Operation identifiers provide a unique way to identify each individual API, and requiring them to have consistent casing reduces friction when generating SDKs and automating around APIs.
OpenAPI Operations Operation Ids Special Characters Info
Message: Operation Identifier Does Not Have Special Characters
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Operation ID Conventions
Operation IDs need consistent conventions because code generators, SDKs, and docs all use them. Inconsistent casing or characters here breaks downstream tooling in ways that are painful to debug.