Paste, upload, or link an OpenAPI or Swagger spec and get an instant readiness score across syntax, completeness, examples, auth, responses, changelogs, and AI agent-readiness.
Validating your spec…
Most validators answer one question: will tooling accept this file? This checker also asks whether your API reference is complete enough for a developer, support agent, or AI coding tool to take the next step without guessing.
Required top-level fields, the OpenAPI or Swagger version, paths, operations, and whether the document parses at all.
API overview, server URLs, endpoint summaries, descriptions, parameters, tags, and reusable schemas.
Request examples, response examples, and schema examples, the real payloads a developer can copy and run.
Security schemes, global and operation-level requirements, OAuth and API key clarity, and auth failure states.
2xx success responses, 4xx and 5xx errors, descriptions, content types, schemas, and empty-response rules.
Versioning, release notes, deprecations, migration context, and links to the API change history.
Stable operation IDs, unambiguous descriptions, examples, schema clarity, rate limits, and safe error handling.
AI coding assistants, support agents, and workflow automations read API docs differently from humans. They need stable names, explicit input rules, response shapes, auth behavior, error states, and examples that remove ambiguity.
That is why this validator scores operation IDs, descriptions, examples, schemas, 401 and 403 responses, 429 behavior, changelog links, and deprecation signals. Those details help agents call your API safely instead of guessing from a syntactically valid file.
Practical answers for API teams, technical writers, and developers maintaining API docs.
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