generated: '2026-10-09'
method: searched
source: https://github.com/weidmueller/u-os-hub-api/blob/main/openapi/README.adoc
standards:
- id: rfc9457
  conforms: true
  evidence: 'openapi/weidmueller-administration-openapi.yml components.schemas.HttpErrorPayload: "Common error payload structure for HTTP responses.
    Based on RFC 9457", served as application/problem+json on 50 responses. The Variable-HTTP API returns text/plain errors.'
- id: rfc7396
  conforms: true
  evidence: 'openapi/README.adoc: "use PATCH with JSON Merge Patch for partial updates", linking datatracker.ietf.org/doc/rfc7396.'
- id: semver
  conforms: true
  evidence: 'openapi/README.adoc: "The HTTP APIs follow Semantic Versioning. The major API version is part of the base URL, such as /api/v1."'
- id: oauth2
  conforms: true
  evidence: OAuth2 clientCredentials securityScheme (tokenUrl /oauth2/token) in both OpenAPI specs.
- id: pagination
  conforms: partial
  evidence: Cursor pagination (cursor and limit) only on GET /logging/entries.
- id: idempotency
  conforms: false
  evidence: No Idempotency-Key mechanism. Optimistic locking uses If-Match/ETag on some configuration endpoints.
- id: asyncapi-nats
  conforms: true
  evidence: The Variable-NATS-API is described in AsyncAPI 2.6.0 (variable-nats-api/variable-nats-asyncapi.yaml) over NATS with FlatBuffers payloads.
- id: openapi-3.1
  conforms: true
  evidence: the document declares 3.1.0