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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

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 2023 (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.


Make sure you have the following installed:

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.



See the following resources to get you started:

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


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

See for more details.


Project Architects

Raymond Feng Miroslav Bajtoš
raymondfeng bajtos

Project Maintainers

Diana Lau Janny Hou Hage Yaapa
dhmlau jannyhou hacksparrow
Agnes Lin Mario Estrada Hugo Da Roit
agnes512 marioestradarosa yaty
Dominique Emond Denny Bartelt Douglas McConnachie
emonddr derdeka dougal83
Rifa Achrinza Francisco Buceta Matthew Schnee
achrinza frbuceta mschnee
Nora Abdelgadir Madaky Nico Flaig
nabdelgadir madaky nflaig

See all contributors.