CVAT

CVAT (Computer Vision Annotation Tool) is an open-source platform for annotating images, video, and 3D point clouds for vision AI. The CVAT REST API exposes projects, tasks, jobs, annotations, labels, organizations, memberships, and cloud storage integrations, available both self-hosted (MIT-licensed) and as the hosted CVAT Online service at app.cvat.ai.

CVAT publishes 8 APIs on the APIs.io network, including annotations API, cloudstorages API, jobs API, and 5 more. Tagged areas include Computer Vision, Data Annotation, Labeling, Datasets, and Open Source.

CVAT’s developer surface includes authentication, documentation, engineering blog, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub

36.7/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemiumSelf serve⚡ Free to try

8 APIs

Computer VisionData AnnotationLabelingDatasetsOpen Source

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 36.7/100 · thin

Contract Quality 12.3 / 25

Developer Ergonomics 4.3 / 20

Commercial Clarity 7.9 / 20

Operational Transparency 4.8 / 13

Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 31/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/cvat: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 8

Individual APIs this provider publishes, each with its own machine-readable definition.

Rate Limits 1

Documented rate limits and quota policies.

Cvat Rate Limits

6 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Source (apis.yml)

aid: cvat
url: https://raw.githubusercontent.com/api-evangelist/cvat/refs/heads/main/apis.yml
name: CVAT
kind: company
description: CVAT (Computer Vision Annotation Tool) is an open-source platform for annotating images, video, and 3D point
  clouds for vision AI. The CVAT REST API exposes projects, tasks, jobs, annotations, labels, organizations, memberships,
  and cloud storage integrations, available both self-hosted (MIT-licensed) and as the hosted CVAT Online service at app.cvat.ai.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/cvat.png
tags:
- Computer Vision
- Data Annotation
- Labeling
- Datasets
- Open Source
created: '2026-06-21'
modified: '2026-06-21'
specificationVersion: '0.19'
apis:
- aid: cvat:cvat-annotations-api
  name: CVAT annotations API
  description: Shapes, tracks, and tags attached to tasks and jobs.
  humanURL: https://app.cvat.ai/api/docs/
  baseURL: https://app.cvat.ai/api
  tags:
  - annotations
  properties:
  - type: OpenAPI
    url: openapi/cvat-annotations-api-openapi.yml
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/api/
  - type: APIReference
    url: https://app.cvat.ai/api/docs/
  - type: PostmanCollection
    url: collections/cvat.postman_collection.json
  - type: OpenCollection
    url: collections/cvat.opencollection.json
  - type: GitHub
    url: https://github.com/cvat-ai/cvat
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/tasks-api/
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/jobs-api/
- aid: cvat:cvat-cloudstorages-api
  name: CVAT cloudstorages API
  description: External object-storage connections used as data sources.
  humanURL: https://app.cvat.ai/api/docs/
  baseURL: https://app.cvat.ai/api
  tags:
  - cloudstorages
  properties:
  - type: OpenAPI
    url: openapi/cvat-cloudstorages-api-openapi.yml
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/api/
  - type: APIReference
    url: https://app.cvat.ai/api/docs/
  - type: PostmanCollection
    url: collections/cvat.postman_collection.json
  - type: OpenCollection
    url: collections/cvat.opencollection.json
  - type: GitHub
    url: https://github.com/cvat-ai/cvat
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/tasks-api/
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/jobs-api/
- aid: cvat:cvat-jobs-api
  name: CVAT jobs API
  description: Assignable annotation units that subdivide a task.
  humanURL: https://app.cvat.ai/api/docs/
  baseURL: https://app.cvat.ai/api
  tags:
  - jobs
  properties:
  - type: OpenAPI
    url: openapi/cvat-jobs-api-openapi.yml
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/api/
  - type: APIReference
    url: https://app.cvat.ai/api/docs/
  - type: PostmanCollection
    url: collections/cvat.postman_collection.json
