App SDKs

The Shopware app SDK enables you to build applications and plugins that extend the functionality of the Shopware e-commerce platform. It provides the necessary resources and tools to simplify the development process and integrate custom logic into the Shopware environment.

Layer	Type	Core strengths	Security / ops	What it lacks	Registration flow	Lifecycle handling	Webhook handling	Authenticated HTTP client	Storage / persistence	Storage backends	Structured errors	Framework integration	Agnostic core
Meteor Admin SDK	Frontend	Admin UI extensions for apps and plugins	Extends the Shopware Admin UI; notifications, context/location access, UI/data integration; TypeScript; dependency-free; tree-shakable	Not relevant as a backend/ops SDK	No backend capabilities such as registration, webhook verification, lifecycle handling, or shop persistence	No	No	No	No	No	None	No	N/A
App SDK for PHP	Backend	PHP / Symfony-style app backends	Strong core backend coverage: registration, lifecycle, action parsing into structs, events, signing, context handling, HTTP client; PSR-based; Symfony Bundle available	Solid fundamentals	Less explicit support for replay protection, storage backends, response builders, structured errors, and middleware/extensibility	Yes	Yes	Yes	Yes	Some abstraction, but not a major feature	Not prominently surfaced	Not prominently surfaced	Symfony Bundle
App Server SDK in TypeScript	Backend	TS/JS backends, Node, Deno, Cloudflare Workers, serverless / edge	Runtime portability; strong story around registration, signing/verification, preconfigured API client, complete registration handshake	Good portability	Less explicit coverage for lifecycle handling, webhook ergonomics, storage/persistence, structured errors, and response helpers	Yes	Not strongly surfaced	Not strongly surfaced	Yes	Not clearly surfaced	Not prominently surfaced	Not prominently surfaced	Example-led, less framework-focused