openapi: 3.0.0
info:
  title: AI Hair Extension Virtual Try-On
  description: "# Overview\nDiscover Your Perfect Hair Extension Match with AI​\nExperiment with a variety of lengths—from long to extra-long—styles, colors, and bangs, all from the comfort of your device. No more guessing games—see exactly how each hair extension style looks on you with the advanced Generative AI. Make informed styling decisions before committing to a new look.​\nWith the advanced Hair Extension Try-On, which naturally blends with your current hair length, it’s the perfect time to experiment with super-long styles.\n\nUse case:\n![AI Hair Extension](https://bcw-media.s3.ap-northeast-1.amazonaws.com/YCE_web_Hair_Extension_Filter_S2_img_07_098b6e08c4.jpg \"AI Hair Extension\")\n\n![AI Hair Extension](https://bcw-media.s3.ap-northeast-1.amazonaws.com/YCE_web_Hair_Extension_Filter_S1_img_01_eab88fe3e2.jpg \"AI Hair Extension\")\n\nSuggestions for How to Shoot:\n![Suggestions for How to Shoot](https://bcw-media.s3.ap-northeast-1.amazonaws.com/AI_Hair_Extension_recommendation_ba24bd5d92.png \"Suggestions for How to Shoot\")\n\n---\n\n## File Specs & Errors\n\n* Supported Formats & Dimensions\n\n|AI Feature|Supported Dimensions|Supported File Size|Supported Formats|\n|  ----  | ----  | ----  | ----  |\n|AI Hair Extension|long side <= 1024, face width >= 128, face pose: -10 < pitch < +10, -45 < yaw < +45, -15 < roll < +15, single face only, need to show full face|< 10MB|jpg/jpeg|\n\n* Error Codes\n\n|Error Code|Description|\n|  ----  | ----  |\n|error_no_shoulder\t|Shoulders are not visible in the source image\n|error_large_face_angle\t|The face angle in the uploaded image is too large\n|error_insufficient_landmarks\t|Cannot detect sufficient face or body landmarks in the source image\n|error_hair_too_short\t|Input hair is too short\n|error_face_pose\t|The face pose of source image is unsupported\n|error_bald_image\t|Input hairstyle is bald\n\n---\n\n## Unit Consumption\n\n| AI Feature | Unit Consumed |\n|---|---|\n| AI Hair Extension Virtual Try-On V1.0 | 1 |\n\n---\n"
  version: ''
  termsOfService: https://www.makeupar.com/perfectbeauty/youcam/terms-of-service-api
  contact:
    email: YouCamOnlineEditor_API@perfectcorp.com
  license:
    name: Privacy policy
    url: https://www.makeupar.com/perfectbeauty/youcam/privacy-policy-api
servers:
  - url: https://yce-api-01.makeupar.com
tags:
  - name: V1.0
    description: >-
      Generate hair extension effects from uploaded images using AI processing,
      supporting templates and source references.
paths:
  /s2s/v2.0/task/template/hair-ext:
    get:
      summary: List predefined templates.
      tags:
        - V1.0
      security:
        - BearerAuthenticationV2: []
      parameters:
        - name: page_size
          in: query
          schema:
            type: integer
            example: 20
          description: >-
            Number of results to return in this page. Valid value should be
            between 1 and 20. Default 20.
        - name: starting_token
          in: query
          schema:
            type: string
            example: 73a3c9e69b89
          description: >-
            Token for current page. Start with `null` for the first page, and
            use `next_token` from the previous response to start next page
      responses:
        '200':
          $ref: '#/components/responses/TemplateResponse'
        '400':
          $ref: '#/components/responses/InvalidParameters'
        '401':
          $ref: '#/components/responses/InvalidApiKey'
  /s2s/v2.0/task/hair-ext:
    post:
      summary: Run an AI Hair Extension task.
      description: >
        This endpoint initiates the hair extension generation process using a
        template and source image. The task will be processed asynchronously,
        and you can check its status using the task_id returned in this
        response.
      tags:
        - V1.0
      security:
        - BearerAuthenticationV2: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RunWithSingleTemplateAndSrcUrl'
      responses:
        '200':
          description: Successful execution of the task
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BasicRunTaskResponseV2'
        '400':
          description: Failed execution of task
          content:
            application/json:
              schema:
                allOf:
                  - $ref: '#/components/responses/RunError'
        '401':
          $ref: '#/components/responses/InvalidApiKey'
        '429':
          $ref: '#/components/responses/TooManyRequests'
  /s2s/v2.0/task/hair-ext/{task_id}:
    get:
      summary: Check the status of a AI Hair Extension task.
      tags:
        - V1.0
      security:
        - BearerAuthenticationV2: []
      parameters:
        - name: task_id
          in: path
          required: true
          schema:
            type: string
            example: grH0CvsgXuAIHLUzD0V1Ol34hoet3R1tvdbtiVHrDb6_UqCLKIejAIajwxrhOAfe
          description: ID of task to check
      responses:
        '200':
          description: Successful check of the task status
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TaskStatusResponseV2'
        '400':
          $ref: '#/components/responses/InvalidTaskId'
        '401':
          $ref: '#/components/responses/InvalidApiKey'
        '500':
          $ref: '#/components/responses/TaskTimeout'
components:
  securitySchemes:
    BearerAuthenticationV2:
      type: http
      scheme: bearer
      description: >-
        Use the standard 'Bearer authentication'. Put your 'API Key' in header:
        `Authorization:Bearer YOUR_API_KEY`. Notice that there is ' ' a space
        between 'Bearer' and the 'YOUR_API_KEY'.
  schemas:
    EngineErrorCode:
      type: string
      nullable: true
      enum:
        - exceed_max_filesize
        - invalid_parameter
        - error_download_image
        - error_decode_image
        - error_nsfw_content_detected
        - error_inference
        - unknown_internal_error
      description: |
        Errors:

