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Apicurio

Apicurio is an open source API and schema tooling platform maintained by Red Hat under the Apache 2.0 license. It includes Apicurio Registry (a high-performance schema and API design registry), Apicurio Studio (a visual API designer for OpenAPI and AsyncAPI), Apicurio Data Models (a data modeling library), Apicurio Codegen (Java code generation from OpenAPI), and Apicurito (an embedded API editor).

Apicurio publishes 19 APIs on the APIs.io network, including Admin API, AI API, Artifact rules API, and 16 more. Tagged areas include Apache License, API Design, API Registry, Avro, and AsyncAPI.

Apicurio’s developer surface includes authentication, engineering blog, and 3 more developer resources.

🌐 Visit website 📡 Source on GitHub
33.9/100 thin ▬ flat Agent 34/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
23 APIs
Apache LicenseAPI DesignAPI RegistryAvroAsyncAPIJavaOpen SourceOpenAPIRed HatSchema Registry

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 33.9/100 · thin
Contract Quality 12.8 / 25
Developer Ergonomics 2.6 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 0.0 / 12
Discoverability 6.5 / 10
Agent readiness — 34/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 4 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/apicurio: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 23

Individual APIs this provider publishes, each with its own machine-readable definition.

Apicurio Registry

Apicurio Registry is a high-performance, runtime registry for schemas and API designs. It stores and manages OpenAPI, AsyncAPI, Avro, JSON Schema, Protobuf, and other artifact t...

Apicurio Studio

Apicurio Studio is a visual, zero-code API design tool for creating and editing OpenAPI and AsyncAPI specifications. Note: Apicurio Studio is deprecated in favor of the integrat...

Apicurio Data Models

Apicurio Data Models is a Java and TypeScript library for parsing, validating, and manipulating OpenAPI and AsyncAPI specification documents programmatically.

Apicurio Codegen

Apicurio Codegen generates Java JAX-RS server stubs and client code from OpenAPI specifications, enabling design-first API development workflows.

Apicurio Admin API

The Admin API from Apicurio — 17 operation(s) for admin.

Apicurio AI API

The AI API from Apicurio — 1 operation(s) for ai.

Apicurio Artifact rules API

The Artifact rules API from Apicurio — 2 operation(s) for artifact rules.

Apicurio Artifact Type API

The Artifact Type API from Apicurio — 1 operation(s) for artifact type.

Apicurio Artifacts API

The Artifacts API from Apicurio — 9 operation(s) for artifacts.

Apicurio Branches API

The Branches API from Apicurio — 3 operation(s) for branches.

Apicurio Content API

The Content API from Apicurio — 1 operation(s) for content.

Apicurio Contracts API

The Contracts API from Apicurio — 16 operation(s) for contracts.

Apicurio GitOps API

The GitOps API from Apicurio — 2 operation(s) for gitops.

Apicurio Global rules API

The Global rules API from Apicurio — 2 operation(s) for global rules.

Apicurio Group rules API

The Group rules API from Apicurio — 2 operation(s) for group rules.

Apicurio Groups API

The Groups API from Apicurio — 3 operation(s) for groups.

Apicurio KafkaSQL API

The KafkaSQL API from Apicurio — 1 operation(s) for kafkasql.

Apicurio Metadata API

The Metadata API from Apicurio — 2 operation(s) for metadata.

Apicurio Search API

The Search API from Apicurio — 5 operation(s) for search.

Apicurio Snapshot API

The Snapshot API from Apicurio — 1 operation(s) for snapshot.

Apicurio System API

The System API from Apicurio — 2 operation(s) for system.

Apicurio Users API

The Users API from Apicurio — 1 operation(s) for users.

Apicurio Versions API

The Versions API from Apicurio — 11 operation(s) for versions.

Scroll for all 23

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Apicurio Registry API

OPEN COLLECTION

GraphQL 1

GraphQL schemas published by this provider.

