aid: confluent-schema-registry
name: Confluent Schema Registry
description: >-
  Confluent Schema Registry is the open-source serving layer for schema metadata used in Apache Kafka data pipelines. It
  exposes a RESTful interface for storing and retrieving Avro, JSON Schema, and Protobuf schemas, manages schema
  evolution through configurable compatibility rules (BACKWARD, FORWARD, FULL, and transitive variants), supports schema
  references and contexts, and integrates with Kafka producers and consumers via shipped serializers and deserializers.
  Schema Registry is distributed under the Confluent Community License and is a core component of both Confluent
  Platform and Confluent Cloud.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
position: Provider
access: Open Source
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/confluent-schema-registry.png
url: https://raw.githubusercontent.com/api-evangelist/confluent-schema-registry/refs/heads/main/apis.yml
created: '2026-03-26'
modified: '2026-05-19'
specificationVersion: '0.23'
kind: opensource
tags:
  - Apache Kafka
  - Avro
  - Compatibility
  - Confluent
  - Data Governance
  - Data Streaming
  - JSON Schema
  - Open Source
  - Protobuf
  - REST
  - Schema Evolution
  - Schema Registry
apis:
- aid: confluent-schema-registry:confluent-schema-registry-compatibility-api
  name: Confluent Schema Registry Compatibility API
  description: The Compatibility API from Confluent Schema Registry — 3 operation(s) for compatibility.
  humanURL: https://docs.confluent.io/platform/current/schema-registry/develop/api.html
  baseURL: http://localhost:8081
  tags:
  - Compatibility
  properties:
  - type: OpenAPI
    url: openapi/confluent-schema-registry-compatibility-api-openapi.yml
  - type: Documentation
    url: https://docs.confluent.io/platform/current/schema-registry/develop/api.html
  - type: JSONSchema
    url: json-schema/schema-registry-schema.json
  - type: JSONLD
    url: json-ld/confluent-schema-registry-context.jsonld
  - type: Spectral
    url: rules/confluent-schema-registry-rules.yml
  - type: GitHub
    url: https://github.com/confluentinc/schema-registry
- aid: confluent-schema-registry:confluent-schema-registry-mode-api
  name: Confluent Schema Registry Mode API
  description: The Mode API from Confluent Schema Registry — 1 operation(s) for mode.
  humanURL: https://docs.confluent.io/platform/current/schema-registry/develop/api.html
  baseURL: http://localhost:8081
  tags:
  - Mode
  properties:
  - type: OpenAPI
    url: openapi/confluent-schema-registry-mode-api-openapi.yml
  - type: Documentation
    url: https://docs.confluent.io/platform/current/schema-registry/develop/api.html
  - type: JSONSchema
    url: json-schema/schema-registry-schema.json
  - type: JSONLD
    url: json-ld/confluent-schema-registry-context.jsonld
  - type: Spectral
    url: rules/confluent-schema-registry-rules.yml
  - type: GitHub
    url: https://github.com/confluentinc/schema-registry
- aid: confluent-schema-registry:confluent-schema-registry-schemas-api
  name: Confluent Schema Registry Schemas API
  description: The Schemas API from Confluent Schema Registry — 3 operation(s) for schemas.
  humanURL: https://docs.confluent.io/platform/current/schema-registry/develop/api.html
  baseURL: http://localhost:8081
  tags:
  - Schemas
  properties:
  - type: OpenAPI
    url: openapi/confluent-schema-registry-schemas-api-openapi.yml
  - type: Documentation
    url: https://docs.confluent.io/platform/current/schema-registry/develop/api.html
  - type: JSONSchema
    url: json-schema/schema-registry-schema.json
  - type: JSONLD
    url: json-ld/confluent-schema-registry-context.jsonld
  - type: Spectral
    url: rules/confluent-schema-registry-rules.yml
  - type: GitHub
    url: https://github.com/confluentinc/schema-registry
- aid: confluent-schema-registry:confluent-schema-registry-server-api
  name: Confluent Schema Registry Server API
  description: The Server API from Confluent Schema Registry — 1 operation(s) for server.
  humanURL: https://docs.confluent.io/platform/current/schema-registry/develop/api.html
  baseURL: http://localhost:8081
  tags:
  - Server
  properties:
  - type: OpenAPI
    url: openapi/confluent-schema-registry-server-api-openapi.yml
  - type: Documentation
    url: https://docs.confluent.io/platform/current/schema-registry/develop/api.html
  - type: JSONSchema
    url: json-schema/schema-registry-schema.json
  - type: JSONLD
    url: json-ld/confluent-schema-registry-context.jsonld
  - type: Spectral
    url: rules/confluent-schema-registry-rules.yml
  - type: GitHub
    url: https://github.com/confluentinc/schema-registry
- aid: confluent-schema-registry:confluent-schema-registry-subjects-api
  name: Confluent Schema Registry Subjects API
  description: The Subjects API from Confluent Schema Registry — 6 operation(s) for subjects.
  humanURL: https://docs.confluent.io/platform/current/schema-registry/develop/api.html
  baseURL: http://localhost:8081
  tags:
  - Subjects
  properties:
  - type: OpenAPI
    url: openapi/confluent-schema-registry-subjects-api-openapi.yml
  - type: Documentation
    url: https://docs.confluent.io/platform/current/schema-registry/develop/api.html
  - type: JSONSchema
    url: json-schema/schema-registry-schema.json
  - type: JSONLD
    url: json-ld/confluent-schema-registry-context.jsonld
  - type: Spectral
    url: rules/confluent-schema-registry-rules.yml
  - type: GitHub
    url: https://github.com/confluentinc/schema-registry
common:
  - type: AgenticAccess
    url: agentic-access/confluent-schema-registry-agentic-access.yml
  - type: VulnerabilityDisclosure
    url: security/confluent-schema-registry-vulnerability-disclosure.yml
  - type: DomainSecurity
    url: security/confluent-schema-registry-domain-security.yml
  - name: Agent Skills
    url: https://github.com/confluentinc/agent-skills
    type: AgentSkills
  - type: Website
    url: https://www.confluent.io/
  - type: Documentation
    url: https://docs.confluent.io/platform/current/schema-registry/
  - type: GettingStarted
    url: https://docs.confluent.io/platform/current/schema-registry/develop/using.html
  - type: APIReference
    url: https://docs.confluent.io/platform/current/schema-registry/develop/api.html
  - type: GitHub
    url: https://github.com/confluentinc/schema-registry
  - type: License
    url: https://www.confluent.io/confluent-community-license/
  - type: Blog
    url: https://www.confluent.io/blog/
  - type: Pricing
    url: https://www.confluent.io/pricing/
  - type: JSONLD
    url: json-ld/confluent-schema-registry-context.jsonld
  - type: Spectral
    url: rules/confluent-schema-registry-rules.yml
  - type: Integrations
    url: https://www.confluent.io/partner/
  - type: LlmsText
    url: https://docs.confluent.io/llms.txt
integrations:
  - name: Become a Partner
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com