        - `exceed_max_filesize` - Input file size exceeds the maximum limit

        - `invalid_parameter` - Invalid parameter value

        - `error_download_image` - Download source image error

        - `error_decode_image` - Decode source image error

        - `unknown_internal_error` - Others
    FileV1.1:
      title: File V1.1
      description: This object represents a file.
      type: object
      required:
        - files
      properties:
        files:
          type: array
          items:
            type: object
            required:
              - content_type
              - file_name
              - file_size
            properties:
              content_type:
                type: string
                example: image/jpg
                description: >-
                  Content MIME type for this file. Currently available values
                  are listed in the enum.
              file_name:
                type: string
                example: my-selfie.jpg
                description: Name of this file
              file_size:
                type: integer
                example: 50000
                description: >-
                  Content length for this file in bytes. Should not be larger
                  than 10MB.
    BasicFileResponse:
      type: object
      properties:
        files:
          type: array
          items:
            type: object
            properties:
              content_type:
                type: string
                example: image/jpg
                description: Content MIME type for this file.
              file_name:
                type: string
                example: my-selfie.jpg
                description: Name of this file
              file_id:
                type: string
                example: >-
                  U8aqJbsXGT537jtGnEDFHqxdDXqh8+oTF/cSkLimzuvVwMP+Jb1XbjPsf7ZgUgLY
                description: ID of this file. Other run task API will need this `file_id`.
              requests:
                type: array
                description: >-
                  Using upload `url`, `headers`, `method` below to upload file.
                  After completion, the `file_id` is used to proceed with
                  calling run task API.
                items:
                  type: object
                  properties:
                    headers:
                      type: object
                      example:
                        Content-Type: image/jpg
                        Content-Length: 50000
                      description: Headers to include when uploading the file
                    url:
                      type: string
                      example: https://example.com/presigned-upload-url
                      description: URL to upload this file
                    method:
                      type: string
                      example: PUT
                      description: HTTP method to upload this file
    FileResponseV2:
      type: object
      properties:
        status:
          type: integer
          example: 200
          description: Response status
        data:
          $ref: '#/components/schemas/BasicFileResponse'
    BasicRunTaskV2SrcFileUrl:
      title: Run task with src file url
      type: object
      required:
        - src_file_url
      properties:
        src_file_url:
          type: string
          description: Url of the file to run task. The url should be publicly accessible.
          example: https://example.com/selfie.jpg
    BasicRunTaskV2SrcFileId:
      title: Run task with src file ID
      type: object
      required:
        - src_file_id
      properties:
        src_file_id:
          type: string
          description: ID of file to run task. File ID from upload file API.
          example: pfNK5PuRe0MrwLHcGA3DOmB1ahwfXTbYHjv+KoBIxbE=
    BasicRunTaskV2:
      title: BasicRunTaskV2
      anyOf:
        - $ref: '#/components/schemas/BasicRunTaskV2SrcFileUrl'
        - $ref: '#/components/schemas/BasicRunTaskV2SrcFileId'
    RunWithSingleTemplate:
      title: RunWithSingleTemplate
      type: object
      properties:
        template_id:
          type: string
          description: >
            ID of the template. List predefined templates first, and use the id
            of a template.
          example: good_template_001
      required:
        - template_id
    RunWithSingleTemplateAndSrcUrl:
      title: RunWithSingleTemplateAndSrcUrl
      allOf:
        - $ref: '#/components/schemas/RunWithSingleTemplate'
        - $ref: '#/components/schemas/BasicRunTaskV2'
    BasicRunTaskResponseV2:
      type: object
      properties:
        status:
          type: integer
          description: Response status
          example: 200
        data:
          type: object
          properties:
            task_id:
              type: string
              description: >-
                ID of this task. Task result is valid to query by this ID for 24
                hours.
              example: grH0CvsgXuAIHLUzD0V1Ol34hoet3R1tvdbtiVHrDb6_UqCLKIejAIajwxrhOAfe
    TaskStatusResponseBodySingleUrlResultsV2:
      type: object
      properties:
        url:
          type: string
          description: URL to download this result. Valid for 2 hours
          example: https://example.com/sample-result-url
    TaskStatusResponseV2:
      type: object
      properties:
        status:
          type: integer
          description: Response status
          example: 200
        data:
          type: object
          properties:
            task_status:
              type: string
