openapi: 3.1.0 info: title: Greenbrier Press Room API version: wp/v2 description: Public, unauthenticated read access to the Greenbrier press room and Perspectives & Updates archive via the WordPress core REST API. Verified live on 2026-09-12 at 245 published posts across 3 categories and 14 tags — earnings announcements, order-book news, facility and product announcements, and corporate commentary. Anonymous access is read-only; the write methods on these routes require WordPress application-password credentials. contact: name: The Greenbrier Companies url: https://www.gbrx.com/contact/ x-derived-from: https://www.gbrx.com/wp-json/ (route-index document, saved verbatim at openapi/_original/greenbrier-cos-wp-json-route-index.json) + live anonymous GET samples x-derived-on: '2026-09-12' x-api-evangelist-note: 'Third-party profile. The Greenbrier Companies publishes no developer program; this documents the anonymously readable WordPress REST surface behind www.gbrx.com. Every path, parameter, type, default and enum below was read from the server''s own published route descriptor on 2026-09-12 — nothing is invented. Only the GET methods are documented: write methods exist on the same routes but require WordPress application-password credentials and are not part of the public surface.' servers: - url: https://www.gbrx.com/wp-json description: Greenbrier WordPress REST API tags: - name: Posts description: Greenbrier press releases, announcements and Perspectives & Updates articles. - name: Taxonomies description: Post categories and tags. paths: /wp/v2/posts: get: operationId: listPosts summary: List posts description: Retrieve a paginated collection of published Greenbrier press room posts, filterable by date window, category, tag, search term and ordering. tags: - Posts parameters: - name: after in: query description: Limit response to posts published after a given ISO8601 compliant date. schema: type: string format: date-time - name: author in: query description: Limit result set to posts assigned to specific authors. schema: type: array items: type: integer default: [] - name: author_exclude in: query description: Ensure result set excludes posts assigned to specific authors. schema: type: array items: type: integer default: [] - name: before in: query description: Limit response to posts published before a given ISO8601 compliant date. schema: type: string format: date-time - name: categories in: query description: Limit result set to items with specific terms assigned in the categories taxonomy. schema: type: object - name: categories_exclude in: query description: Limit result set to items except those with specific terms assigned in the categories taxonomy. schema: type: object - name: context in: query description: Scope under which the request is made; determines fields present in response. schema: type: string enum: - view - embed - edit default: view - name: exclude in: query description: Ensure result set excludes specific IDs. schema: type: array items: type: integer default: [] - name: format in: query description: Limit result set to items assigned one or more given formats. schema: type: array items: type: string enum: - standard - aside - chat - gallery - link - image - quote - status - video - audio - name: ignore_sticky in: query description: Whether to ignore sticky posts or not. schema: type: boolean default: true - name: include in: query description: Limit result set to specific IDs. schema: type: array items: type: integer default: [] - name: modified_after in: query description: Limit response to posts modified after a given ISO8601 compliant date. schema: type: string format: date-time - name: modified_before in: query description: Limit response to posts modified before a given ISO8601 compliant date. schema: type: string format: date-time - name: offset in: query description: Offset the result set by a specific number of items. schema: type: integer - name: order in: query description: Order sort attribute ascending or descending. schema: type: string enum: - asc - desc default: desc - name: orderby in: query description: Sort collection by post attribute. schema: type: string enum: - author - date - id - include - modified - parent - relevance - slug - include_slugs - title default: date - name: page in: query description: Current page of the collection. schema: type: integer default: 1 minimum: 1 - name: per_page in: query description: Maximum number of items to be returned in result set. schema: type: integer default: 10 minimum: 1 maximum: 100 - name: search in: query description: Limit results to those matching a string. schema: type: string - name: search_columns in: query description: Array of column names to be searched. schema: type: array items: type: string enum: - post_title - post_content - post_excerpt default: [] - name: search_semantics in: query description: How to interpret the search input. schema: type: string enum: - exact - name: slug in: query description: Limit result set to posts with one or more specific slugs. schema: type: array items: type: string - name: status in: query description: Limit result set to posts assigned one or more statuses. schema: type: array items: type: string enum: - publish - future - draft - pending - private - trash - auto-draft - inherit - request-pending - request-confirmed - request-failed - request-completed - acf-disabled - wc-pending - wc-processing - wc-on-hold - wc-completed - wc-cancelled - wc-refunded - wc-failed - wc-checkout-draft - email_sent - email_failed - email_scheduled - any default: publish - name: sticky in: