Model Catalog REST API

API Reference for Model Catalog (a Kubeflow Model Registry component)

This document describes the API specification for the Model Catalog REST API.

About the Model Catalog

The Model Catalog Service provides a read-only discovery service for ML models across multiple catalog sources. It acts as a federated metadata aggregation layer, allowing users to search and discover models from various external catalogs through a unified REST API.

For more information on Model Catalog, check the component documentation.

Swagger UI

The following Swagger UI is automatically generated from the 0.2.21 version of the Model Catalog REST API.

Note

The try it out feature of Swagger UI does not work due to authentication and CORS, but it can help you construct the correct API calls.

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Last modified August 6, 2025: model-registry: Add Swagger for Model Catalog (#4169) (1c947275)