# generated: '2026-09-04'
# method: derived
# source: https://www.xgsenergy.com/wp-json/ (live route index, probed 2026-09-04)
openapi: 3.1.0
info:
  title: XGS Energy Categories API
  version: wp/v2
  description: Public read-only access to xgsenergy.com post categories.
  contact:
    name: XGS Energy
    url: https://www.xgsenergy.com/contact/
  x-provenance:
    generated: '2026-09-04'
    method: derived
    source: https://www.xgsenergy.com/wp-json/ (live route index, probed 2026-09-04)
    note: Derived from the self-describing WordPress REST route index served by XGS Energy at https://www.xgsenergy.com/wp-json/.
      Parameters, types, defaults and enums are copied from that document; response codes, headers and
      error codes were observed on live anonymous requests on 2026-09-04. Nothing here is invented. XGS
      Energy publishes no OpenAPI of its own.
servers:
- url: https://www.xgsenergy.com/wp-json
  description: XGS Energy WordPress REST API (www.xgsenergy.com)
tags:
- name: Categories
paths:
  /wp/v2/categories:
    get:
      operationId: listCategories
      summary: List post categories
      description: Anonymous listing of the post categories used on xgsenergy.com. Verified live at 4
        categories on 2026-09-04.
      tags:
      - Categories
      parameters:
      - name: context
        in: query
        required: false
        schema:
          type: string
          enum:
          - view
          - embed
          - edit
          default: view
        description: Scope under which the request is made; determines fields present in response.
      - name: exclude
        in: query
        required: false
        schema:
          type: array
          items:
            type: integer
          default: []
        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
          items:
            type: integer
          default: []
        description: Limit result set to specific IDs.
      - name: order
        in: query
        required: false
        schema:
          type: string
          enum:
          - asc
          - desc
          default: asc
        description: Order sort attribute ascending or descending.
      - name: orderby
        in: query
        required: false
        schema:
          type: string
          enum:
          - id
          - include
          - name
          - slug
          - include_slugs
          - term_group
          - description
          - count
          default: name
        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 page of records.
          headers:
            X-WP-Total:
              description: Total records matching the query (observed live).
              schema:
                type: integer
            X-WP-TotalPages:
              description: Total pages at the current per_page (observed live).
              schema:
                type: integer
            Link:
              description: RFC 8288 pagination links, rel="prev" / rel="next" (observed live).
              schema:
                type: string
          content:
            application/json:
              schema:
                type: array
                items:
                  type: object
        '400':
          description: Invalid parameter. WordPress REST error envelope; observed code `rest_invalid_param`.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Not authorized for the requested context. Observed codes `rest_forbidden`, `rest_cannot_view`.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /wp/v2/categories/{id}:
    get:
      operationId: getCategory
      summary: Get a category by id
      description: Retrieve one category term.
      tags:
      - Categories
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: integer
      - name: context
        in: query
        required: false
        schema:
          type: string
          enum:
          - view
          - embed
          - edit
          default: view
        description: Scope of the response. Anonymous callers may use view or embed only.
      responses:
        '200':
          description: The requested record.
          content:
            application/json:
              schema:
                type: object
        '401':
          description: Not authorized for the requested context. Observed codes `rest_forbidden`, `rest_cannot_view`.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Resource not found. Observed code `rest_post_invalid_id`.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    Error:
      type: object
      description: WordPress REST API error envelope (not RFC 9457 problem+json).
      properties:
        code:
          type: string
          description: Machine-readable error slug, e.g. rest_invalid_param.
        message:
          type: string
          description: Human-readable message.
        data:
          type: object
          properties:
            status:
              type: integer
            params:
              type: object
            details:
              type: object
      required:
      - code
      - message