See your architecture,not just your spec.
Drop an OpenAPI or AsyncAPI file. See domains, services, messages, and how they flow — the way your whole team should see your system.
Drop your spec file here
OpenAPI or AsyncAPI · YAML or JSON
No file handy? Try one of these:
Or explore a full catalog with multiple servicesRuns in your browser. Nothing leaves your machine.
Spec viewers show endpoints. This shows architecture.
One file gives you a service page. Multiple files give you a map of your entire system — organized by domain, owned by teams, searchable by anyone.
Domains, not folders
Group services by business capability. See who owns what.
Visualize flows
Trace how messages move from producer to consumer across your system.
Search everything
Find any event, schema, or service. Ask "who publishes OrderCreated?"
Sync from source
Pull from OpenAPI, AsyncAPI, or schema registries. Stays current without manual updates.
Open source · Self-hosted · Your data never leaves your infrastructure
This is one file. Imagine your whole system.
The full EventCatalog handles hundreds of services — with versioning, team ownership, and search across every domain.
Open source · Self-hosted · Your data stays yours