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JTL DeveloperDocs

Learn how to build an app, theme, custom storefront, or marketplace. Whether you are just getting started, are deep in the development process, or ready to distribute and monetise your work, JTL's docs, dev tools and frameworks make building easy and efficient.

Check out the APIs

Before you start working with our product APIs, read the developer guide to understand the high-level concepts.

Sell your app

Sell your app: Launch, promote, and sell your apps and plug-ins in the JTL-Extension Store, our store for customisations and integrations.

Explore the docs
Find the tools, frameworks, and resources you need to build apps.
API for JTL-Wawi ERP System

Explore our REST APIs for our cloud or for the onpremise ERP system.

Cloud REST APIOnpremise REST APIJTL-Cloud APPsJTL-Cloud APPs Storybook
API for JTL-Shop

Find our documentation for plug-in and template development for our online shop system.

Plug-insPayment plug-insTemplatesChangelog
API for Marketplaces

See our documentation for our marketplace connection JTL-SCX.

REST APIDeveloper GuideChannel SDKAPI changelog
API for the JTL-Fulfillment Network

Connect your ERP, shop system or other management software to our network and reach thousands of customers.

REST APIsSDKTutorials and guides
API for JTL-Vouchers Cloud

Connect third-party shops, POS systems etc. to the JTL-Vouchers Cloud to manage vouchers.

REST APIsSDKTutorialsChangelog
API for third-party shops

See the documentation and Git repositories for our third-party shop connector JTL-Connector.

DocumentationGIT repositoriesUser documentationChangelog
Get help when you need it
Any questions? Our developer support channels are here to help you.

Developer community

We have a partner community join now for help and support.

Technical support for JTL-Extension Store

Get help with you apps and plug-ins for the JTL-Extension Store

Developer status page

Check the status of tools and services.

Ready to build?

Have a look at our documentation to get started.