialised in code. It is possible to configure the socket.IO server's configuration in code as well. Learn more |
| Pricing | |||
Free plan | With a free plan, you can test the service’s functionality and compatibility with your project before committing to a paid plan. | Amazon API Gateway Yes The Amazon API Gateway free tier includes one million API calls received for REST APIs, one million API calls received for HTTP APIs, and one million messages and 750,000 connection minutes for WebSocket APIs per month for up to 12 months. Read more | Socket.IO Yes Open Source framework that uses the MIT license. |
Pricing model | The pricing model should align with your project's expected load, usage patterns, and budget in order to be cost-effective and efficient. | Amazon API Gateway API Gateway has a free plan and a pay-as-you-go plan:
| Socket.IO Open Source framework that uses the MIT license. |
| Integrations & interoperability | |||
SDKs | Supporting multiple languages and platforms offers greater flexibility when building cross-platform realtime apps. | Amazon API Gateway
| Socket.IO Client and Server APIs only.
|
Supported realtime protocols | Support for multiple protocols provides the flexibility to choose a protocol that best suits your project’s requirements. | Amazon API Gateway
| Socket.IO
|
Serverless functions | Enables integration with third-party cloud providers by facilitating the execution of custom code against messages to perform business logic like on-the-fly translation. | Amazon API Gateway
| Socket.IO No It is not possible to trigger serverless functions with Socket.IO on it's own. See this Reddit post for more info |
Streaming & queueing | Provides a dependable method to reroute messages from the service to third-party streams and queues for further processing. | Amazon API Gateway | Socket.IO No Socket.IO does not offer native queues and streaming. |
Observability services | Enables realtime monitoring and troubleshooting by offering insights into service behavior directly in your observability platform of choice. | Amazon API Gateway Yes Amazon API Gateway logs API calls, latency, and error rates to Amazon CloudWatch in your AWS account. | Socket.IO Yes The Socket.IO admin UI can be used to have an overview of the state of your Socket.IO deployment. |
CI/CD tools | Makes it possible to provision and configure service infrastructure as part of a CI or CD pipeline, enabling repeatable and reliable deployments. | Amazon API Gateway Yes Supports:
| Socket.IO No |
| Quality of Service | |||
Scalability | Scalability is vital as it ensures the service can handle increased data load or users without compromising performance. | Amazon API Gateway AWS API Gateway is scalable, supporting high connection rates, numerous routes and integrations, and long-lived connections without explicit concurrent connection limits. You can find more info on limits here. | Socket.IO No published metrics. Socket.IO servers don’t communicate between them, so you need a way to route events to all clients, even if they are connected to different servers. This is made possible by using adapters, of which the Redis adapter seems to be the most popular choice. |
Guaranteed message delivery | Ensures messages are never lost during transmission, even in the presence of network disruptions. | Amazon API Gateway No | Socket.IO Partial By default, Socket.IO provides an "at most once" guarantee of delivery. From the client side, you can achieve an at least once guarantee with acknowledgements and timeouts. |
Guaranteed message ordering | Maintains the sequence of messages as they were sent. This is particularly important in apps where the chronological order of messages is essential for meaningful communication. | Amazon API Gateway No | Socket.IO |
Exactly-once message delivery | Guarantees that each message is processed exactly once, preventing data inconsistencies that can arise from duplicate processing or missing messages. | Amazon API Gateway No | Socket.IO No At least once or at most once only. |
| Performance & availability | |||
Uptime Guarantee | An uptime guarantee instills confidence in the reliability of the service and protects your business from the negative impacts of downtime. | Amazon API Gateway 99.95%. Read more | Socket.IO No It is a library, not a platform. |
Global edge network | By bringing servers (Points of Presence, or PoP) geographically closer to the devices of end users, and routing requests to the nearest PoP, global latency is reduced to a minimum. | Amazon API Gateway Yes API Gateway API endpoints can be configured to be closer to where the majority of your traffic is originating from. Read more | Socket.IO No |