query description: Limit result set to items that are sticky. schema: type: boolean - name: tags in: query description: Limit result set to items with specific terms assigned in the tags taxonomy. schema: type: object - name: tags_exclude in: query description: Limit result set to items except those with specific terms assigned in the tags taxonomy. schema: type: object - name: tax_relation in: query description: Limit result set based on relationship between multiple taxonomies. schema: type: string enum: - AND - OR responses: '200': description: A page of posts. content: application/json: schema: type: array items: $ref: '#/components/schemas/Post' headers: X-WP-Total: description: Total number of matching records. schema: type: integer X-WP-TotalPages: description: Total number of pages at the requested per_page size. schema: type: integer '400': description: Invalid parameter (rest_invalid_param). content: application/json: schema: $ref: '#/components/schemas/Error' '404': description: No route or resource matched (rest_no_route / rest_post_invalid_id). content: application/json: schema: $ref: '#/components/schemas/Error' /wp/v2/posts/{id}: get: operationId: getPost summary: Get a post description: Retrieve one post by its numeric ID. tags: - Posts parameters: - name: context in: query description: Scope under which the request is made; determines fields present in response. schema: type: string enum: - view - embed - edit default: view - name: excerpt_length in: query description: Override the default excerpt length. schema: type: integer - name: id in: path description: Unique identifier for the post. required: true schema: type: integer - name: password in: query description: The password for the post if it is password protected. schema: type: string responses: '200': description: Successful response. content: application/json: schema: $ref: '#/components/schemas/Post' '400': description: Invalid parameter (rest_invalid_param). content: application/json: schema: $ref: '#/components/schemas/Error' '404': description: No route or resource matched (rest_no_route / rest_post_invalid_id). content: application/json: schema: $ref: '#/components/schemas/Error' /wp/v2/categories: get: operationId: listCategories summary: List categories description: Retrieve the post categories — Press Room / Perspectives & Updates and siblings. tags: - Taxonomies parameters: - name: context in: query description: Scope under which the request is made; determines fields present in response. schema: type: string enum: - view - embed - edit default: view - name: exclude in: query description: Ensure result set excludes specific IDs. schema: type: array items: type: integer default: [] - name: hide_empty in: query description: Whether to hide terms not assigned to any posts. schema: type: boolean default: false - name: include in: query description: Limit result set to specific IDs. schema: type: array items: type: integer default: [] - name: order in: query description: Order sort attribute ascending or descending. schema: type: string enum: - asc - desc default: asc - name: orderby in: query description: Sort collection by term attribute. schema: type: string enum: - id - include - name - slug - include_slugs - term_group - description - count default: name - name: page in: query description: Current page of the collection. schema: type: integer default: 1 minimum: 1 - name: parent in: query description: Limit result set to terms assigned to a specific parent. schema: type: integer - name: per_page in: query description: Maximum number of items to be returned in result set. schema: type: integer default: 10 minimum: 1 maximum: 100 - name: post in: query description: Limit result set to terms assigned to a specific post. schema: type: integer - name: search in: query description: Limit results to those matching a string. schema: type: string - name: slug in: query description: Limit result set to terms with one or more specific slugs. schema: type: array items: type: string responses: '200': description: Successful response. content: application/json: schema: type: array items: $ref: '#/components/schemas/TaxonomyTerm' headers: X-WP-Total: description: Total number of matching records. schema: type: integer X-WP-TotalPages: description: Total number of pages at the requested per_page size. schema: type: integer '400': description: Invalid parameter (rest_invalid_param). content: application/json: schema: $ref: '#/components/schemas/Error' '404': description: No route or resource matched (rest_no_route / rest_post_invalid_id). content: application/json: schema: $ref: '#/components/schemas/Error' /wp/v2/categories/{id}: get: operationId: getCategory summary: Get a category description: Retrieve one category by ID. tags: - Taxonomies parameters: - name: context in: query description: Scope under which the request is made; determines fields present in response. schema: type: string enum: - view - embed - edit default: view - name: id in: path description: Unique identifier for the term. required: true schema: type: integer responses: '200': description: Successful response. content: application/json: schema: $ref: '#/components/schemas/TaxonomyTerm' '400': description: Invalid parameter (rest_invalid_param). content: application/json: schema: $ref: '#/components/schemas/Error' '404': description: No route or resource matched (rest_no_route / rest_post_invalid_id). content: application/json: schema: $ref: '#/components/schemas/Error' /wp/v2/tags: get: operationId: listTags summary: List tags description: Retrieve post tag terms. tags: - Taxonomies parameters: - name: context in: query description: Scope under which the request is made; determines fields present in response. schema: type: string enum: - view - embed - edit default: view - name: exclude in: query description: Ensure result set excludes specific IDs. schema: type: array items: type: integer default: [] - name: hide_empty in: query description: Whether to hide terms not assigned to any posts. schema: type: boolean default: false - name: include in: query description: Limit result set to specific IDs. schema: type: array items: type: integer default: [] - name: offset in: query description: Offset the result set by a specific number of items. schema: type: integer - name: order in: query description: Order sort attribute ascending or descending. schema: type: string enum: - asc - desc default: asc - name: orderby in: query description: Sort collection by term attribute. schema: type: string enum: - id - include - name - slug - include_slugs - term_group - description - count default: name - name: page in: query description: Current page of the collection. schema: type: integer default: 1 minimum: 1 - name: per_page in: query description: Maximum number of items to be returned in result set. schema: type: integer default: 10 minimum: 1 maximum: 100 - name: post in: query description: Limit result set to terms assigned to a specific post. schema: type: integer - name: search in: query description: Limit results to those matching a string. schema: type: string - name: slug in: query description: Limit result set to terms with one or more specific slugs. schema: type: array items: type: string responses: '200': description: Successful response. content: application/json: schema: type: array items: $ref: '#/components/schemas/TaxonomyTerm' headers: X-WP-Total: description: Total number of matching records. schema: type: integer X-WP-TotalPages: description: Total number of pages at the requested per_page size. schema: type: integer '400': description: Invalid parameter (rest_invalid_param). content: application/json: schema: $ref: '#/components/schemas/Error' '404': description: No route or resource matched (rest_no_route / rest_post_invalid_id). content: application/json: schema: $ref: '#/components/schemas/Error' /wp/v2/tags/{id}: get: operationId: getTag summary: Get a tag description: Retrieve one tag by ID. tags: - Taxonomies parameters: - name: context in: query description: Scope under which the request is made; determines fields present in response. schema: type: string enum: - view - embed - edit default: view - name: id in: path description: Unique identifier for the term. required: true schema: type: integer responses: '200': description: Successful response. content: application/json: schema: $ref: '#/components/schemas/TaxonomyTerm' '400': description: Invalid parameter (rest_invalid_param). content: application/json: schema: $ref: '#/components/schemas/Error' '404': description: No route or resource matched (rest_no_route / rest_post_invalid_id). content: application/json: schema: $ref: '#/components/schemas/Error' components: schemas: Post: type: object properties: id: type: integer date: type: string format: date-time date_gmt: type: string format: date-time guid: type: object properties: rendered: type: string format: uri modified: type: string format: date-time modified_gmt: type: string format: date-time slug: type: string status: type: string type: type: string link: type: string format: uri title: type: object properties: rendered: type: string content: type: object properties: rendered: type: string protected: type: boolean excerpt: type: object properties: rendered: type: string protected: type: boolean author: type: integer featured_media: type: integer comment_status: type: string ping_status: type: string sticky: type: boolean template: type: string format: type: string meta: type: object properties: _acf_changed: type: boolean footnotes: type: string categories: type: array items: type: integer tags: type: array items: type: string class_list: type: array items: type: string acf: type: array items: type: string _links: type: object properties: self: type: array items: type: string collection: type: array items: type: string about: type: array items: type: string author: type: array items: type: string replies: type: array items: type: string version-history: type: array items: type: string predecessor-version: type: array items: type: string wp:featuredmedia: type: array items: type: string wp:attachment: type: array items: type: string wp:term: type: array items: type: string curies: type: array items: type: string description: Shape observed on a live anonymous GET of the Post collection on 2026-09-12. TaxonomyTerm: type: object properties: id: type: integer count: type: integer description: type: string link: type: string format: uri name: type: string slug: type: string taxonomy: type: string parent: type: integer meta: type: array items: type: string acf: type: array items: type: string _links: type: object properties: self: type: array items: type: string collection: type: array items: type: string about: type: array items: type: string up: type: array items: type: string wp:post_type: type: array items: type: string curies: type: array items: type: string description: Shape observed on a live anonymous GET of the TaxonomyTerm collection on 2026-09-12. Error: type: object description: WordPress REST error envelope (WP_Error serialized). properties: code: type: string message: type: string data: type: object properties: status: type: integer