Unofficial API specification extracted from Pixiv Android App

Pixiv Public API.yaml

swagger: "2.0"
info:
  title: "Pixiv Public API"
  description: "Unofficial API specification extracted from Pixiv Android App v4.8.2"
  version: "1.0"
host: public-api.secure.pixiv.net
schemes:
  - https
basePath: /v1
produces:
  - application/json
consumes:
  - application/x-www-form-urlencoded;charset=UTF-8
  
definitions:
  GenericWrapper:
    description: "All responses from all endpoints are wrapped with this generic object."
    required:
      - status
    properties:
      status:
        type: string
        enum: ["success", "failure"]

  ResponseWrapper:
    description: "Succsessfull response"
    allOf:
      - $ref: "#/definitions/GenericWrapper"
      - properties:
          count:
            type: integer
          pagination:
            type: object
            required:
              - pages
              - previous
              - current
              - per_page
              - next
              - total
            properties:
              pages:
                type: integer
              previous:
                type: integer
              current:
                type: integer
              per_page:
                type: integer
              next:
                type: integer
              total:
                type: integer
        required:
          - count

  Error:
    description: "Generic error"
    required:
      - has_error
    allOf:
      - $ref: "#/definitions/GenericWrapper"
      - properties:
          has_error:
            type: boolean
          errors:
            type: object
            required:
              - system
            properties:
              system:
                type: object
                required:
                  - message
                properties:
                  message:
                    description: "Error message"
                    type: string

  ImageUrls:
    description: "Urls for the different sizes of picture"
    properties:
      large:
        type: string
      medium:
        type: string
      small:
        type: string
      max_240x240:
        type: string
      px_120x:
        type: string
      px_128x128:
        type: string
      px_16x16:
        type: string
      px_170x170:
        type: string
      px_480mw:
        type: string
      px_48x48:
        type: string
      px_50x50:
        type: string
      px_56x56:
        type: string
      px_64x64:
        type: string
      ugoira600x600:
        type: string
      ugoira1920x1080:
        type: string
        
  Emoji:
    properties:
      id:
        type: integer
      slug:
        type: string
      image_urls:
        $ref: "#/definitions/ImageUrls"

  EmojisResponseWrapper:
    required:
      - response
    properties:
      response:
        type: array
        items:
          $ref: "#/definitions/Emoji"

  UserStats:
    description: "User statistics"
    required:
      - favorites
      - following
      - friends
      - works
    properties:
      favorites:
          description: "Number of bookmarks"
          type: integer
      following:
          description: "Number of followed users"
          type: integer
      friends:
          description: "Number of friends"
          type: integer
      works:
          description: "Number of submitted works"
          type: integer

  Workspace:
    description: "Workspaces"
    required:
      - chair
      - computer
      - image_url
      - monitor
      - mouse
      - music
      - on_table
      - other
      - printer
      - scanner
      - software
      - table
      - tablet
    properties:
      chair:
        description: "Chair"
        type: string
      computer:
        description: "Computer"
        type: string
      image_url:
        description: "Full sized workspace photo"
        type: string
      image_urls:
          $ref: "#/definitions/ImageUrls"
      monitor:
        description: "Monitor"
        type: string
      mouse:
        description: "Mouse"
        type: string
      music:
        description: "Drawing tunes"
        type: string
      on_table:
        description: "On top of your desk"
        type: string
      other:
        description: "Others"
        type: string
      printer:
        description: "Printer"
        type: string
      scanner:
        description: "Scanner"
        type: string
      software:
        description: "Software used"
        type: string
      table:
        description: "Table"
        type: string
      tablet:
        description: "Graphic tablet"
        type: string

  Profile:
    description: "Profile information"
    required:
      - birth_date
      - blood_type
      - contacts
      - homepage
      - introduction
      - job
      - location
      - tags
    properties:
        birth_date:
          format: date
          type: string
        blood_type:
          type: string
        contacts:
          type: object
          properties:
            twitter:
              type: string
        homepage:
          type: string
        introduction:
          type: string
        job:
          type: string
        location:
          type: string
        tags:
          type: string
        workspace:
          $ref: "#/definitions/Workspace"

  User:
    required:
      - account
      - id
      - is_follower
      - is_following
      - is_friend
      - is_premium
      - name
      - profile
      - profile_image_urls
      - stats
    properties:
        account:
            description: "Pixiv ID"
            type: string
        id:
            type: integer
        is_follower:
            type: boolean
        is_following:
            type: boolean
        is_friend:
            type: boolean
        is_premium:
            type: boolean
        name:
            type: string
        profile:
            $ref: "#/definitions/Profile"
        profile_image_urls:
            $ref: "#/definitions/ImageUrls"
        stats:
            $ref: "#/definitions/UserStats"