Multi-region data replication (message durability) | By replicating data across multiple regions, the risk of data loss or downtime is greatly mitigated since if data is lost or a server fails in one region, the information can be retrieved from another. | Amazon API Gateway Partial API Gateway supports multi-region data replication only when integrated with Amazon CloudFront. Read more | Socket.IO No |
No single point of failure or congestion | Having no single point of failure means a system is resilient and can continue to operate even if one part fails. Avoiding a single point of congestion ensures messages flow efficiently across the system and avoids bottlenecks that could lead to performance issues under load. | Amazon API Gateway No | Socket.IO No As Socket.IO is a library, the implementation of it dictates points of failure and congestion. |
Latency | Low latency is crucial for realtime apps as it ensures swift and efficient data transmissions, providing a smoother and more responsive user experience. | Amazon API Gateway Unknown. | Socket.IO Unknown |
| Security & compliance | |||
API key authentication | Simplifies the authentication code on trusted servers compared to requesting, managing, and refreshing tokens. | Amazon API Gateway Yes | Socket.IO No |
Token-based authentication | Provides a means to securely authenticate user devices against your user management system. | Amazon API Gateway Yes | Socket.IO No No native Token based auth. It is possible to use middlewares. |
Single Sign-On (SSO) authentication | SSO streamlines login processes, boosts security by minimizing password use, and meets compliance needs for secure data access management. | Amazon API Gateway Yes AWS API Gateway supports SSO by integrating with identity providers such as OpenID Connect (OIDC) and SAML. Read more | Socket.IO No No native SSO. It is possible to use middlewares. |
Rules for permissions and operations | Provides control over which users can subscribe and publish to certain channels. | Amazon API Gateway Yes Rules for permissions and operations can be configured using AWS Identity and Access Management. Read more | Socket.IO No |
End-to-end encryption | Ensures that the data transmitted between the client and the API server remains confidential and secure while in transit. | Amazon API Gateway | Socket.IO No |
Encryption at rest | Ensures data stored by the service is secure and compliant, while also mitigating the risks of a data breach. | Amazon API Gateway Partial It is possible to encrypt data at rest using AWS SDKs or AWS CLI when creating a file system. This is not done automatically. Read more | Socket.IO No |
Compliance | Compliance with regulations can impact your ability to meet legal obligations in your industry. | Amazon API Gateway
| Socket.IO None. |
Alternatives to Amazon API Gateway and Socket.IO
While both Amazon API Gateway and Socket.IO are worth considering as options for realtime experiences, they aren’t without their limitations. We suggest evaluating them against the following alternatives to make sure you find the right solution for your needs.
Alternatives to Amazon API Gateway
AWS AppSync enables developers to seamlessly handle and synchronize mobile app data in real-time across multiple devices and users.
Socket.IO is a library that provides realtime, bi-directional communication between clients and servers. It allows the management of connections, sending and receiving messages, and more.
Pusher is a first-generation pub/sub messaging service that provides bi-directional hosted APIs for adding realtime features to applications.
Alternatives to Socket.IO
Azure SignalR is an Azure-hosted, fully managed realtime framework built on top of an open-source software library for Microsoft ASP.NET.
Firebase Realtime Database is a cloud-hosted database by Google, allowing developers to build realtime applications for web and mobile.
PubNub is a developer API platform that powers the realtime infrastructure in apps to build engaging Virtual Spaces where online communities can connect.
Discover how Amazon API Gateway and Socket.IO stack up against Ably
Ably is the definitive realtime experience platform of the internet. See how we compare to Amazon API Gateway and Socket.IO on key dimensions such as core features, pricing, integrations, QoS, performance, and security and compliance.
Try Ably for free to discover the benefits for yourself
Ably has built reliable realtime infrastructure so you don’t have to. On our free plan you benefit from:
- 6M monthly messages
- 200 concurrent channels
- 200 concurrent connections
