No. 20 of 24 ·Schema Registry Software

Apicurio Registry

Web · Self-hosted · API

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Freedom report

No signalScore 4.9

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedThinly documented

Apicurio Registry is ranked #20 of 24 in schema registry software on Freedom251. It runs on API, Self-hosted, Web.

Compared on schema registry software

Contract formats: OpenAPI, AsyncAPI, GraphQL, Apache Avro, Google Protobuf, JSON Schema, Kafka Connect, WSDL, XML Schema, ODCS v3.1
Consumer verification: Yes
Contract registry: Yes
AsyncAPI support: Yes
GraphQL support: Yes
Self-hosted deployment: Yes

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The record

Purpose: Apicurio Registry is a runtime server that stores artifacts and lets users add, update, and remove them through a remote REST API.
API registry use: It can register API designs such as OpenAPI and AsyncAPI so consumers can browse and search APIs, view details, and read generated documentation.
Schema registry use: For messaging and event streaming, it provides a central place to track schemas and manage data format and schema evolution.
Artifact types: Supported artifact types listed on the product page include OpenAPI, AsyncAPI, GraphQL, Avro, Protobuf, JSON Schema, Kafka Connect schema, WSDL, and XSD.
Content rules: Configurable content rules can check validity, compatibility, and integrity as artifacts evolve.
Storage: The product page lists Apache Kafka, PostgreSQL, and Microsoft SQL Server as backend storage options.
Integrations: The documentation describes Kafka client serializers and deserializers for Avro, Protobuf, and JSON Schema, and integration with Kafka Connect.
Management interfaces: The documentation lists a web console, REST API, command line, Maven plug-in, and language SDKs for content management.
Authentication: Documented authentication options include OpenID Connect, HTTP basic, proxy header, and Kubernetes-native authentication; authentication and authorization options are disabled by default.
Authorization: Authorization options include default admin, write, and read-only roles, plus content-based controls that can restrict artifact updates or deletion to its owner.
Deployment: The documentation covers deployment with an operator on Kubernetes and storage configurations including KafkaSQL and PostgreSQL.
Version status: The product page lists version 3.3.3 and says the 2.x line is deprecated.

Where it ranks on Freedom251

Best Schema Registry Software in 2026#20 of 24
Best Contract Testing Tools in 2026#13 of 22

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Sources

apicur.io/registry/· checked 5 Oct 2026
apicur.io/registry/docs/apicurio-registry/3.0.x/g· checked 5 Oct 2026
apicurio.io/registry/docs/apicurio-registry/3.3.x/g· checked 5 Oct 2026
apicurio.io/registry/docs/apicurio-registry/3.3.x/g· checked 5 Oct 2026
apicurio.io/registry/· checked 5 Oct 2026