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JSON Schemas

Comprehensive JSON Schema specifications for OpenMetadata entities, types, APIs, and configurations.

Overview

OpenMetadata Standards 2.0 includes 911 JSON Schema files that define the structure, validation rules, and documentation for all metadata entities and types.

The snapshot is synchronized from OpenMetadata's 2.0.0-release tag. See the 2.0 schema change inventory for provenance, compatibility notes, and the complete file-level delta.

Schema Categories

Entity Schemas

Complete schemas for all metadata entities:

  • Data Assets: Tables, topics, dashboards, pipelines, ML models
  • Services: Database, messaging, dashboard, pipeline services
  • Governance: Glossaries, tags, policies, classifications
  • Teams & Users: Organizations, teams, users, roles, personas
  • Observability: Data quality, profiling, lineage, usage metrics

Type System

Rich type definitions including:

  • Basic types (UUID, email, timestamp, markdown)
  • Collection types (arrays, entity references)
  • SQL and programming data types
  • Custom properties and extensions

API Schemas

OpenAPI specifications for RESTful operations

Event Schemas

Change events, lifecycle events, and audit logs

Configuration Schemas

Service connectors and system configurations