generated: '2026-07-20'
method: derived
source: https://developer.plangrid.com/reference/ (docs review)
standards:
- id: oauth2
  conforms: true
  evidence: >-
    Documented OAuth 2.0 authorization code and implicit grants with authorize/token endpoints at
    io.plangrid.com/oauth/*.
- id: oidc
  conforms: false
  evidence: No OpenID Connect discovery or id_token documented; OAuth 2.0 only.
- id: rfc9457-problem-details
  conforms: false
  evidence: >-
    Errors are returned as JSON with human-readable messages, not application/problem+json.
- id: pagination
  conforms: true
  evidence: Cursor/link-based pagination is documented across all list endpoints.
- id: rate-limiting
  conforms: true
  evidence: >-
    Per-second (40), daily (10000), and per-6-minute write (2000) limits with a 429 response and a
    JSON rate-limit object carrying an ISO 8601 reset timestamp.
- id: semver
  conforms: true
  evidence: >-
    API uses semantic versioning (MAJOR.MINOR.PATCH); major version selected via the Accept
    media type header.
- id: idempotency
  conforms: false
  evidence: No idempotency-key header or contract is documented.