generated: '2026-07-21' method: derived source: openapi/smartnews-marketing-openapi.json standards: - id: oauth2-bearer conforms: true evidence: OAuth 2.0 access-token flow via POST /api/oauth/v1/access_tokens; Bearer JWT in Authorization header - id: jwt conforms: true evidence: securityScheme http bearer with bearerFormat JWT - id: rfc9457-problem-details conforms: false evidence: errors use a custom {error:{type,message,retriable}} envelope, not application/problem+json - id: rfc8594-sunset-header conforms: false evidence: no Sunset/Deprecation header documented - id: pagination conforms: true evidence: page/page_size params with a pagination wrapper on list responses - id: idempotency conforms: false evidence: no Idempotency-Key header documented for writes - id: openapi-3.0 conforms: true evidence: openapi 3.0.3 document published at /developers/