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The OpenAPI endpoint stays reachable even when the activation gate is OFF, so downstream tooling can introspect the surface before operators flip the gate.
The OpenAPI document advertises base URLs via its servers[] array. By default this array is empty — client generators and Swagger UI then fall back to the host that served the document, which is correct in most local-network deployments. If the OpenAPI document will be consumed away from the API host (developer portals, partner SDK distributions, or reverse-proxy fronts where the externally-reachable hostname differs from the listener), populate SolutionCenterApi.PublicBaseUrls in TWebServices.json with the canonical external URL(s) — one entry per URL — so generated clients and rendered docs target the right host.
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