LoopBack makes it easy to build modern applications that require complex integrations.

Fast, small, powerful, extensible core
Generate real APIs with a single command
Define your data and endpoints with OpenAPI
No maintenance of generated code

Status: General Availability

LoopBack 4 GA (General Availability) has been released in October 2018, read more in the announcement post.

The documentation website is https://loopback.io/doc/en/lb4/.

Learn about the latest and greatest features and technologies in LoopBack 4 by using it for your next project. Start by having a look at Getting Started.

Check the API documentation for all the API usages in each package.

Long Term Support

We don't provide any LTS version for LoopBack 4 yet. Please join the discussion in loopback-next#4398 if you are interested in a version that's less frequently changed.

We are providing Maintenance support for LoopBack 3 until December 2020.

Version	Status	Published	EOL
LoopBack 4	Current	Oct 2018	Apr 2025 (minimum)
LoopBack 3	End-of-Life	Dec 2016	Dec 2020
LoopBack 2	End-of-Life	Jul 2014	Apr 2019

Please refer to our Long Term Support Policy for more details.

Installation

Make sure you have the following installed:

Package	Version/-s	Link	Note
Node.js	Maintenance LTS (v14) Active LTS (v16) Current (v17 & v18)	https://nodejs.org/en/about/releases/	The use of the current version for production is not recommended.

Install LoopBack 4 CLI to help create new projects as follows:

npm i -g @loopback/cli

To create your first LoopBack 4 application, see Getting Started.

Documentation

Contributing

See the following resources to get you started:

You can join the team by posting a comment to issue #110.

Security

If you think you have discovered a new security issue with any LoopBack package, please do not report it on GitHub. Instead, send an email to [email protected] with a full description and steps to reproduce.

See SECURITY.md for more details.

Team

Project Architect

Raymond Feng

Technical Steering Committee

Raymond Feng	Diana Lau	Mario Estrada	Rifa Achrinza	Francisco Buceta

Other Project Maintainers

Nora Abdelgadir	Matthew Schnee	Hage Yaapa

Agnes Lin	Madaky	Hugo Da Roit

Nico Flaig	Denny Bartelt	Douglas McConnachie

Samarpan Bhattacharya

See all contributors.

Alumni

License

MIT

Project Name	Stars	Repos Using This	Packages Using This	Most Recent Commit	Total Releases	Latest Release	Open Issues	License	Language
Loopback Next	4,471	162	291	2 days ago	133	August 25, 2022	242	other	TypeScript
LoopBack makes it easy to build modern API applications that require complex integrations.
Fabric Sdk Rest	79			4 years ago				apache-2.0	JavaScript
Read-only mirror of https://gerrit.hyperledger.org/r/#/admin/projects/fabric-sdk-rest
Loopback Workspace	46	34	16	2 years ago	117	October 16, 2020		other	JavaScript
Manage a directory of LoopBack projects for a user, team, or organization
Aor Loopback	44	8		3 years ago	23	March 06, 2018	8	mit	JavaScript
Loopback-style REST Client for Admin-on-rest
Loopback Upload	28			6 years ago			4		JavaScript
This project is for demonstrating how to implement file upload functionality using the NodeJS framework LoopBack, creating a reference on how to recreate it step by step.
Multi Tenant Loopback Example	22			7 years ago			5		JavaScript
A sample which demonstrates how to achieve multi-tenancy in loopback apps
Loopback Connector Remote	19	820	10	2 years ago	22	January 22, 2019	1	other	JavaScript
LoopBack remote REST API connector
Loopback Docs Chinese	13			5 years ago
Loopback 中文文档
Http Query Filter	11			3 years ago	17	July 16, 2020		mit	C#
Project-based filter system StrongLoop Node.js API Platform developed by IBM Company.
Querifier	9			7 months ago			5	mit	Ruby
Querifier is a ruby gem that brings Convention Over Configuration to your API's filters

Loopback Next