Impossible Metals Media API

openapi: 3.1.0
info:
  title: Impossible Metals Media API
  version: wp/v2
  description: Public, unauthenticated read access to the media library behind impossiblemetals.com (727 attachments
    at capture on 2026-08-23) — Eureka vehicle photography, seabed and nodule imagery, technical diagrams, report
    PDFs and press assets, with their generated size variants.
  contact:
    name: Impossible Metals
    url: https://impossiblemetals.com/contact/
  x-derived-from: https://impossiblemetals.com/wp-json/ route index + per-route HTTP OPTIONS schema documents
  x-derived-on: '2026-08-23'
  x-api-evangelist-note: Third-party profile. Impossible Metals publishes no developer program. This document describes
    the anonymously readable WordPress REST content API served from impossiblemetals.com. Every path, parameter
    and schema was read from the server's own published route index and OPTIONS documents on 2026-08-23 — nothing
    is invented.
servers:
- url: https://impossiblemetals.com/wp-json
  description: Impossible Metals WordPress REST API
tags:
- name: Media
  description: Images, diagrams, PDFs and other attachments with generated size variants.
paths:
  /wp/v2/media:
    get:
      operationId: listMedia
      summary: List media
      description: Retrieve a paginated collection of media attachments. 727 attachments were live at capture.
      tags:
      - Media
      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: 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: after
        in: query
        description: Limit response to posts published after a given ISO8601 compliant date.
        schema:
          type: string
          format: date-time
      - name: modified_after
        in: query
        description: Limit response to posts modified 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
          default: []
          items:
            type: integer
      - name: author_exclude
        in: query
        description: Ensure result set excludes posts assigned to specific authors.
        schema:
          type: array
          default: []
          items:
            type: integer
      - name: before
        in: query
        description: Limit response to posts published before 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: exclude
        in: query
        description: Ensure result set excludes specific IDs.
        schema:
          type: array
          default: []
          items:
            type: integer
      - name: include
        in: query
        description: Limit result set to specific IDs.
        schema:
          type: array
          default: []
          items:
            type: integer
      - name: search_semantics
        in: query
        description: How to interpret the search input.
        schema:
          type: string
          enum:
          - exact
      - 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: parent
        in: query
        description: Limit result set to items with particular parent IDs.
        schema:
          type: array
          default: []
          items:
            type: integer
      - name: parent_exclude
        in: query
        description: Limit result set to all items except those of a particular parent ID.
        schema:
          type: array
          default: []
          items:
            type: integer
      - name: search_columns
        in: query
        description: Array of column names to be searched.
        schema:
          type: array
          default: []
          items:
            enum:
            - post_title
            - post_content
            - post_excerpt
            type: string
      - 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
          default: inherit
          items:
            enum:
            - inherit
            - private
            - trash
            type: string
      - name: media_type
        in: query
        description: Limit result set to attachments of a particular media type or media types.
        schema:
          type: array
          items:
            type: string
            enum:
            - image
            - video
            - text
            - application
            - audio
      - name: mime_type
        in: query
        description: Limit result set to attachments of a particular MIME type or MIME types.
        schema:
          type: array
          items:
            type: string
      responses:
        '200':
          description: List media — success.
          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 per_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/Attachment'
        '400': &id001
          description: Invalid parameter.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RestError'
              examples:
                invalidParam:
                  value:
                    code: rest_invalid_param
                    message: 'Invalid parameter(s): per_page'
                    data:
                      status: 400
                      params:
                        per_page: per_page must be between 1 (inclusive) and 100 (inclusive)
        '404': &id002
          description: WordPress REST error envelope.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RestError'
              examples:
                invalidId:
                  value:
                    code: rest_post_invalid_id
                    message: Invalid post ID.
                    data:
                      status: 404
  /wp/v2/media/{id}:
    get:
      operationId: getMediaItem
      summary: Get a media item
      description: Retrieve a single media attachment by its numeric identifier.
      tags:
      - Media
      parameters:
      - name: id
        in: path
        description: Unique identifier for the post.
        schema:
          type: integer
        required: true
      - 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
      responses:
        '200':
          description: Get a media item — success.
          content:
            application/json:
              schema:
                type: object
        '400': *id001
        '404': *id002
components:
  schemas:
    RestError:
      type: object
      description: The WordPress REST API error envelope. Not RFC 9457 problem+json — it is served as application/json
        with a WordPress-specific code/message/data shape.
      required:
      - code
      - message
      - data
      properties:
        code:
          type: string
          description: Machine-readable WordPress error code, e.g. rest_post_invalid_id.
        message:
          type: string
          description: Human-readable message.
        data:
          type: object
          properties:
            status:
              type: integer
              description: HTTP status code.
            params:
              type: object
              description: Per-parameter validation messages, present on rest_invalid_param.
