Election Assistance Commission Block API

openapi: 3.2.0
info:
  title: 'U.S. Election Assistance Commission Content JSON: Block API'
  version: '1.0'
  summary: Anonymous, read-only JSON:API 1.0 over the EAC's public content estate at www.eac.gov — voting system certifications, test labs, manufacturers, NVRA state pages, HAVA grant financials and the Clearinghouse Awards.
  description: The U.S.
  contact:
    name: U.S. Election Assistance Commission
    url: https://www.eac.gov/contact
  license:
    name: U.S. Government Work — generally public domain under 17 U.S.C. 105
    url: https://www.eac.gov/main/privacy-statement
  x-derived-by: API Evangelist enrichment pipeline
  x-derived-from: https://www.eac.gov/jsonapi
  x-derived-on: '2026-09-06'
  x-publisher-provided: false
servers:
- url: https://www.eac.gov/jsonapi
  description: Production JSON:API entry point. Public, anonymous, read-only.
security: []
tags:
- name: Block
  description: Theme block placements.
paths:
  /block/block:
    get:
      operationId: listBlockBlock
      summary: List block--block resources
      tags:
      - Block
      description: 'Probed anonymously 2026-09-06: HTTP 200, `application/vnd.api+json`, at least one resource object returned.'
      parameters:
      - $ref: '#/components/parameters/pageLimit'
      - $ref: '#/components/parameters/pageOffset'
      - $ref: '#/components/parameters/sort'
      - $ref: '#/components/parameters/filter'
      - $ref: '#/components/parameters/include'
      - $ref: '#/components/parameters/fields'
      responses:
        '200':
          description: JSON:API collection document.
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/CollectionDocument'
        '400':
          $ref: '#/components/responses/BadRequest'
        '405':
          $ref: '#/components/responses/MethodNotAllowed'
        '503':
          $ref: '#/components/responses/ServiceUnavailable'
      x-probe:
        url: https://www.eac.gov/jsonapi/block/block?page[limit]=1
        http_status: 200
        content_type: application/vnd.api+json
        fetched: '2026-09-06'
  /block/block/{id}:
    get:
      operationId: getBlockBlock
      summary: Get one block--block resource by UUID
      tags:
      - Block
      description: Returns a single resource object. Individual reads were verified on 2026-09-06 against `node--voting_system`; the route exists for every collection above. An unknown UUID returns HTTP 404 with a JSON:API error document.
      parameters:
      - $ref: '#/components/parameters/resourceId'
      - $ref: '#/components/parameters/include'
      - $ref: '#/components/parameters/fields'
      responses:
        '200':
          description: JSON:API individual document.
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/IndividualDocument'
        '404':
          $ref: '#/components/responses/NotFound'
        '405':
          $ref: '#/components/responses/MethodNotAllowed'
        '503':
          $ref: '#/components/responses/ServiceUnavailable'
components:
  schemas:
    ErrorObject:
      type: object
      description: JSON:API error object as emitted by Drupal. Verified shapes observed 2026-09-06 for 400, 404 and 405.
      properties:
        title:
          type: string
          example: Bad Request
        status:
          type: string
          example: '400'
        detail:
          type: string
          example: Invalid nested filtering. The field `nope`, given in the path `nope`, does not exist.
        links:
          type: object
          properties:
            via:
              $ref: '#/components/schemas/Link'
            info:
              $ref: '#/components/schemas/Link'
    CollectionDocument:
      type: object
      required:
      - jsonapi
      - data
      properties:
        jsonapi:
          $ref: '#/components/schemas/JsonApiObject'
        data:
          type: array
          items:
            $ref: '#/components/schemas/ResourceObject'
        included:
          type: array
          items:
            $ref: '#/components/schemas/ResourceObject'
        meta:
          type: object
          description: Carries `omitted` when Drupal suppressed resources the anonymous caller may not read.
          additionalProperties: true
        links:
          $ref: '#/components/schemas/Links'
    Link:
      type: object
      properties:
        href:
          type: string
          format: uri
        meta:
          type: object
          additionalProperties: true
    ResourceObject:
      type: object
      required:
      - type
      - id
      description: A JSON:API resource object. Attribute and relationship keys are Drupal field machine names and vary by bundle; see x-observed-fields on each path.
