openapi: 3.2.0
info:
  title: Alzheon Content API (WordPress REST) Taxonomy API
  version: wp/v2
  summary: Read-only access to the press releases, news, pages and media published on alzheon.com.
  description: 'Alzheon does not operate a product or developer API. Its corporate site, alzheon.com, does however serve the standard WordPress REST API anonymously at `https://alzheon.com/wp-json`, which makes the company''s press releases, in-the-news items, science/pipeline pages, media library and taxonomies machine-readable without a key.


    This document was DERIVED by API Evangelist from the provider''s own live route index (`GET https://alzheon.com/wp-json/`) on 2026-07-31. Every path, method, parameter name, type, default, enumeration and parameter description is copied verbatim from that index; nothing was invented. Only routes that were individually probed and observed to return HTTP 200 to an anonymous request are included — administrative routes such as `/wp/v2/settings` and `/wp/v2/plugins` return 401 and are deliberately omitted, as are all write operations, which require WordPress application-password credentials the company does not issue publicly.


    This is NOT a first-party API product and Alzheon publishes no developer documentation, SDKs, support channel or terms of use for it. Treat it as an incidental content surface.'
  contact:
    name: Alzheon, Inc.
    url: https://alzheon.com/contact/
  x-origin:
  - url: https://alzheon.com/wp-json/
    format: wordpress-rest-route-index
    version: wp/v2
  x-apievangelist-method: derived
  x-apievangelist-derived-from: https://alzheon.com/wp-json/ (live route index, fetched 2026-07-31)
  x-apievangelist-note: Incidental CMS content API, not a product API. Derived, not published by Alzheon.
servers:
- url: https://alzheon.com/wp-json
  description: alzheon.com WordPress REST API
security: []
tags:
- name: Taxonomy
  description: Categories and tags used to classify content.
paths:
  /wp/v2/categories:
    get:
      operationId: listCategories
      summary: List categories
      description: Return a paginated collection of categories published on alzheon.com. Anonymous read access; the total item and page counts are returned in the `X-WP-Total` and `X-WP-TotalPages` response headers and the next/previous pages in the `Link` header.
      tags:
      - Taxonomy
      parameters:
      - name: context
        in: query
        required: false
        schema:
          type: string
          default: view
          enum:
          - view
          - embed
          - edit
        description: Scope under which the request is made; determines fields present in response.
      - name: exclude
        in: query
        required: false
        schema:
          type: array
          default: []
          items:
            type: integer
        description: Ensure result set excludes specific IDs.
      - name: hide_empty
        in: query
        required: false
        schema:
          type: boolean
          default: false
        description: Whether to hide terms not assigned to any posts.
      - name: include
        in: query
        required: false
        schema:
          type: array
          default: []
          items:
            type: integer
        description: Limit result set to specific IDs.
      - name: order
        in: query
        required: false
        schema:
          type: string
          default: asc
          enum:
          - asc
          - desc
        description: Order sort attribute ascending or descending.
      - name: orderby
        in: query
        required: false
        schema:
          type: string
          default: name
          enum:
          - id
          - include
          - name
          - slug
          - include_slugs
          - term_group
          - description
          - count
        description: Sort collection by term attribute.
      - name: page
        in: query
        required: false
        schema:
          type: integer
          default: 1
          minimum: 1
        description: Current page of the collection.
      - name: parent
        in: query
        required: false
        schema:
          type: integer
        description: Limit result set to terms assigned to a specific parent.
      - name: per_page
        in: query
        required: false
        schema:
          type: integer
          default: 10
          minimum: 1
          maximum: 100
        description: Maximum number of items to be returned in result set.
      - name: post
        in: query
        required: false
        schema:
          type: integer
        description: Limit result set to terms assigned to a specific post.
      - name: search
        in: query
        required: false
        schema:
          type: string
        description: Limit results to those matching a string.
      - name: slug
        in: query
        required: false
        schema:
          type: array
          items:
            type: string
        description: Limit result set to terms with one or more specific slugs.
      responses:
        '200':
          description: A collection of categories.
          headers:
            X-WP-Total:
              description: Total number of items in the unpaginated collection.
              schema:
                type: integer
            X-WP-TotalPages:
              description: Total number of pages available at the requested page size.
              schema:
                type: integer
            Link:
              description: RFC 8288 pagination links (rel="next" / rel="prev").
              schema:
                type: string
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Object'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /wp/v2/categories/{id}:
    get:
      operationId: getCategory
      summary: Get a category
      description: Return a single category by its numeric identifier.
      tags:
      - Taxonomy
      parameters:
      - name: context
        in: query
        required: false
        schema:
          type: string
          default: view
          enum:
          - view
          - embed
          - edit
        description: Scope under which the request is made; determines fields present in response.