    Attachment:
      type: object
      properties:
        date:
          type: string
          description: The date the post was published, in the site's timezone.
          format: date-time
        date_gmt:
          type: string
          description: The date the post was published, as GMT.
          format: date-time
        guid:
          type: object
          description: The globally unique identifier for the post.
          readOnly: true
          properties:
            raw:
              type: string
              description: GUID for the post, as it exists in the database.
              readOnly: true
            rendered:
              type: string
              description: GUID for the post, transformed for display.
              readOnly: true
        id:
          type: integer
          description: Unique identifier for the post.
          readOnly: true
        link:
          type: string
          description: URL to the post.
          format: uri
          readOnly: true
        modified:
          type: string
          description: The date the post was last modified, in the site's timezone.
          format: date-time
          readOnly: true
        modified_gmt:
          type: string
          description: The date the post was last modified, as GMT.
          format: date-time
          readOnly: true
        slug:
          type: string
          description: An alphanumeric identifier for the post unique to its type.
        status:
          type: string
          description: A named status for the post.
          enum:
          - publish
          - future
          - draft
          - pending
          - private
          - tribe-ea-success
          - tribe-ea-failed
          - tribe-ea-schedule
          - tribe-ea-pending
          - tribe-ea-draft
          - tribe-ignored
        type:
          type: string
          description: Type of post.
          readOnly: true
        permalink_template:
          type: string
          description: Permalink template for the post.
          readOnly: true
        generated_slug:
          type: string
          description: Slug automatically generated from the post title.
          readOnly: true
        class_list:
          type: array
          description: An array of the class names for the post container element.
          readOnly: true
          items:
            type: string
        title:
          type: object
          description: The title for the post.
          properties:
            raw:
              type: string
              description: Title for the post, as it exists in the database.
            rendered:
              type: string
              description: HTML title for the post, transformed for display.
              readOnly: true
        author:
          type: integer
          description: The ID for the author of the post.
        featured_media:
          type: integer
          description: The ID of the featured media for the post.
        comment_status:
          type: string
          description: Whether or not comments are open on the post.
          enum:
          - open
          - closed
        ping_status:
          type: string
          description: Whether or not the post can be pinged.
          enum:
          - open
          - closed
        meta:
          type: object
          description: Meta fields.
          properties:
            inline_featured_image:
              type: boolean
        template:
          type: string
          description: The theme file to use to display the post.
        alt_text:
          type: string
          description: Alternative text to display when attachment is not displayed.
        caption:
          type: object
          description: The attachment caption.
          properties:
            raw:
              type: string
              description: Caption for the attachment, as it exists in the database.
            rendered:
              type: string
              description: HTML caption for the attachment, transformed for display.
              readOnly: true
        description:
          type: object
          description: The attachment description.
          properties:
            raw:
              type: string
              description: Description for the attachment, as it exists in the database.
            rendered:
              type: string
              description: HTML description for the attachment, transformed for display.
              readOnly: true
        media_type:
          type: string
          description: Attachment type.
          enum:
          - image
          - file
          readOnly: true
        mime_type:
          type: string
          description: The attachment MIME type.
          readOnly: true
        media_details:
          type: object
          description: Details about the media file, specific to its type.
          readOnly: true
        post:
          type: integer
          description: The ID for the associated post of the attachment.
        source_url:
          type: string
          description: URL to the original attachment file.
          format: uri
          readOnly: true
        missing_image_sizes:
          type: array
          description: List of the missing image sizes of the attachment.
          readOnly: true
          items:
            type: string
        filename:
          type: string
          description: Original attachment file name.
          readOnly: true
        filesize:
          type: integer
          description: Attachment file size in bytes.
          readOnly: true
        exif_orientation:
          type: integer
          description: EXIF orientation value. Values 1-8 follow the EXIF specification, where 1 means no rotation
            needed.
          readOnly: true
        image_quality:
          type: object
          description: Encode quality (1-100) from the wp_editor_set_quality filter, resolved against the output
            MIME type. The "default" value applies to the full-size image; "sizes" lists per-registered-size overrides
            where the filtered value differs from "default".
          readOnly: true
          properties:
            default:
              type: integer
            sizes:
              type: object
              properties:
                thumbnail:
                  type: integer
                medium:
                  type: integer
                medium_large:
                  type: integer
                large:
                  type: integer
                1536x1536:
                  type: integer
                2048x2048:
                  type: integer
                blog-large:
                  type: integer
                blog-medium:
                  type: integer
                recent-posts:
                  type: integer
                recent-works-thumbnail:
                  type: integer
                fusion-200:
                  type: integer
                fusion-400:
                  type: integer
                fusion-600:
                  type: integer
                fusion-800:
                  type: integer
                fusion-1200:
                  type: integer
                portfolio-full:
                  type: integer
                portfolio-one:
                  type: integer
                portfolio-two:
                  type: integer
                portfolio-three:
                  type: integer
                portfolio-five:
                  type: integer
                gform-image-choice-sm:
                  type: integer
                gform-image-choice-md:
                  type: integer
                gform-image-choice-lg:
                  type: integer
        image_output_format:
          type: string
          description: The output MIME type this image should be converted to, based on the image_editor_output_format
            filter. Null if no conversion is needed.
          readOnly: true
        image_save_progressive:
          type: boolean
          description: Whether to use progressive/interlaced encoding when saving this image.
          readOnly: true