Apicurio Registry

Open-source schema and API artifact registry backed by Red Hat (Apache 2.0). Stores OpenAPI, AsyncAPI, Avro, JSON Schema, Protobuf, Kafka Connect schemas, GraphQL SDL, WSDL, and XSD. Configurable content rules drive evolution and validity checks; storage backends include Kafka, PostgreSQL, and Microsoft SQL Server. Latest stable version 3.2.4.

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Every API here is available over the APIs.io API and to AI agents over MCP.

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Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

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curl "https://apis.io/api/v1/apis/apicurio-registry"
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curl "https://apis.io/api/v1/apis?limit=25"

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API entry from apis.yml

apis.yml Raw ↑
name: Apicurio Registry
description: Open-source schema and API artifact registry backed by Red Hat (Apache 2.0). Stores OpenAPI,
  AsyncAPI, Avro, JSON Schema, Protobuf, Kafka Connect schemas, GraphQL SDL, WSDL, and XSD. Configurable
  content rules drive evolution and validity checks; storage backends include Kafka, PostgreSQL, and Microsoft
  SQL Server. Latest stable version 3.2.4.
humanURL: https://www.apicur.io/registry
tags:
- Registry
- Schemas
- Open-Source
- Red Hat
tags_raw:
- Registry
- Schemas
- Open Source
- Red Hat
properties:
- type: Portal
  url: https://www.apicur.io/registry
- type: Documentation
  url: https://www.apicur.io/registry/docs
- type: GitHubRepository
  url: https://github.com/Apicurio/apicurio-registry