Place the key-value pair deprecated: true
anywhere within the endpoint indented block to mark it as deprecated.
Here is an example
01: paths:
02: /pet:
03: put:
04: tags:
05: - pet
06: summary: Update an existing pet
07: description: Update an existing pet by Id
08: operationId: updatePet
09: deprecated: true # <---- Deprecation key-value entry
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