Backend as a Service (BaaS)

Store and query relational data on the cloud. Make it accessible over GraphQL and REST with a scalable, open-source backend.

Real-Time Database

Cloud Functions

GraphQL, Rest & SDK

Authentication

File
Storage

Blockchain Storage

Notifications

Real-time database

Store and query relational data
in real-time, globally

Spin up a new database in minutes with Back4App. Effortlessly define your relational data model using either our intuitive UI or programmatically via GraphQL, REST, or SDKs. Perform diverse queries using advanced resources: relational queries, geo-queries, constraints, and aggregates.

Get data delivered in real-time to subscribed clients using Live Queries.

Store data locally and get you users served even if they are offline (for supported SDKs).

Enjoy responsiveness and low latency with our scalable, multi-region architecture and CDN support.

Cloud Functions

Add Server-side business logic using Cloud Code Functions

Add business logic to your application using javascript functions that conveniently integrate with back4app features like database and authentication. Cloud Functions can run in response to a change in your application's data, a user sign-up, or simply an API call, with even more capabilities.

What are serverless functions?

Install new NPM modules to expand the power of your cloud functions and create external integrations;

Schedule your Cloud Functions
to execute recurring tasks like sending engagement emails,
push notifications, or running
data sanitization processes.

Run your backend code without managing servers. Cloud Functions are single-purpose Javascript functions that are executed in a secure, scalable, managed Node.js environment.

GraphQL, Rest, & SDKs

We speak your language

Fetch data from your application using GraphQL, REST or your preferred SDK. Create your backend in minutes. Our automatically generated APIs include endpoints for all operations and make easy for your to interact with all backend features with few lines of code.

How to build a GraphQL API?How to build a REST API?

The code generator produces code for the 7 most used programming languages so you don't have to worry about learning curve.

Choose from over ten native SDKs to make your development experience a lot faster and easier.

Three flavors of Consoles to help you build
and debug: GraphQL with auto-complete
support, REST with query support and Javascript with integrated SDK.

Authentication

Complete user management system

Our fully integrated system removes the headache of user management and lets you build user sign-up and login features that automatically handle most of the work for you.

All user management tasks ready for use: check prior existence, check authenticity of emails, encrypted passwords, session control, user data association.

The native security features allows you a flexible access control. Our granularity of permissions goes as deep as the Object level.

Out of the box support to Google SignIn, Sign In with Apple, Facebook Login, and Twitter Login, and more.

File Storage

Easy, secure cloud file storage and
delivery

Seamless store any files on the cloud, fully integrated with your Databases.
Our blazing fast CDN lets you store and deliver
any content you need for your app, like images,
videos, or ads. Our system is redundant and scalable and extremely cost-effective. You upload your content, we handle the rest.

Blockchain Storage

Get started on web3 with blockchain data storage

From rare game items to official documents, saving data to the Blockchain to provide concrete proof of authenticity and property has never been easier. Select which classes should persist data and you are done in as few as two mouse clicks.

Notifications

Validate, engage, communicate with
users using notifications

Quickly set up notifications that allow you to verify emails or pull users back into your app.
Notifications can even help trigger sales or
engagement using geofencing technology that
responds to where your users are.

What are Push Notifications?