> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mixpeek.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Diff Two Versions

> Compare two versions — returns file-level changes and optional source diffs.

Like `git diff v1..v2`: shows added, removed, modified, and unchanged files
based on content hashes. If both versions have source_files, also returns
unified diffs of the source code.



## OpenAPI

````yaml GET /v1/apps/{app_id}/versions/{from_version}/diff/{to_version}
openapi: 3.1.0
info:
  title: Mixpeek API
  description: >-
    This is the Mixpeek API, providing access to various endpoints for data
    processing and retrieval.
  termsOfService: https://mixpeek.com/terms
  contact:
    name: Mixpeek Support
    url: https://mixpeek.com/contact
    email: info@mixpeek.com
  version: '0.82'
servers:
  - url: https://api.mixpeek.com
    description: Production
security: []
paths:
  /v1/apps/{app_id}/versions/{from_version}/diff/{to_version}:
    get:
      tags:
        - Apps
      summary: Diff two versions
      description: >-
        Compare two versions — returns file-level changes and optional source
        diffs.


        Like `git diff v1..v2`: shows added, removed, modified, and unchanged
        files

        based on content hashes. If both versions have source_files, also
        returns

        unified diffs of the source code.
      operationId: >-
        diff_versions_v1_apps__app_id__versions__from_version__diff__to_version__get
      parameters:
        - name: app_id
          in: path
          required: true
          schema:
            type: string
            title: App Id
        - name: from_version
          in: path
          required: true
          schema:
            type: integer
            description: Base version
            title: From Version
          description: Base version
        - name: to_version
          in: path
          required: true
          schema:
            type: integer
            description: Target version
            title: To Version
          description: Target version
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VersionDiffResponse'
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Not Found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    VersionDiffResponse:
      properties:
        app_id:
          type: string
          title: App Id
        from_version:
          type: integer
          title: From Version
        to_version:
          type: integer
          title: To Version
        files:
          items:
            $ref: '#/components/schemas/FileDiff'
          type: array
          title: Files
        summary:
          additionalProperties:
            type: integer
          type: object
          title: Summary
          description: 'Counts: added, removed, modified, unchanged'
        source_diff:
          anyOf:
            - additionalProperties:
                type: string
              type: object
            - type: 'null'
          title: Source Diff
          description: >-
            Map of file path → unified diff string (only if both versions have
            source_files)
      type: object
      required:
        - app_id
        - from_version
        - to_version
      title: VersionDiffResponse
      description: Diff between two versions — file-level and optionally source-level.
    ErrorResponse:
      properties:
        success:
          type: boolean
          title: Success
          description: Always false for error responses
          default: false
        status:
          type: integer
          title: Status
          description: HTTP status code for this error
        error:
          $ref: '#/components/schemas/ErrorDetail'
          description: Error details payload
      type: object
      required:
        - status
        - error
      title: ErrorResponse
      description: Error response model.
      examples:
        - error:
            details:
              id: ns_123
              resource: namespace
            message: Namespace not found
            type: NotFoundError
          status: 404
          success: false
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    FileDiff:
      properties:
        path:
          type: string
          title: Path
        status:
          type: string
          enum:
            - added
            - removed
            - modified
            - unchanged
          title: Status
        old_hash:
          anyOf:
            - type: string
            - type: 'null'
          title: Old Hash
        new_hash:
          anyOf:
            - type: string
            - type: 'null'
          title: New Hash
        old_size:
          anyOf:
            - type: integer
            - type: 'null'
          title: Old Size
        new_size:
          anyOf:
            - type: integer
            - type: 'null'
          title: New Size
        size_delta:
          anyOf:
            - type: integer
            - type: 'null'
          title: Size Delta
      type: object
      required:
        - path
        - status
      title: FileDiff
      description: A single file change between two versions.
    ErrorDetail:
      properties:
        message:
          type: string
          title: Message
          description: Human-readable error message
        type:
          type: string
          title: Type
          description: Stable error type identifier (machine-readable)
        code:
          anyOf:
            - type: string
            - type: 'null'
          title: Code
          description: >-
            Fine-grained error code for programmatic handling (e.g.,
            namespace_name_taken, feature_extractor_not_found). Present only
            when consumers may need to branch on a specific error condition.
        details:
          anyOf:
            - additionalProperties: true
              type: object
            - type: 'null'
          title: Details
          description: >-
            Optional structured details to help debugging (validation errors,
            IDs, etc.)
      type: object
      required:
        - message
        - type
      title: ErrorDetail
      description: Error detail model.
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError

````