Unitlab AI

Unitlab AI Projects API

Annotation projects

GitHub OpenAPI

Operations 5

GET /api/sdk/projects/ List projects #
GET /api/sdk/projects/{project_id}/ Get project information #
GET /api/sdk/projects/{project_id}/upload-info/ Get upload constraints for a project #
POST /api/sdk/projects/{project_id}/upload-data/ Upload a data sample to a project #
POST /api/sdk/projects/{project_id}/medical-upload-sessions/{session_id}/finalize/ Finalize a medical upload session #

Documentation

📖
Documentation
https://docs.unitlab.ai/cli-python-sdk/get-started

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/unitlab-ai/refs/heads/main/openapi/unitlab-ai-projects-api-openapi.yml

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OpenAPI Specification

unitlab-ai-projects-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Unitlab SDK Datasets Projects API
  description: REST API behind the official Unitlab Python SDK and CLI (pip package `unitlab`, https://github.com/teamunitlab/unitlab-sdk). Unitlab does not publish an OpenAPI document; this spec was derived by API Evangelist from the SDK source (src/unitlab/client.py, v2.5.1) and the docs at https://docs.unitlab.ai/. Paths, methods, parameters, auth, and error semantics are taken directly from the SDK code; response schemas reflect the example payloads published in the docs. Fields not documented by the provider are left unspecified.
  version: 2.5.1
  contact:
    name: Unitlab Inc.
    email: team@unitlab.ai
    url: https://unitlab.ai
  x-apievangelist:
    generated: '2026-07-21'
    method: derived
    source: https://raw.githubusercontent.com/teamunitlab/unitlab-sdk/main/src/unitlab/client.py
servers:
- url: https://api.unitlab.ai
  description: Production (default base URL in the SDK; overridable via UNITLAB_API_URL)
security:
- ApiKeyAuth: []
tags:
- name: Projects
  description: Annotation projects
paths:
  /api/sdk/projects/:
    get:
      operationId: listProjects
      tags:
      - Projects
      summary: List projects
      description: Returns the authenticated account's annotation projects.
      parameters:
      - $ref: '#/components/parameters/Pretty'
      responses:
        '200':
          description: List of projects
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Project'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/sdk/projects/{project_id}/:
    get:
      operationId: getProject
      tags:
      - Projects
      summary: Get project information
      parameters:
      - $ref: '#/components/parameters/ProjectId'
      - $ref: '#/components/parameters/Pretty'
      responses:
        '200':
          description: Project detail
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Project'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /api/sdk/projects/{project_id}/upload-info/:
    get:
      operationId: getProjectUploadInfo
      tags:
      - Projects
      summary: Get upload constraints for a project
      description: Returns accepted file formats, the project's generic data type, and per-type maximum file sizes; the SDK calls this before uploading.
      parameters:
      - $ref: '#/components/parameters/ProjectId'
      responses:
        '200':
          description: Upload constraints
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UploadInfo'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /api/sdk/projects/{project_id}/upload-data/:
    post:
      operationId: uploadProjectData
      tags:
      - Projects
      summary: Upload a data sample to a project
      description: Multipart upload of one file (image, text, video, audio, medical DICOM/NIfTI, or PDF document). The SDK batches these calls with an upload session id; video files carry an fps sampling option.
      parameters:
      - $ref: '#/components/parameters/ProjectId'
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              required:
              - file
              properties:
                file:
                  type: string
                  format: binary
                fps:
                  type: string
                  description: Frames per second (video files only; SDK default 1.0)
                session_id:
                  type: string
                  format: uuid
                  description: Upload session id grouping files from one run
      responses:
        '200':
          description: File accepted
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
  /api/sdk/projects/{project_id}/medical-upload-sessions/{session_id}/finalize/:
    post:
      operationId: finalizeMedicalUploadSession
      tags:
      - Projects
      summary: Finalize a medical upload session
      description: Called once after a batch containing medical files (DICOM/NIfTI/NRRD) so the platform groups them into series. Uses the same session id passed with each uploaded file.
      parameters:
      - $ref: '#/components/parameters/ProjectId'
      - name: session_id
        in: path
        required: true
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: Session finalized
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Authentication failed (invalid or missing API key)
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Forbidden:
      description: Forbidden - plan/subscription does not allow the operation
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Project:
      type: object
      description: Fields as shown in the published SDK docs example.
      properties:
        pk:
          type: string
          format: uuid
        name:
          type: string
        ai_model:
          type: string
        annotator_progress:
          type: number
        reviewer_progress:
          type:
          - number
          - 'null'
        number_of_data:
          type: integer
        creator:
          type: string
        created:
          type: string
          format: date-time
    UploadInfo:
      type: object
      properties:
        accepted_formats:
          type: array
          items:
            type: string
        generic_type:
          type:
          - string
          - 'null'
          description: img | text | video | audio | medical | document
        max_file_sizes:
          type: object
          additionalProperties:
            type: integer
          description: Max upload size in bytes per generic type
        max_file_size:
          type:
          - integer
          - 'null'
    Error:
      type: object
      description: Error envelope observed in the SDK error handling; either a detail or message string, or a field-to-errors map.
      properties:
        detail:
          type: string
        message:
          type: string
  parameters:
    Pretty:
      name: pretty
      in: query
      required: false
      schema:
        type: integer
        enum:
        - 0
        - 1
        default: 0
      description: Return a human-formatted table (1) instead of raw JSON (0)
    ProjectId:
      name: project_id
      in: path
      required: true
      schema:
        type: string
        format: uuid
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: Authorization
      description: 'API key issued at https://app.unitlab.ai (API Keys page), sent as "Authorization: Api-Key <key>". The SDK/CLI also read UNITLAB_API_KEY or ~/.unitlab/credentials.'
externalDocs:
  description: Unitlab CLI / Python SDK documentation
  url: https://docs.unitlab.ai/cli-python-sdk/get-started