Lint and formatCheck every API description against your rules and put it in one style
Catch breaking changesKnow what every change does to your clients before it ships
Generate codeClients, servers, schemas and test data in six languages
Mock and testMock APIs from their contracts, and check real ones against them
Publish API docsReference pages and documentation sites from the contract
Edit visuallyEdit OpenAPI and AsyncAPI in forms, and keep your files
Catalog your APIsKnow every API of a repository and who owns it
Work with AI agentsChecks, diffs and machine-readable reports for the agents that write your APIs

CLILint, format, diff, bundle and contract-test your API contracts
GeneratorGenerate API clients and servers, documentation sites and test data
ServerMock an API from its contract, or put a validating proxy in front of a real one
CatalogFind API specifications in a repository and record their owners
EditorEdit OpenAPI and AsyncAPI in forms without reformatting untouched content
Doc componentsEmbed API references into your own site with web components

Learn

Get startedInstall API Genie and run your first commands in five minutes
How-to guidesOne job, step by step, from the first command to CI
Linter rulesEvery rule and ruleset, for each of the five standards
CI and GitHub ActionLint and check for breaking changes in every pull request
ChangelogWhat changed in each release

Reference

CLIapigenie and its commands
Generatorapigenie-generator and every generator
Serverapigenie-server: mocks and proxies
Catalogapigenie-catalog: the API catalog
EditorWhat the editor offers on each host

Downloads Blog Contact GitHub Get started

Linter rules

OpenAPI

Recommended ruleset
Strict ruleset
All ruleset
JsonApi ruleset
Privacy ruleset

AsyncAPI

Recommended ruleset
Strict ruleset
All ruleset

Swagger 2.0

Recommended ruleset
Strict ruleset
All ruleset

GraphQL

Recommended ruleset
Strict ruleset
All ruleset
Relay ruleset

Protobuf

Recommended ruleset
Strict ruleset
All ruleset

Linter rulesOpenAPIJsonApi ruleset

JsonApi ruleset

Rules

Name	Severity
json-api/content-type	error
json-api/resource-type-unique	error

Use cases

Lint and format
Catch breaking changes
Generate code
Mock and test
Publish API docs
Edit visually
Catalog your APIs
Work with AI agents

Tools

CLI
Generator
Server
Catalog
Editor
Doc components

Docs

Get started
How-to guides
CLI reference
Editor reference
Linter rules
CI and GitHub Action

Resources

Downloads
Changelog
Blog
RSS feed
GitHub
llms.txt

Company

Contact
Safety
Credits and licenses
Privacy Policy
Cookie Policy

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