Backblaze B2 Native API — Large Files

naftiko: 1.0.0-alpha2
info:
  label: Backblaze B2 Native API — Large Files
  description: 'Backblaze B2 Native API — Large Files. 6 operations. Lead operation: Backblaze B2 Native API Cancel Large
    File. Self-contained Naftiko capability covering one Backblaze business surface.'
  tags:
  - Backblaze
  - Large Files
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    BACKBLAZE_API_KEY: BACKBLAZE_API_KEY
capability:
  consumes:
  - type: http
    namespace: b2-native-large-files
    baseUri: https://api.backblazeb2.com
    description: Backblaze B2 Native API — Large Files business capability. Self-contained, no shared references.
    resources:
    - name: b2api-v4-b2_cancel_large_file
      path: /b2api/v4/b2_cancel_large_file
      operations:
      - name: cancellargefile
        method: POST
        description: Backblaze B2 Native API Cancel Large File
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: b2api-v4-b2_finish_large_file
      path: /b2api/v4/b2_finish_large_file
      operations:
      - name: finishlargefile
        method: POST
        description: Backblaze B2 Native API Finish Large File
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: b2api-v4-b2_get_upload_part_url
      path: /b2api/v4/b2_get_upload_part_url
      operations:
      - name: getuploadparturl
        method: POST
        description: Backblaze B2 Native API Get Upload Part URL
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: b2api-v4-b2_list_parts
      path: /b2api/v4/b2_list_parts
      operations:
      - name: listparts
        method: POST
        description: Backblaze B2 Native API List Parts
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: b2api-v4-b2_list_unfinished_large_files
      path: /b2api/v4/b2_list_unfinished_large_files
      operations:
      - name: listunfinishedlargefiles
        method: POST
        description: Backblaze B2 Native API List Unfinished Large Files
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: b2api-v4-b2_start_large_file
      path: /b2api/v4/b2_start_large_file
      operations:
      - name: startlargefile
        method: POST
        description: Backblaze B2 Native API Start Large File
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    authentication:
      type: bearer
      token: '{{env.BACKBLAZE_API_KEY}}'
  exposes:
  - type: rest
    namespace: b2-native-large-files-rest
    port: 8080
    description: REST adapter for Backblaze B2 Native API — Large Files. One Spectral-compliant resource per consumed operation,
      prefixed with /v1.
    resources:
    - path: /v1/b2api/v4/b2-cancel-large-file
      name: b2api-v4-b2-cancel-large-file
      description: REST surface for b2api-v4-b2_cancel_large_file.
      operations:
      - method: POST
        name: cancellargefile
        description: Backblaze B2 Native API Cancel Large File
        call: b2-native-large-files.cancellargefile
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/b2api/v4/b2-finish-large-file
      name: b2api-v4-b2-finish-large-file
      description: REST surface for b2api-v4-b2_finish_large_file.
      operations:
      - method: POST
        name: finishlargefile
        description: Backblaze B2 Native API Finish Large File
        call: b2-native-large-files.finishlargefile
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/b2api/v4/b2-get-upload-part-url
      name: b2api-v4-b2-get-upload-part-url
      description: REST surface for b2api-v4-b2_get_upload_part_url.
      operations:
      - method: POST
        name: getuploadparturl
        description: Backblaze B2 Native API Get Upload Part URL
        call: b2-native-large-files.getuploadparturl
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/b2api/v4/b2-list-parts
      name: b2api-v4-b2-list-parts
      description: REST surface for b2api-v4-b2_list_parts.
      operations:
      - method: POST
        name: listparts
        description: Backblaze B2 Native API List Parts
        call: b2-native-large-files.listparts
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/b2api/v4/b2-list-unfinished-large-files
      name: b2api-v4-b2-list-unfinished-large-files
      description: REST surface for b2api-v4-b2_list_unfinished_large_files.
      operations:
      - method: POST
        name: listunfinishedlargefiles
        description: Backblaze B2 Native API List Unfinished Large Files
        call: b2-native-large-files.listunfinishedlargefiles
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/b2api/v4/b2-start-large-file
      name: b2api-v4-b2-start-large-file
      description: REST surface for b2api-v4-b2_start_large_file.
      operations:
      - method: POST
        name: startlargefile
        description: Backblaze B2 Native API Start Large File
        call: b2-native-large-files.startlargefile
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: b2-native-large-files-mcp
    port: 9090
    transport: http
    description: MCP adapter for Backblaze B2 Native API — Large Files. One tool per consumed operation, routed inline through
      this capability's consumes block.
    tools:
    - name: backblaze-b2-native-api-cancel
      description: Backblaze B2 Native API Cancel Large File
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: b2-native-large-files.cancellargefile
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: backblaze-b2-native-api-finish
      description: Backblaze B2 Native API Finish Large File
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: b2-native-large-files.finishlargefile
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: backblaze-b2-native-api-get
      description: Backblaze B2 Native API Get Upload Part URL
      hints:
        readOnly: true
        destructive: false
        idempotent: false
      call: b2-native-large-files.getuploadparturl
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: backblaze-b2-native-api-list
      description: Backblaze B2 Native API List Parts
      hints:
        readOnly: true
        destructive: false
        idempotent: false
      call: b2-native-large-files.listparts
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: backblaze-b2-native-api-list-2
      description: Backblaze B2 Native API List Unfinished Large Files
      hints:
        readOnly: true
        destructive: false
        idempotent: false
      call: b2-native-large-files.listunfinishedlargefiles
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: backblaze-b2-native-api-start
      description: Backblaze B2 Native API Start Large File
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: b2-native-large-files.startlargefile
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.