OpenAPI Deprecation Builder
Marks a selected OpenAPI operation as deprecated and appends a migration note to its description. It does not add Sunset response-header documentation.
About this openapi deprecation builder
Marks a selected OpenAPI operation as deprecated and appends a migration note to its description. It does not add Sunset response-header documentation Validates and converts interface schemas client-side without transmitting private endpoint specifications.
API contract & interface schema logic
Parses, validates, and transforms OpenAPI Specification (OAS) 3.0.x and 3.1.x contracts into client code, documentation, and Model Context Protocol (MCP) tool manifests. Features a path-scoped recursive dereferencing engine that expands shared $ref schema components (such as address schemas shared across billing and shipping) while reliably halting true circular loops. Validates YAML/JSON specifications against official OpenAPI metamodels with line-numbered syntax diagnostics.
Worked schema conversion scenario
Scenario: Mark one selected OpenAPI operation as deprecated.
Sample input:
Processing: Set deprecated to true and append a fixed migration note to the selected operation description.
Illustrative output:
Schema version & syntax constraints
Does not add HTTP Sunset or Deprecation response headers, a replacement URL, a removal date or migration automation.
API specifications and schema models in OpenAPI Deprecation Builder reflect OpenAPI and JSON Schema standards. Verify generated schemas against your runtime validator.
Client-side schema processing boundary
Schema analysis and protocol mapping in OpenAPI Deprecation Builder execute locally in the browser tab without uploading endpoint definitions.
OpenAPI Specification & JSON Schema standards
OpenAPI Specification standards and JSON Schema draft definitions:
OpenAPI Deprecation Builder verification · Audit standards
How to use it
- Paste an OpenAPI document, optionally wrapped with path and method.
- Find one operation, set deprecated true and append a migration note to its description.
- Copy the resulting YAML document.
Frequently asked questions
How does OpenAPI Deprecation Builder mark an operation?+
It selects a path and HTTP method, sets that operation deprecated to true, and appends a migration-before-removal notice to its description before emitting YAML.
Can you show an input and its result?+
A GET operation at /pets was serialized with deprecated true and the replacement-before-removal notice.
Does it remove or redirect an API endpoint?+
No. It edits an OpenAPI description only; deployments, gateway routing, version negotiation, client notices, and runtime responses remain outside the tool.
What happens when the selected operation is absent?+
It throws Operation was not found in the OpenAPI document rather than silently marking a different operation.