generated: '2026-07-20'
method: derived
source: graphql/playerdata-schema.graphql + https://github.com/PlayerData/playerdatapy/blob/main/docs/auth.md
standards:
  - id: graphql
    conforms: true
    evidence: Public GraphQL schema (query/mutation/subscription) at app.playerdata.co.uk/api/graphql
  - id: oauth2
    conforms: true
    evidence: OAuth 2.0 authorization code (+PKCE) and client credentials grants documented
  - id: graphql-subscriptions
    conforms: true
    evidence: RootSubscription exposes real-time event streams
  - id: relay-connections
    conforms: true
    evidence: Relay-style Connection/Edge/PageInfo cursor pagination in schema
  - id: rfc9457-problem-details
    conforms: false
    evidence: Errors returned via GraphQL errors array, not application/problem+json
  - id: rest
    conforms: false
    evidence: API is GraphQL, not REST/OpenAPI