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Openapi Validator API

POST https://api.findutils.com/api/tools/openapi-validator/execute

Validate an OpenAPI 3.x (or Swagger 2.0) document given as JSON or YAML and return a report with errors, warnings, and summary info (title, version, path count, operation count). Errors cover a missing version field, missing info.title or info.version, a missing paths object, paths that do not start with "/", and operations without responses. Warnings cover missing operationId, Swagger 2.0 input, non-3.x versions, and component schemas with no type, $ref, or composition keyword.