Apicurio GraphQL API

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Apicurio Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Apicurio Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Apicurio Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Apicurio Authentication

http/oauth2 · 2 schemes

SECURITY

Apicurio Domain Security

TLSv1.3

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Apicurio Scopes

3 scopes · clientCredentials

3 scopes

SCOPES

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Apicurio Agentic Access

115 operations · 59 acting · 1 human-in-the-loop

115 operations · 59 acting

AGENTIC

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication
 OAuthScopes
OAuthScopes

Company 1

The organization behind the API

Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: apicurio
name: Apicurio
description: Apicurio is an open source API and schema tooling platform maintained by Red Hat under the Apache 2.0 license.
  It includes Apicurio Registry (a high-performance schema and API design registry), Apicurio Studio (a visual API designer
  for OpenAPI and AsyncAPI), Apicurio Data Models (a data modeling library), Apicurio Codegen (Java code generation from OpenAPI),
  and Apicurito (an embedded API editor).
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/apicurio.png
tags:
- Apache License
- API Design
- API Registry
- Avro
- AsyncAPI
- Java
- Open Source
- OpenAPI
- Red Hat
- Schema Registry
url: https://raw.githubusercontent.com/api-evangelist/apicurio/refs/heads/main/apis.yml
created: '2026-03-25'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: apicurio:apicurio-registry
  name: Apicurio Registry
  description: Apicurio Registry is a high-performance, runtime registry for schemas and API designs. It stores and manages
    OpenAPI, AsyncAPI, Avro, JSON Schema, Protobuf, and other artifact types, providing a REST API for schema management with
    compatibility checking and content versioning.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Avro
  - AsyncAPI
  - Open Source
  - OpenAPI
  - Protobuf
  - Schema Registry
  properties:
  - type: Documentation
    url: https://www.apicur.io/registry/docs/
  - type: GitHubRepository
    url: https://github.com/Apicurio/apicurio-registry
  - url: graphql/apicurio-graphql.md
    type: GraphQL
- aid: apicurio:apicurio-studio
  name: Apicurio Studio
  description: 'Apicurio Studio is a visual, zero-code API design tool for creating and editing OpenAPI and AsyncAPI specifications.
    Note: Apicurio Studio is deprecated in favor of the integrated design capabilities in Apicurio Registry.'
  humanURL: https://www.apicur.io/studio/
  tags:
  - API Design
  - AsyncAPI
  - Deprecated
  - OpenAPI
  - Visual Designer
  properties:
  - type: Documentation
    url: https://www.apicur.io/studio/docs/
  - type: GitHubRepository
    url: https://github.com/Apicurio/apicurio-studio
- aid: apicurio:apicurio-data-models
  name: Apicurio Data Models
  description: Apicurio Data Models is a Java and TypeScript library for parsing, validating, and manipulating OpenAPI and
    AsyncAPI specification documents programmatically.
  humanURL: https://github.com/Apicurio/apicurio-data-models
  tags:
  - AsyncAPI
  - Data Modeling
  - Java
  - Library
  - OpenAPI
  - TypeScript
  properties:
  - type: GitHubRepository
    url: https://github.com/Apicurio/apicurio-data-models
- aid: apicurio:apicurio-codegen
  name: Apicurio Codegen
  description: Apicurio Codegen generates Java JAX-RS server stubs and client code from OpenAPI specifications, enabling design-first
    API development workflows.
  humanURL: https://github.com/Apicurio/apicurio-codegen
  tags:
  - Code Generation
  - JAX-RS
  - Java
  - OpenAPI
  properties:
  - type: GitHubRepository
    url: https://github.com/Apicurio/apicurio-codegen
- aid: apicurio:apicurio-admin-api
  name: Apicurio Admin API
  description: The Admin API from Apicurio — 17 operation(s) for admin.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Admin
  properties:
  - type: OpenAPI
    url: openapi/apicurio-admin-api-openapi.yml
- aid: apicurio:apicurio-ai-api
  name: Apicurio AI API
  description: The AI API from Apicurio — 1 operation(s) for ai.
  humanURL: https://www.apicur.io/registry/
  tags:
  - AI
  properties:
  - type: OpenAPI
    url: openapi/apicurio-ai-api-openapi.yml
- aid: apicurio:apicurio-artifact-rules-api
  name: Apicurio Artifact rules API
  description: The Artifact rules API from Apicurio — 2 operation(s) for artifact rules.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Artifact rules
  properties:
  - type: OpenAPI
    url: openapi/apicurio-artifact-rules-api-openapi.yml
- aid: apicurio:apicurio-artifact-type-api
  name: Apicurio Artifact Type API