  UsersResponseWrapper:
    required:
      - response
    properties:
      response:
        type: array
        items:
          $ref: "#/definitions/User"

  WorkStats:
    description: "Work statistics"
    required:
      - views_count
      - commented_count
      - scored_count
      - favorited_count
      - score
    properties:
      views_count:
        type: integer
      commented_count:
        type: integer
      scored_count:
        type: integer
      favorited_count:
        type: object
        properties:
          public:
            type: number
          private:
            type: number
      score:
        type: integer

  IllustMetadata:
    description: "Illustration metadata"
    required:
      - pages
    properties:
      pages:
        type: array
        items:
          $ref: "#/definitions/ImageUrls"

  UgoiraMetadata:
    description: "Ugoria metadata"
    required:
      - frames
      - zip_urls
    properties:
      frames:
        type: array
        items:
          type: object
          properties:
            delay_msec:
              type: integer
      zip_urls:
        $ref: "#/definitions/ImageUrls"

  Work:
    description: "Illust, manga or ugoira"
    required:
      - id
      - image_urls
    properties:
      id:
        type: integer
      type:
        type: string
        enum: ["illustration", "manga", "ugoira"]
      age_limit:
        type: string
        enum: ["all-age", "r18", "r18g"]
      is_manga:
        type: boolean
      is_liked:
        type: boolean
      created_time:
        type: string
        format: date-time
      reuploaded_time:
        type: string
        format: date-time
      favorite_id:
        description: "Favorite id or 0"
        type: integer
      book_style:
        type: string
        enum: ["none", "left_to_right", "right_to_left"]
      width:
        type: integer
      height:
        type: integer
      page_count:
        type: integer
      user:
        $ref: "#/definitions/User"
      stats:
        $ref: "#/definitions/WorkStats"
      metadata:
        allOf:
          - $ref: "#/definitions/IllustMetadata"
          - $ref: "#/definitions/UgoiraMetadata"
      image_urls:
        $ref: "#/definitions/ImageUrls"
      tools:
        type: array
        items:
          type: string
      tags:
        type: array
        items:
          type: string
      title:
        type: string
      caption:
        description: "Description"
        type: string
      content_type:
        description: "Unused"
        type: integer
      publicity:
        description: "Unused"
        type: integer
      sanity_level:
        description: "Found on spotlighted works"
        type: string
        enum: ["white", "black"]

  Comment:
    required:
      - id
      - text
      - user
    properties:
      id:
        description: "Comment id"
        type: integer
      parent_id:
        description: "Parent comment id for this one"
        type: integer
      root_id:
        description: "First comment id in the thread"
        type: integer
      illust_id:
        description: "Illust id this comment for"
        type: integer
      novel_id:
        description: "Novel id this comment for"
        type: integer
      commented_time:
        description: "Comment date and time"
        type: string
        format: date-time
      stamp:
        description: "Unused"
        type: string
      text:
        description: "Text"
        type: string
      user:
        $ref: "#/definitions/User"  

  CommentsWrapper:
    required:
      - response
    properties:
      response:
        type: array
        items:
          $ref: "#/definitions/Comment"

  WorksResponseWrapper:
    required:
      - response
    properties:
      response:
        type: array
        items:
          $ref: "#/definitions/Work"

  SpotlightedWork:
    required:
      - description
      - language
      - work
    properties:
      description:
        type: string
      language:
        type: string
      work:
        $ref: "#/definitions/Work"

  Spotlight:
    required:
      - id
    properties:
      id:
        type: integer
      publish_date:
        type: string
        format: date-time
      language:
        type: string
      title:
        type: string
      footer:
        type: string
      header:
        type: string
      image_urls:
        $ref: "#/definitions/ImageUrls"
      spotlighted_works:
        type: array
        items:
          $ref: "#/definitions/SpotlightedWork"

  SpotlightResponseWrapper:
    required:
      - response
    properties:
      response:
        type: array
        items:
          $ref: "#/definitions/Spotlight"

  RankedWork:
    required:
      - previous_rank
      - rank
      - work
    properties:
      previous_rank:
        type: integer
      rank:
        type: integer
      work:
        $ref: "#/definitions/Work"