      - name: id
        in: path
        required: true
        schema:
          type: integer
        description: Unique identifier for the term.
      responses:
        '200':
          description: The requested category.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Object'
        '404':
          $ref: '#/components/responses/NotFound'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /wp/v2/tags:
    get:
      operationId: listTags
      summary: List tags
      description: Return a paginated collection of tags published on alzheon.com. Anonymous read access; the total item and page counts are returned in the `X-WP-Total` and `X-WP-TotalPages` response headers and the next/previous pages in the `Link` header.
      tags:
      - Taxonomy
      parameters:
      - name: context
        in: query
        required: false
        schema:
          type: string
          default: view
          enum:
          - view
          - embed
          - edit
        description: Scope under which the request is made; determines fields present in response.
      - name: exclude
        in: query
        required: false
        schema:
          type: array
          default: []
          items:
            type: integer
        description: Ensure result set excludes specific IDs.
      - name: hide_empty
        in: query
        required: false
        schema:
          type: boolean
          default: false
        description: Whether to hide terms not assigned to any posts.
      - name: include
        in: query
        required: false
        schema:
          type: array
          default: []
          items:
            type: integer
        description: Limit result set to specific IDs.
      - name: offset
        in: query
        required: false
        schema:
          type: integer
        description: Offset the result set by a specific number of items.
      - name: order
        in: query
        required: false
        schema:
          type: string
          default: asc
          enum:
          - asc
          - desc
        description: Order sort attribute ascending or descending.
      - name: orderby
        in: query
        required: false
        schema:
          type: string
          default: name
          enum:
          - id
          - include
          - name
          - slug
          - include_slugs
          - term_group
          - description
          - count
        description: Sort collection by term attribute.
      - name: page
        in: query
        required: false
        schema:
          type: integer
          default: 1
          minimum: 1
        description: Current page of the collection.
      - name: per_page
        in: query
        required: false
        schema:
          type: integer
          default: 10
          minimum: 1
          maximum: 100
        description: Maximum number of items to be returned in result set.
      - name: post
        in: query
        required: false
        schema:
          type: integer
        description: Limit result set to terms assigned to a specific post.
      - name: search
        in: query
        required: false
        schema:
          type: string
        description: Limit results to those matching a string.
      - name: slug
        in: query
        required: false
        schema:
          type: array
          items:
            type: string
        description: Limit result set to terms with one or more specific slugs.
      responses:
        '200':
          description: A collection of tags.
          headers:
            X-WP-Total:
              description: Total number of items in the unpaginated collection.
              schema:
                type: integer
            X-WP-TotalPages:
              description: Total number of pages available at the requested page size.
              schema:
                type: integer
            Link:
              description: RFC 8288 pagination links (rel="next" / rel="prev").
              schema:
                type: string
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Object'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /wp/v2/tags/{id}:
    get:
      operationId: getTag
      summary: Get a tag
      description: Return a single tag by its numeric identifier.
      tags:
      - Taxonomy
      parameters:
      - name: context
        in: query
        required: false
        schema:
          type: string
          default: view
          enum:
          - view
          - embed
          - edit
        description: Scope under which the request is made; determines fields present in response.
      - name: id
        in: path
        required: true
        schema:
          type: integer
        description: Unique identifier for the term.
      responses:
        '200':
          description: The requested tag.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Object'
        '404':
          $ref: '#/components/responses/NotFound'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    Error:
      type: object
      description: The WordPress REST error envelope. This API does NOT use RFC 9457 application/problem+json.
      required:
      - code
      - message
      - data
      properties:
        code:
          type: string
          description: Machine-readable error code, e.g. rest_post_invalid_id.
        message:
          type: string
          description: Human-readable error message.
        data:
          type: object
          properties:
            status:
              type: integer
              description: HTTP status code.
    Object:
      type: object
      description: A WordPress REST resource. Shape varies by route; the authoritative per-route schema is served by an OPTIONS request against the route.
      additionalProperties: true
      properties:
        id:
          type: integer
          description: Unique identifier for the object.
        slug:
          type: string
          description: An alphanumeric identifier for the object unique to its type.
        link:
          type: string
          format: uri
          description: URL to the object.
  responses:
    BadRequest:
      description: Invalid parameter.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: No object exists with that identifier.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: The route requires authenticated WordPress credentials.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    applicationPassword:
      type: http
      scheme: basic
      description: 'WordPress application passwords (HTTP Basic: username + application password). Advertised by the site''s route index at https://alzheon.com/wp-admin/authorize-application.php. Required only for write and administrative routes, which are not part of this document; all operations here are readable anonymously.'