Swagger UI Editor

Purpose-built for API design teams, this tool ingests OpenAPI specs in YAML or JSON and validates them against OpenAPI schemas. It dereferences components to reveal a complete contract and surfaces precise errors with paths for quick remediation. Users include API engineers, backend developers, and product managers who iterate on contracts during design, review, and documentation phases.\n\nCore capabilities include required features such as spec ingestion, version handling (2.0/3.x/3.1.x), schema-based validation, dereferencing of $ref values, and detailed error reporting. Optional features cover multi-file projects, import/export, YAML/JSON tolerance, and the ability to generate static HTML or Markdown documentation for sharing. The tool is designed to fit into automated pipelines where specs are validated as part of CI processes and fed into mock servers or docs generators.\n\nInputs and outputs are defined to enable deterministic automation. Inputs include spec_text (string), format (yaml|json), openapi_version (2.0/3.x/3.1.x), and a flag for external refs. Outputs include validated (boolean), errors (array with code, path, message), and a resolved_spec object plus a docs_preview field for downstream tooling. Validation emphasizes required fields, correct types, parameter semantics, and reference integrity.\n\nAlgorithms and edge cases address structural correctness and reference integrity. Validation relies on OpenAPI schemas, dereferencing rules, and circular reference detection. Edge cases include missing fields, invalid versions, unresolved refs, very large specs, and mixed inputs. The tool aims for deterministic results and supports offline use when refs are local.\n\nIndustry standards and localization note that OpenAPI versions and formats remain consistent across regions; the tool supports UTF-8 and language-neutral identifiers. It is suitable for global API teams documenting RESTful contracts and microservice ecosystems. Assumes English-language spec comments; localization is out of scope.