  Ranking:
    required:
      - content
      - date
      - mode
      - works
    properties:
      content:
        type: string
      date:
        type: string
        format: date
      mode:
        type: string
      works:
        type: array
        items:
          $ref: "#/definitions/RankedWork"

  RankingResponseWrapper:
    required:
      - response
    properties:
      response:
        type: array
        items:
          $ref: "#/definitions/Ranking"

  Bookmark:
    required:
      - comment
      - work
      - publicity
      - id
    properties:
      comment:
        type: string
      work:
        type: object
        required:
          - id
        properties:
          id:
            type: integer
      publicity:
        type: string
        enum: ["public", "private"]
      id:
        description: "Bookmark ID"
        type: integer

  BookmarkResponseWrapper:
    required:
      - response
    properties:
      response:
        type: array
        items:
          $ref: "#/definitions/Bookmark"

responses:
  GenericError:
    description: "Generic error"
    schema:
      $ref: "#/definitions/Error"

  GenericResponse:
    description: "Generic response"
    schema:
      $ref: "#/definitions/ResponseWrapper"

  EmojisResponse:
    description: OK
    schema:
      allOf:
        - $ref: "#/definitions/ResponseWrapper"
        - $ref: "#/definitions/EmojisResponseWrapper"

  UsersResponse:
    description: OK
    schema:
      allOf:
        - $ref: "#/definitions/ResponseWrapper"
        - $ref: "#/definitions/UsersResponseWrapper"

  WorksResponse:
    description: OK
    schema:
      allOf:
        - $ref: "#/definitions/ResponseWrapper"
        - $ref: "#/definitions/WorksResponseWrapper"

  CommentsResponse:
    description: OK
    schema:
      allOf:
        - $ref: "#/definitions/ResponseWrapper"
        - $ref: "#/definitions/CommentsWrapper"

  SpotlightResponse:
    description: OK
    schema:
      allOf:
        - $ref: "#/definitions/ResponseWrapper"
        - $ref: "#/definitions/SpotlightResponseWrapper"

  RankingResponse:
    description: OK
    schema:
      allOf:
        - $ref: "#/definitions/ResponseWrapper"
        - $ref: "#/definitions/RankingResponseWrapper"

  BookmarkResponse:
    description: OK
    schema:
      allOf:
        - $ref: "#/definitions/ResponseWrapper"
        - $ref: "#/definitions/BookmarkResponseWrapper"

parameters:
  PixivID:
    name: id
    description: "Pixiv ID"
    type: integer
    in: path
    required: true

  IllustID:
    name: id
    description: "Illustration ID"
    type: integer
    in: path
    required: true
    
  NovelID:
    name: id
    description: "Novel ID"
    type: integer
    in: path
    required: true

  SpotlightID:
    name: id
    description: "Spotlight ID"
    type: integer
    in: path
    required: true

  Page:
    name: page
    description: "Page number (starting from 1)"
    type: integer
    in: query

  PageSize:
    name: per_page
    description: "Number of results per page"
    type: integer
    in: query

  IncludeUserStats:
    name: include_stats
    description: "Include user statistics"
    type: integer
    in: query
    enum: [0, 1]

  IncludeWorkStats:
    name: include_stats
    description: "Include work statistics (Score, number of views, etc..)"
    type: string
    in: query
    enum: ["true", "false"]

  IncludeWorkSanityLevel:
    name: include_sanity_level
    type: string
    in: query
    enum: ["true", "false"]

  ProfileImageSizes:
    name: profile_image_sizes
    description: "Select only provided userpic sizes"
    type: array
    in: query
    items:
      type: string
      collectionFormat: csv
      enum: ["px_170x170", "px_50x50", "px_16x16"]

  ImageSizes:
    name: image_sizes
    description: "Select only provided picture sizes"
    type: array
    in: query
    items:
      type: string
      collectionFormat: csv
      enum: ["px_128x128", "px_480mw", "large", "medium", "small"]

  AcceptLanguage:
    name: Accept-Language
    description: "Display results in certain language"
    type: string
    in: header
    enum: ["ja", "en"]

paths:
  /emoji.json:
    get:
      description: "Returns list of available emojis"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/EmojisResponse"

  /ranking/{type}.json:
    get:
      description: "Return rankings"
      parameters:
        - name: type
          type: string
          in: path
          description: "Type of works (only `all` supported now)"
          enum: ["all", "illust", "manga"]
          required: true
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
        - name: date
          type: string
          in: query
          description: "Ranking for a specific day"
          pattern: "yyyy-MM-dd"
        - name: mode
          type: string
          in: query
          description: "Ranking type"
          enum: ["daily", "weekly", "monthly", "daily_r18", "weekly_r18", "monthly_r18", "r18g", "original", "male", "female", "rookie", "male_r18", "female_r18"]
          required: true
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/RankingResponse"