  description: The Artifact Type API from Apicurio — 1 operation(s) for artifact type.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Artifact Type
  properties:
  - type: OpenAPI
    url: openapi/apicurio-artifact-type-api-openapi.yml
- aid: apicurio:apicurio-artifacts-api
  name: Apicurio Artifacts API
  description: The Artifacts API from Apicurio — 9 operation(s) for artifacts.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Artifacts
  properties:
  - type: OpenAPI
    url: openapi/apicurio-artifacts-api-openapi.yml
- aid: apicurio:apicurio-branches-api
  name: Apicurio Branches API
  description: The Branches API from Apicurio — 3 operation(s) for branches.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Branches
  properties:
  - type: OpenAPI
    url: openapi/apicurio-branches-api-openapi.yml
- aid: apicurio:apicurio-content-api
  name: Apicurio Content API
  description: The Content API from Apicurio — 1 operation(s) for content.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Content
  properties:
  - type: OpenAPI
    url: openapi/apicurio-content-api-openapi.yml
- aid: apicurio:apicurio-contracts-api
  name: Apicurio Contracts API
  description: The Contracts API from Apicurio — 16 operation(s) for contracts.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Contracts
  properties:
  - type: OpenAPI
    url: openapi/apicurio-contracts-api-openapi.yml
- aid: apicurio:apicurio-gitops-api
  name: Apicurio GitOps API
  description: The GitOps API from Apicurio — 2 operation(s) for gitops.
  humanURL: https://www.apicur.io/registry/
  tags:
  - GitOps
  properties:
  - type: OpenAPI
    url: openapi/apicurio-gitops-api-openapi.yml
- aid: apicurio:apicurio-global-rules-api
  name: Apicurio Global rules API
  description: The Global rules API from Apicurio — 2 operation(s) for global rules.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Global rules
  properties:
  - type: OpenAPI
    url: openapi/apicurio-global-rules-api-openapi.yml
- aid: apicurio:apicurio-group-rules-api
  name: Apicurio Group rules API
  description: The Group rules API from Apicurio — 2 operation(s) for group rules.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Group rules
  properties:
  - type: OpenAPI
    url: openapi/apicurio-group-rules-api-openapi.yml
- aid: apicurio:apicurio-groups-api
  name: Apicurio Groups API
  description: The Groups API from Apicurio — 3 operation(s) for groups.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Groups
  properties:
  - type: OpenAPI
    url: openapi/apicurio-groups-api-openapi.yml
- aid: apicurio:apicurio-kafkasql-api
  name: Apicurio KafkaSQL API
  description: The KafkaSQL API from Apicurio — 1 operation(s) for kafkasql.
  humanURL: https://www.apicur.io/registry/
  tags:
  - KafkaSQL
  properties:
  - type: OpenAPI
    url: openapi/apicurio-kafkasql-api-openapi.yml
- aid: apicurio:apicurio-metadata-api
  name: Apicurio Metadata API
  description: The Metadata API from Apicurio — 2 operation(s) for metadata.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Metadata
  properties:
  - type: OpenAPI
    url: openapi/apicurio-metadata-api-openapi.yml
- aid: apicurio:apicurio-search-api
  name: Apicurio Search API
  description: The Search API from Apicurio — 5 operation(s) for search.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/apicurio-search-api-openapi.yml
- aid: apicurio:apicurio-snapshot-api
  name: Apicurio Snapshot API
  description: The Snapshot API from Apicurio — 1 operation(s) for snapshot.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Snapshot
  properties:
  - type: OpenAPI
    url: openapi/apicurio-snapshot-api-openapi.yml
- aid: apicurio:apicurio-system-api
  name: Apicurio System API
  description: The System API from Apicurio — 2 operation(s) for system.
  humanURL: https://www.apicur.io/registry/
  tags:
  - System
  properties:
  - type: OpenAPI
    url: openapi/apicurio-system-api-openapi.yml
- aid: apicurio:apicurio-users-api
  name: Apicurio Users API
  description: The Users API from Apicurio — 1 operation(s) for users.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/apicurio-users-api-openapi.yml
- aid: apicurio:apicurio-versions-api
  name: Apicurio Versions API
  description: The Versions API from Apicurio — 11 operation(s) for versions.
  humanURL: https://www.apicur.io/registry/
  tags:
  - Versions
  properties:
  - type: OpenAPI
    url: openapi/apicurio-versions-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/apicurio-agentic-access.yml
- type: DomainSecurity
  url: security/apicurio-domain-security.yml
- type: Authentication
  url: authentication/apicurio-authentication.yml
- type: OAuthScopes
  url: scopes/apicurio-scopes.yml
- url: https://www.apicur.io/blog/feed.xml
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com