generated: '2026-07-20'
method: searched
source: https://support.nationbuilder.com/en/articles/9757369-nationbuilder-v2-api-core-concepts
standards:
  - id: json-api
    conforms: true
    evidence: >-
      v2 API documents JSON:API request/response format (data / relationships /
      included / meta / links, sparse fieldsets, include-based sideloading,
      filter/sort params).
  - id: oauth2
    conforms: true
    evidence: v2 auth is OAuth 2.0 authorization-code with refresh tokens.
  - id: oauth2-pkce
    conforms: true
    evidence: PKCE documented as optional enhancement on the authorization-code flow.
  - id: oidc
    conforms: false
    evidence: No OpenID Connect discovery or id_token documented.
  - id: rfc9457-problem-details
    conforms: false
    evidence: >-
      Errors use the JSON:API `errors` envelope (422 validation) and a
      code/message object, not application/problem+json.
  - id: rest
    conforms: true
    evidence: Resource-oriented CRUD over HTTP with JSON:API media type.