  /users/{id}.json:
    get:
      description: "Returns user account data"
      parameters:
        - $ref: "#/parameters/PixivID"
        - $ref: "#/parameters/IncludeUserStats"
        - name: include_profile
          description: "Include detailed profile (Homepage, introduction message, tags, etc..)"
          type: integer
          enum: [0, 1]
          in: query
        - name: include_contacts
          description: "Include user contacts (Twitter, Skype, YahooID, etc..)"
          type: integer
          enum: [0, 1]
          in: query
        - name: include_workspace
          description: "Include workspace info"
          type: integer
          enum: [0, 1]
          in: query
        - $ref: "#/parameters/ProfileImageSizes"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/UsersResponse"

  /users/{id}/works.json:
    get:
      description: "Returns list of user works (paginated)"
      parameters:
        - $ref: "#/parameters/PixivID"
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/WorksResponse"

  /users/{id}/favorite_works.json:
    get:
      description: "Returns list of user favorited works (paginated)"
      parameters:
        - $ref: "#/parameters/PixivID"
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/WorksResponse"

  /works.json:
    get:
      description: "Returns list of newly-added works"
      parameters:
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/WorksResponse"

  /works/{id}.json:
    get:
      description: "Returns a single work"
      parameters:
        - $ref: "#/parameters/IllustID"
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/IncludeWorkStats"
        - $ref: "#/parameters/IncludeWorkSanityLevel"
        - name: caption_format
          type: string
          in: query
          enum: ["html"]
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/WorksResponse"
    delete:
      description: "Delete work"
      parameters:
        - $ref: "#/parameters/IllustID"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/GenericResponse"

  /me/favorite_works.json:
    get:
      description: "Returns current user favorited works (paginated)"
      parameters:
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
        - name: publicity
          type: string
          in: query
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/WorksResponse"
    post:
      description: "Add work to favorites"
      parameters:
        - name: work_id
          type: integer
          in: formData
        - name: publicity
          type: string
          in: formData
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/BookmarkResponse"
    delete:
      description: "Remove work from favorites"
      parameters:
        - name: ids
          description: "Bookmark IDs"
          type: array
          items:
            type: string
            collectionFormat: csv
          in: formData
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/GenericResponse"

  /me/following/works.json:
    get:
      description: "Return list of works submitted by users you following (paginated)"
      parameters:
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/WorksResponse"

  /me/friends/works.json:
    get:
      description: "Return list of works submitted by friends (paginated)"
      parameters:
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/WorksResponse"

  /me/viewed_works.json:
    get:
      parameters:
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
        - $ref: "#/parameters/IncludeUserStats"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/WorksResponse"
    post:
      parameters:
        - name: ids
          type: array
          items:
            type: string
            collectionFormat: csv
          in: formData
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/GenericResponse"

  /me/viewed_novels.json:
    get:
      parameters:
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
        - $ref: "#/parameters/IncludeUserStats"
        - name: include_marker
          type: integer
          enum: [0, 1]
          in: query
        - name: include_series
          type: integer
          enum: [0, 1]
          in: query
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/WorksResponse"
    post:
      parameters:
        - name: ids
          type: array
          items:
            type: string
            collectionFormat: csv
          in: formData
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/GenericResponse"

  /me/works.json:
    get:
      description: "Return list of your works (paginated)"
      parameters:
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/IncludeWorkStats"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/WorksResponse"

  /spotlight.json:
    get:
      description: "Returns list of recent spotlighted works (paginated)"
      parameters:
        - $ref: "#/parameters/AcceptLanguage"
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/SpotlightResponse"

  /spotlight/{id}.json:
    get:
      description: "Return a single spotlighted work (paginated)"
      parameters:
        - $ref: "#/parameters/SpotlightID"
        - $ref: "#/parameters/AcceptLanguage"
        - $ref: "#/parameters/ImageSizes"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/SpotlightResponse"

  /trends/works.json:
    get:
      description: "Return list of popular works (paginated)"
      parameters:
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/WorksResponse"

  /trends/work_tags.json:
    get:
      description: "Return list of popular tags (paginated)"
      parameters:
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/Page"
        - name: include_works
          description: "Include works also"
          type: integer
          in: query
          enum: [0, 1]
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/WorksResponse"

