generated: '2026-07-21'
method: searched
source: >-
  live probe of the Viso Now GraphQL API (now.viso.ai/api/svc-viso-now/graphql,
  Apollo Server) and the Google Identity Services sign-in flow
standards:
- id: graphql
  conforms: true
  evidence: >-
    Apollo Server GraphQL endpoint at now.viso.ai/api/svc-viso-now/graphql;
    responds to POST {query:"{__typename}"} with {"data":{"__typename":"Query"}}
- id: oauth2
  conforms: true
  evidence: sign-in via Google Identity Services (OAuth 2.0 / OIDC provider)
- id: oidc
  conforms: true
  evidence: Google Identity Services (accounts.google.com/gsi) is an OpenID Connect provider
- id: rest
  conforms: false
  evidence: primary API surface is GraphQL, not REST
- id: rfc9457-problem-details
  conforms: false
  evidence: GraphQL errors use the GraphQL errors[] envelope, not application/problem+json
- id: asyncapi-events
  conforms: false
  evidence: no public event/webhook/AsyncAPI surface discovered