generated: '2026-07-19' method: searched source: https://dev.evernote.com/doc/ + https://evernote.com/security standards: - id: oauth1a conforms: true evidence: Three-legged OAuth 1.0a authorization flow documented at dev.evernote.com/doc/articles/authentication.php - id: oauth2 conforms: false evidence: Evernote Cloud API uses OAuth 1.0a, not OAuth 2.0. - id: oidc conforms: false - id: thrift-edam conforms: true evidence: The Cloud API is an Apache Thrift service (EDAM UserStore/NoteStore). - id: rest conforms: false evidence: The Cloud API is Thrift/RPC over HTTP POST, not a REST API. - id: rfc9457-problem-details conforms: false evidence: Errors are EDAM Thrift exceptions (EDAMUserException/EDAMSystemException), not application/problem+json. - id: iso-27001 conforms: true evidence: Evernote ISO 27001 certified as of November 2025 (evernote.com/security). - id: owasp-asvs conforms: true evidence: Google CASA Tier 2 assessment against OWASP ASVS. - id: gdpr conforms: true evidence: Privacy program aligns with GDPR (evernote.com/privacy/policy).