      properties:
        type:
          type: string
        id:
          type: string
          format: uuid
        links:
          type: object
          additionalProperties: true
        attributes:
          type: object
          additionalProperties: true
        relationships:
          type: object
          additionalProperties:
            $ref: '#/components/schemas/Relationship'
    ErrorDocument:
      type: object
      required:
      - jsonapi
      - errors
      properties:
        jsonapi:
          $ref: '#/components/schemas/JsonApiObject'
        errors:
          type: array
          items:
            $ref: '#/components/schemas/ErrorObject'
    Relationship:
      type: object
      properties:
        data:
          description: Resource identifier object, array of them, or null.
        links:
          type: object
          additionalProperties: true
    JsonApiObject:
      type: object
      properties:
        version:
          type: string
          const: '1.0'
        meta:
          type: object
          additionalProperties: true
    IndividualDocument:
      type: object
      required:
      - jsonapi
      - data
      properties:
        jsonapi:
          $ref: '#/components/schemas/JsonApiObject'
        data:
          $ref: '#/components/schemas/ResourceObject'
        included:
          type: array
          items:
            $ref: '#/components/schemas/ResourceObject'
        links:
          $ref: '#/components/schemas/Links'
    Links:
      type: object
      description: Pagination and self links. `next` / `prev` appear only when more pages exist.
      properties:
        self:
          $ref: '#/components/schemas/Link'
        next:
          $ref: '#/components/schemas/Link'
        prev:
          $ref: '#/components/schemas/Link'
      additionalProperties: true
  parameters:
    include:
      name: include
      in: query
      required: false
      description: Comma-separated relationship paths to side-load into `included`. Verified 2026-09-06 with `include=field_manufacturer,field_testing_lab,field_certification_status`.
      schema:
        type: string
      example: field_manufacturer,field_testing_lab
    fields:
      name: fields
      in: query
      required: false
      style: deepObject
      explode: true
      description: 'Sparse fieldsets, keyed by resource type: `fields[node--voting_system]=title,field_version`.'
      schema:
        type: object
        additionalProperties:
          type: string
    sort:
      name: sort
      in: query
      required: false
      description: Comma-separated field list; prefix a field with `-` to sort descending. Verified 2026-09-06 with `sort=-field_certification_date`.
      schema:
        type: string
      example: -field_certification_date
    resourceId:
      name: id
      in: path
      required: true
      description: The resource object UUID.
      schema:
        type: string
        format: uuid
    pageLimit:
      name: page[limit]
      in: query
      required: false
      description: Maximum number of resource objects to return. Drupal JSON:API caps this at 50.
      schema:
        type: integer
        minimum: 1
        maximum: 50
        default: 50
    filter:
      name: filter
      in: query
      required: false
      style: deepObject
      explode: true
      description: JSON:API filter. Shorthand `filter[field]=value`, or the long form `filter[label][path]=title&filter[label][operator]=CONTAINS&filter[label][value]=Privacy`. Verified 2026-09-06. An unknown field returns HTTP 400 `Invalid nested filtering`.
      schema:
        type: object
        additionalProperties: true
    pageOffset:
      name: page[offset]
      in: query
      required: false
      description: Zero-based offset into the collection. Follow `links.next` rather than computing offsets.
      schema:
        type: integer
        minimum: 0
        default: 0
  responses:
    BadRequest:
      description: Invalid query parameter — e.g. a filter naming a field that does not exist. Observed 2026-09-06.
      content:
        application/vnd.api+json:
          schema:
            $ref: '#/components/schemas/ErrorDocument'
          example:
            errors:
            - title: Bad Request
              status: '400'
              detail: Invalid nested filtering. The field `nope`, given in the path `nope`, does not exist.
    MethodNotAllowed:
      description: The EAC configures JSON:API for read operations only; every write verb returns 405. Observed 2026-09-06 on POST /node/article.
      content:
        application/vnd.api+json:
          schema:
            $ref: '#/components/schemas/ErrorDocument'
          example:
            errors:
            - title: Method Not Allowed
              status: '405'
              detail: JSON:API is configured to accept only read operations. Site administrators can configure this at https://www.eac.gov/admin/config/services/jsonapi.
