generated: '2026-08-27' method: searched source: >- The FSVO's own API description document, "The Swiss Food Composition Database API" (published at https://naehrwertdaten.ch/en/downloads/), which states: "API is free to use and allows unrestricted access" and "All of the available endpoints and methods are nonrestricted, free to access". Corroborated by the served OpenAPI 3.0.1 document, which declares no components.securitySchemes and no top-level security requirement, and by live anonymous calls on 2026-08-27 that returned 200 with data. docs: https://naehrwertdaten.ch/en/downloads/ summary: >- No authentication of any kind. There is no API key, no OAuth, no signup and no account. Every one of the 21 operations is a public read that succeeds anonymously. schemes: [] auth_required: false signup_required: false credential_types: [] transport: https: true tls_version: TLSv1.3 http_to_https_redirect: true cors: enabled: true access_control_allow_origin: '*' access_control_allow_credentials: true access_control_allow_methods: GET, PUT, POST, OPTIONS note: >- Observed on live responses 2026-08-27. The API is directly callable from a browser, which is how the provider's own Swagger UI and search application consume it. evidence: - url: https://api.webapp.prod.blv.foodcase-services.com/BLV_WebApp_WS/webresources/BLV-api/versiondb status: 200 note: Anonymous GET returned {"idversion":51,"versiontext":"V 7.1"} with no credential supplied. - url: https://api.webapp.prod.blv.foodcase-services.com/BLV_WebApp_WS/webresources/openapi.json status: 200 note: Served OpenAPI declares no securitySchemes. observations: - >- An administrative operation, GET /webresources/BLV-api/reloadCache ("Reloads the local database cache of the application"), is exposed on the same unauthenticated public surface as the read operations. It is tagged "system configuration" in the provider's own spec. This is recorded as an observation about the published contract; API Evangelist did not invoke it.