              enum:
                - running
                - success
                - error
              description: Status of this task
            error:
              $ref: '#/components/schemas/EngineErrorCode'
            error_message:
              type: string
              description: Detailed description of error
            results:
              $ref: '#/components/schemas/TaskStatusResponseBodySingleUrlResultsV2'
    Template:
      type: object
      properties:
        id:
          type: string
          description: The ID of the template. Use this as `template_id` when run task.
          example: good_template_001
        thumb:
          type: string
          description: The thumbnail of style.
        title:
          type: string
          description: The title of the template.
        category_name:
          type: string
          description: The category name of the template.
    Style:
      type: object
      properties:
        style_group_id:
          type: integer
          description: The id of style group. Use this as `style_group_id` when run task.
        style_id:
          type: integer
          description: The id of style. Use this as `style_ids` when run task.
        info:
          type: object
          properties:
            title:
              type: string
              description: The style name
            thumb:
              type: string
              description: The thumbnail of style
          required:
            - title
            - thumb
      required:
        - style_group_id
        - style_id
        - info
    Category:
      type: object
      properties:
        id:
          type: integer
          description: The id of category.
        name:
          type: string
          description: The name of category.
        styles:
          type: array
          description: The styles belong to this category.
          items:
            $ref: '#/components/schemas/Style'
        sub_categories:
          type: array
          items:
            type: object
            properties:
              id:
                type: integer
                description: The id of sub-category. Use this id to query for its content.
              name:
                type: string
                description: The name of sub-category.
            required:
              - id
              - name
      required:
        - id
        - name
        - styles
        - sub_categories
    TemplateResponseSchema:
      type: object
      properties:
        status:
          type: integer
          description: Response status
          example: 200
        data:
          type: object
          properties:
            templates:
              type: array
              items:
                $ref: '#/components/schemas/Template'
            next_token:
              type: string
              example: 73a3c9e69b89
              description: Token to query next page.
  responses:
    InvalidParameters:
      description: Invalid request parameters
      content:
        application/json:
          schema:
            type: object
            properties:
              status:
                type: integer
                example: 400
                description: Response status
              error:
                type: string
                description: Error message
                example: The operation could not be completed
              error_code:
                type: string
                enum:
                  - InvalidParameters
    InvalidApiKey:
      description: Invalid API Key or Inactive API Key or Expired API Key
      content:
        application/json:
          schema:
            type: object
            properties:
              status:
                type: integer
                example: 401
                description: Response status
              error_code:
                type: string
                enum:
                  - InvalidApiKey
                  - InactiveApiKey
                  - ExpiredApiKey
    TooManyRequests:
      description: Too many requests within a given amount of time
    RunError:
      type: object
      properties:
        status:
          type: integer
          description: Response status
          example: 400
        error:
          type: string
          description: Error message
          example: The operation could not be completed
        error_code:
          type: string
          enum:
            - CreditInsufficiency
            - InvalidStyleGroup
            - InvalidStyle
            - BadRequest
            - InvalidParameters
    TaskTimeout:
      description: The task has no response in the expected time
      content:
        application/json:
          schema:
            type: object
            properties:
              status:
                type: integer
                description: Response status
                example: 500
              error_code:
                type: string
                enum:
                  - TaskTimeout
    InvalidTaskId:
      description: Invalid task id
      content:
        application/json:
          schema:
            type: object
            properties:
              status:
                type: integer
                description: Response status
                example: 400
              error_code:
                type: string
                enum:
                  - InvalidTaskId
    TemplateResponse:
      description: Successful retrieval of styles
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/TemplateResponseSchema'