    NotFound:
      description: No resource object with that UUID in this collection. Observed 2026-09-06.
      content:
        application/vnd.api+json:
          schema:
            $ref: '#/components/schemas/ErrorDocument'
          example:
            errors:
            - title: Not Found
              status: '404'
              detail: 'The "entity" parameter was not converted for the path "/jsonapi/node/voting_system/{entity}" (route name: "jsonapi.node--voting_system.individual")'
    ServiceUnavailable:
      description: Acquia/Varnish "Technical Difficulties" page (HTML, not JSON:API). Observed 2026-09-06 and persisting across three retries for node--event, user--user and token_custom--custom.
      content:
        text/html:
          schema:
            type: string
x-provenance:
  generated: '2026-09-06'
  method: probed
  source: https://www.eac.gov/jsonapi
  author: API Evangelist
x-probe:
  fetched: '2026-09-06'
  index:
    url: https://www.eac.gov/jsonapi
    http_status: 200
    content_type: application/vnd.api+json
    resource_types_advertised: 215
  described: 86
  excluded:
    empty_collection:
    - ai_file--ai_file
    - ai_guardrail--ai_guardrail
    - ai_guardrail_set--ai_guardrail_set
    - ai_prompt--ai_prompt
    - ai_prompt_type--ai_prompt_type
    - comment--comment
    - facets_summary--facets_summary
    - feeds_feed--cares_grants
    - feeds_feed--engineering_change_orders
    - feeds_feed--register_vote_and_contact_state
    - feeds_feed--state_requirement_payments
    - feeds_subscription--feeds_subscription
    - flagging--following
    - key_config_override--key_config_override
    - media--galleries
    - media_bulk_config--media_bulk_config
    - node--jurisdiction_data
    - paragraph--eavs_data
    - paragraph--poll_worker_information
    - paragraph--voting_policies_information
    - paragraph--voting_technology_information
    - search_api_task--search_api_task
    - taxonomy_term--ai_tones
    - taxonomy_term--eavs_states
    - taxonomy_term--galleries
    - taxonomy_term--media_directories
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    - taxonomy_term--test
    - taxonomy_term--uswds_classes
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    - vote--reaction_20_somewhat
    - vote--reaction_30_no
    - vote--vote
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    - webform_submission--demo_webform
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    - webform_submission--template_contact
    - webform_submission--template_employee_evaluation
    - webform_submission--template_feedback
    - webform_submission--template_issue
    - webform_submission--template_job_application
    - webform_submission--template_job_seeker_profile
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    - webform_submission--template_session_evaluation
    - webform_submission--template_subscribe
    - webform_submission--template_user_profile
    - webform_submission--vulnerability_disclosure_policy
    omitted_insufficient_authorization:
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    - base_field_override--base_field_override
    - behavior_settings--behavior_settings
    - block_content_type--block_content_type
    - captcha_point--captcha_point
    - comment_type--comment_type
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    - configurable_language--configurable_language
    - crop--focal_point
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    - facets_facet_source--facets_facet_source
    - feeds_feed--es_funds
    - feeds_feed--notice_of_clarification
    - feeds_feed_type--feeds_feed_type
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    - field_storage_config--field_storage_config
    - filter_format--filter_format
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    - flexslider--flexslider
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    - media--archive
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    - node--slideshow_slide
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    - shortcut--default
    - shortcut_set--shortcut_set
    - simple_sitemap--simple_sitemap
    - simple_sitemap_type--simple_sitemap_type
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    - slick--slick
    - taxonomy_term--uswds_breakpoints
    - taxonomy_vocabulary--taxonomy_vocabulary
    - token_custom_type--token_custom_type
    - tour--tour
    - user_role--user_role
    - view--view
    - vote_type--vote_type
    - webform--webform
    - webform_options--webform_options
    - workflow--workflow
    non_200:
      contact_message--feedback: 405
      contact_message--personal: 405
      node--event: 503
      token_custom--custom: 503
      user--user: 503
  write_surface:
    probe: POST https://www.eac.gov/jsonapi/node/article
    http_status: 405
    detail: JSON:API is configured to accept only read operations.
  response_headers_observed:
  - 'x-generator: Drupal 10'
  - 'cache-control: max-age=31536000, public'
  - etag
  - last-modified
  - x-drupal-cache
  - x-request-id
  - 'server: cloudflare'
  - 'via: varnish'
  rate_limit_headers_observed: []