  /me/feeds.json:
    get:
      description: "News feed"
      parameters:
        - name: max_id
          type: integer
          in: query
          description: "Start from `max_id`"
        - name: show_r18
          description: "Include NSFW content"
          type: integer
          in: query
          enum: [0, 1]
        - name: type
          description: "Feed type"
          type: string
          in: query
          enum: ["all", "message_from", "add_illust", "add_bookmark", "add_mypixiv", "add_favorite", "speak_simple", "self", "touch_text", "touch_nottext", "activity", "stacc", "tweet"]
        - name: relation
          description: "Feed relation"
          type: string
          in: query
          enum: ["all", "self", "favorite", "mypixiv", "ignore"]
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
      responses:
        400:
          $ref: "#/responses/GenericError"

  /search/works.json:
    get:
      description: "Search works"
      parameters:
        - $ref: "#/parameters/ImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
        - name: q
          description: "Search keywords"
          type: string
          in: query
        - name: period
          description: "Search period"
          type: string
          in: query
          enum: ["all", "day", "week", "month"]
        - name: order
          description: "Search order"
          type: string
          in: query
          enum: ["asc", "desc"]
        - name: mode
          description: "Search mode"
          type: string
          in: query
          enum: ["tag", "caption"]
        - name: sort
          description: "Search sorting"
          type: string
          in: query
          enum: ["date", "popular"]
      responses:
        400:
          $ref: "#/responses/GenericError"

  /signup_validation/check_code:
    post:
      description: ""
      parameters:
        - name: uuid
          type: string
          in: formData
        - name: mail_address
          type: string
          in: formData
        - name: code
          type: string
          in: formData
      responses:
        400:
          $ref: "#/responses/GenericError"

  /signup/send_mail:
    post:
      description: ""
      parameters:
        - name: uuid
          type: string
          in: formData
        - name: mail_address
          type: string
          in: formData
      responses:
        400:
          $ref: "#/responses/GenericError"

  /signup:
    post:
      description: "Sign Up"
      parameters:
        - name: uuid
          type: string
          in: formData
        - name: mail_address
          type: string
          in: formData
        - name: code
          type: string
          in: formData
        - name: pixiv_id
          type: string
          in: formData
        - name: user_name
          type: string
          in: formData
        - name: password
          type: string
          in: formData
        - name: password_again
          type: string
          in: formData
        - name: sex
          type: integer
          in: formData
        - name: birthday_year
          type: string
          in: formData
        - name: birthday_month
          type: string
          in: formData
        - name: birthday_day
          type: string
          in: formData
      responses:
        400:
          $ref: "#/responses/GenericError"

  /upload/works:
    post:
      description: "Upload work"
      consumes:
        - "multipart/form-data"
      parameters:
        - name: user_id
          type: string
          in: formData
        - name: title
          type: string
          in: formData
        - name: comment
          type: string
          in: formData
        - name: type
          type: string
          in: formData
        - name: age_limit
          type: string
          in: formData
        - name: publicity
          type: string
          in: formData
        - name: sexual
          type: string
          in: formData
        - name: "tags[]"
          type: array
          items:
            type: string
          in: formData
      responses:
        400:
          $ref: "#/responses/GenericError"

  /upload/works/status:
    get:
      description: "Check upload status"
      responses:
        400:
          $ref: "#/responses/GenericError"

  /works/{id}/comments.json:
    get:
      description: "Get comment list for illust"
      parameters:
        - $ref: "#/parameters/IllustID"
        - $ref: "#/parameters/ProfileImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/CommentsResponse"
    post:
      description: "Submit comment"
      parameters:
        - $ref: "#/parameters/IllustID"
        - name: comment_text
          type: string
          in: formData
      responses:
        400:
          $ref: "#/responses/GenericError"

  /novels/{id}/comments.json:
    get:
      description: "Get comment list for novel"
      parameters:
        - $ref: "#/parameters/NovelID"
        - $ref: "#/parameters/ProfileImageSizes"
        - $ref: "#/parameters/Page"
        - $ref: "#/parameters/PageSize"
      responses:
        400:
          $ref: "#/responses/GenericError"
        200:
          $ref: "#/responses/CommentsResponse"
    post:
      description: "Submit comment"
      parameters:
        - $ref: "#/parameters/NovelID"
        - name: comment_text
          type: string
          in: formData
      responses:
        400:
          $ref: "#/responses/GenericError"

Hey, how did you obtain this spec? It seems some of the endpoints don't work as specified anymore.