Amazon API Gateway vs Firebase

Discover how Amazon API Gateway compares to Firebase, 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.

When to use Amazon API Gateway

Pros and cons of Amazon API Gateway

What is Firebase?

Firebase is a cloud-native backend by Google that allows developers to build mobile and web applications. Firebase services include Firebase Realtime data, Firestore database, authentication, and Firebase Cloud Messaging (FCM), among others.

When to use Firebase

Pros and cons of Firebase

Compare Amazon API Gateway and Firebase

Let’s compare Amazon API Gateway and Firebase, looking at key dimensions such as their core features, pricing, integrations & interoperability, quality of service, performance & availability and security & compliance.

Disclaimer: This comparison was created based on documentation and resources freely available online about Amazon API Gateway and Firebase. The content was last updated on 24 Apr 2025 for Amazon API Gateway and on 16 May 2025 for Firebase. Be sure to double-check everything before you make any decisions. If you do find anything incorrect or out of date, then please let us know.

Alternatives to Amazon API Gateway and Firebase

While both Amazon API Gateway and Firebase 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.

See more alternatives to Amazon API Gateway

Alternatives to Firebase

Supabase Realtime is a globally distributed real-time server network built on PostgreSQL, enabling developers to build applications with real-time data sync.

Pusher is a first-generation pub/sub messaging service that provides bi-directional hosted APIs for adding realtime features to applications.

OneSignal is a customer engagement platform that offers push notifications, messages, and email sends for businesses to manage communication with their users.

See more alternatives to Firebase

Discover how Amazon API Gateway and Firebase stack up against Ably

Ably is the definitive realtime experience platform of the internet. See how we compare to Amazon API Gateway and Firebase on key dimensions such as core features, pricing, integrations, QoS, performance, and security and compliance.

