The ERP API lets you read and manipulate data in JTL-Wawi: orders, products, customers, invoices, inventory, and more. It is available as a REST API (all versions) and, starting with v2.0, as a GraphQL API.Documentation Index
Fetch the complete documentation index at: https://developer.jtl-software.com/llms.txt
Use this file to discover all available pages before exploring further.
Integration Overview
Auth, headers, deployment variants, and how to make your first call.
GraphQL Playground
Available in v2.0. Browse the schema and run queries interactively.
OpenAPI Spec
Download the spec for any supported version. Import into Postman, Insomnia, or generate a client.| Version | Status | Spec |
|---|---|---|
| v2.0 | Latest, recommended | Download JSON |
| v1.3 | Supported | Download JSON |
| v1.2 | Supported | Download JSON |
| v1.1 | Supported | Download JSON |
| v1.0 | Supported | Download JSON |