Ably vs Amazon API Gateway Ably vs Firebase

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	Amazon API Gateway	Firebase	Why this matters
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	Firebase Partial Firebase does not natively support Pub/Sub messaging. However, this can be implemented with Google's Pub/Sub service. Read more	Reduces communication code complexity, simplifying the process of building highly functional and architecturally complex realtime apps.
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.	Firebase Yes You can build chat capabilities on top of Firebase's Realtime Database.	Accelerates the time to implement rich chat experiences with features such as read receipts, typing indicators, and more.
Collaboration capabilities	Enables you to quickly integrate realtime collaborative features like live cursors, member location, avatar stacks, and component locking.	Amazon API Gateway Yes	Firebase Yes	Enables you to quickly integrate realtime collaborative features like live cursors, member location, avatar stacks, and component locking.
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.	Firebase Yes The Firebase Realtime Database lets you store and sync data between your users in real time. Read more	Enables realtime data synchronization across devices and users, ensuring a cohesive and up-to-date user experience.
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	Firebase Yes Firebase Realtime Database natively supports presence. Read more	Maintaining a view of which users are connected, and their associated metadata, enables their online status to be updated in realtime.
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.	Firebase Partial Firebase does not have built-in support for occupancy tracking. However, occupancy tracking functionality can be built on top of the Firebase Realtime Database.	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.
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.	Firebase Partial Message interactions are not natively supported in Firebase. However, you can programmatically build interactions on top of Firebase's Realtime Database.	Enables interaction with previously-sent messages, facilitating the implementation of features like message reactions and threads.
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.	Firebase No	Enables clients to catch up on missed messages when inactive, ensuring a user doesn’t miss any important messages.
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.	Firebase Yes You can create, send, and monitor push notifications using Firebase Cloud Messaging. Read more	Cross-platform push notifications make it possible to deliver important and timely messages to users even when they’re inactive.
Message delta compression	Minimizes bandwidth and can reduce latency, particularly in scenarios where continuous updates are sent.	Amazon API Gateway No	Firebase No	Minimizes bandwidth and can reduce latency, particularly in scenarios where continuous updates are sent.
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.	Firebase Yes Firebase projects can be managed programmatically using the Firebase Management API.	Enables the automation of provisioning, management, and testing of service resources, simplifying integration with existing development workflows such as CI.
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	Firebase Yes The Spark plan (free plan) realtime database is limited to 100 simultaneous connections and 1 GB of storage. Read more	With a free plan, you can test the service’s functionality and compatibility with your project before committing to a paid plan.
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. See more information	Firebase Firebase offers a pay-as-you-go pricing plan, called Blaze, based on the services you use and the amount of unit costs incurred. Firebase pricing is usage-based, with most services charging per read, write, storage, and bandwidth. There are two main realtime database options, and other tools that can impact cost depending on your app architecture. Read more	The pricing model should align with your project's expected load, usage patterns, and budget in order to be cost-effective and efficient.
Pricing plans	The pricing plans offered by cost.	Amazon API Gateway Free plan: Up to 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. PAYG plan: The first 1 billion requests per month cost $1.00 per million requests. See more information	Firebase Free (Spark) plan: Limited to 100 simultaneous connections and 1 GB of storage. PAYG (Blaze) plan: 1 GB of storage is priced at $5. Supports multiple databases per project.	The pricing plans offered by cost.
Integrations & interoperability
SDKs	Supporting multiple languages and platforms offers greater flexibility when building cross-platform realtime apps.	Amazon API Gateway Node.js Javascript React Native Go C++ Java Kotlin .NET PHP Python Ruby Swift	Firebase iOS Android Web C++ Unity	Supporting multiple languages and platforms offers greater flexibility when building cross-platform realtime apps.
Supported realtime protocols	Support for multiple protocols provides the flexibility to choose a protocol that best suits your project’s requirements.	Amazon API Gateway WebSockets	Firebase WebSockets Server-sent events (SSEs)	Support for multiple protocols provides the flexibility to choose a protocol that best suits your project’s requirements.
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 AWS Lambda	Firebase Firebase supports serverless functions through Cloud Functions for Firebase. Read more	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.
Streaming & queueing	Provides a dependable method to reroute messages from the service to third-party streams and queues for further processing.	Amazon API Gateway No API Gateway does not support message queueing, but Amazon SQS can. Read more	Firebase Yes	Provides a dependable method to reroute messages from the service to third-party streams and queues for further processing.
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.	Firebase Yes Using Firebase Performance Monitoring you can monitor your application performance based on location, device, or version.	Enables realtime monitoring and troubleshooting by offering insights into service behavior directly in your observability platform of choice.
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: AWS CodePipeline	Firebase Yes Supports: Jenkins Buddy CI/CD Google Cloud Build GitHub Workflow	Makes it possible to provision and configure service infrastructure as part of a CI or CD pipeline, enabling repeatable and reliable deployments.
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.	Firebase Firebase is limited to 200k simultaneous connections (100 for Spark plan), 1000 Cloud Functions per write (500 for v2 per region), 1 MB event size, and 10 MB/sec data transfer to Cloud Functions.	Scalability is vital as it ensures the service can handle increased data load or users without compromising performance.
Guaranteed message delivery	Ensures messages are never lost during transmission, even in the presence of network disruptions.	Amazon API Gateway No	Firebase No	Ensures messages are never lost during transmission, even in the presence of network disruptions.
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	Firebase No	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.
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	Firebase No	Guarantees that each message is processed exactly once, preventing data inconsistencies that can arise from duplicate processing or missing messages.
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	Firebase 99.95%. Read more	An uptime guarantee instills confidence in the reliability of the service and protects your business from the negative impacts of downtime.
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	Firebase Yes Firebase's global CDN (content delivery network) supports a global edge network by integrating with Google Cloud Platform (GCP), with edge PoPs spanning over 180 internet exchanges and over 160 interconnection facilities worldwide. Read more	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.
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	Firebase Partial Firebase supports multi-region data replication, primarily through Cloud Firestore locations, but this is not supported in Firebase Realtime Database. Read more	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.
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	Firebase Yes Firebase's design uses Google Cloud Platform's infrastructure, which implements redundancy and automatic failover features.	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.
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.	Firebase Unknown.	Low latency is crucial for realtime apps as it ensures swift and efficient data transmissions, providing a smoother and more responsive user experience.
Security & compliance
API key authentication	Simplifies the authentication code on trusted servers compared to requesting, managing, and refreshing tokens.	Amazon API Gateway Yes	Firebase Yes	Simplifies the authentication code on trusted servers compared to requesting, managing, and refreshing tokens.
Token-based authentication	Provides a means to securely authenticate user devices against your user management system.	Amazon API Gateway Yes	Firebase Yes Supported with JSON Web Tokens (JWTs). Read more	Provides a means to securely authenticate user devices against your user management system.
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	Firebase Yes SSO in a Firebase application can be implemented using SAML (Security Assertion Markup Language). Read more	SSO streamlines login processes, boosts security by minimizing password use, and meets compliance needs for secure data access management.
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	Firebase Yes Using Firebase Realtime Database Security Rules you can set who has access to your database. Read more	Provides control over which users can subscribe and publish to certain channels.
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 Yes Data in transit is encrypted using HTTPS in Amazon API Gateway. Read more	Firebase No Data in transit is encrypted using HTTPS in all Firebase services, but this does not include end-to-end encryption. Read more	Ensures that the data transmitted between the client and the API server remains confidential and secure while in transit.
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	Firebase Partial Some Firebase services are encrypted at rest while others are not. Firebase Realtime Database and Firebase Cloud Messaging are encrypted at rest. Read more	Ensures data stored by the service is secure and compliant, while also mitigating the risks of a data breach.
Compliance	Compliance with regulations can impact your ability to meet legal obligations in your industry.	Amazon API Gateway SOC1 SOC2 SOC3 PCI DSS Level 1 ISO 20000 ISO 22301 ISO 27001 ISO 27017 ISO 27701 Read more	Firebase Firebase ensures compliance with international and industry standards for security and privacy standards including: GDPR CCPA ISO 27001 SOC 1 SOC 2 SOC 3 Read more	Compliance with regulations can impact your ability to meet legal obligations in your industry.