  - type: OpenCollection
    url: collections/cvat.opencollection.json
  - type: GitHub
    url: https://github.com/cvat-ai/cvat
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/tasks-api/
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/jobs-api/
- aid: cvat:cvat-labels-api
  name: CVAT labels API
  description: Label taxonomy shared across projects, tasks, and jobs.
  humanURL: https://app.cvat.ai/api/docs/
  baseURL: https://app.cvat.ai/api
  tags:
  - labels
  properties:
  - type: OpenAPI
    url: openapi/cvat-labels-api-openapi.yml
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/api/
  - type: APIReference
    url: https://app.cvat.ai/api/docs/
  - type: PostmanCollection
    url: collections/cvat.postman_collection.json
  - type: OpenCollection
    url: collections/cvat.opencollection.json
  - type: GitHub
    url: https://github.com/cvat-ai/cvat
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/tasks-api/
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/jobs-api/
- aid: cvat:cvat-memberships-api
  name: CVAT memberships API
  description: Membership of users within organizations.
  humanURL: https://app.cvat.ai/api/docs/
  baseURL: https://app.cvat.ai/api
  tags:
  - memberships
  properties:
  - type: OpenAPI
    url: openapi/cvat-memberships-api-openapi.yml
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/api/
  - type: APIReference
    url: https://app.cvat.ai/api/docs/
  - type: PostmanCollection
    url: collections/cvat.postman_collection.json
  - type: OpenCollection
    url: collections/cvat.opencollection.json
  - type: GitHub
    url: https://github.com/cvat-ai/cvat
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/tasks-api/
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/jobs-api/
- aid: cvat:cvat-organizations-api
  name: CVAT organizations API
  description: Organizations scoping resources for teams.
  humanURL: https://app.cvat.ai/api/docs/
  baseURL: https://app.cvat.ai/api
  tags:
  - organizations
  properties:
  - type: OpenAPI
    url: openapi/cvat-organizations-api-openapi.yml
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/api/
  - type: APIReference
    url: https://app.cvat.ai/api/docs/
  - type: PostmanCollection
    url: collections/cvat.postman_collection.json
  - type: OpenCollection
    url: collections/cvat.opencollection.json
  - type: GitHub
    url: https://github.com/cvat-ai/cvat
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/tasks-api/
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/jobs-api/
- aid: cvat:cvat-projects-api
  name: CVAT projects API
  description: Annotation projects that group tasks and share a label set.
  humanURL: https://app.cvat.ai/api/docs/
  baseURL: https://app.cvat.ai/api
  tags:
  - projects
  properties:
  - type: OpenAPI
    url: openapi/cvat-projects-api-openapi.yml
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/api/
  - type: APIReference
    url: https://app.cvat.ai/api/docs/
  - type: PostmanCollection
    url: collections/cvat.postman_collection.json
  - type: OpenCollection
    url: collections/cvat.opencollection.json
  - type: GitHub
    url: https://github.com/cvat-ai/cvat
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/tasks-api/
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/jobs-api/
- aid: cvat:cvat-tasks-api
  name: CVAT tasks API
  description: Annotation tasks holding media data and annotations.
  humanURL: https://app.cvat.ai/api/docs/
  baseURL: https://app.cvat.ai/api
  tags:
  - tasks
  properties:
  - type: OpenAPI
    url: openapi/cvat-tasks-api-openapi.yml
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/api/
  - type: APIReference
    url: https://app.cvat.ai/api/docs/
  - type: PostmanCollection
    url: collections/cvat.postman_collection.json
  - type: OpenCollection
    url: collections/cvat.opencollection.json
  - type: GitHub
    url: https://github.com/cvat-ai/cvat
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/tasks-api/
  - type: Documentation
    url: https://docs.cvat.ai/docs/api_sdk/sdk/reference/apis/jobs-api/
common:
- type: AgenticAccess
  url: agentic-access/cvat-agentic-access.yml
- type: DomainSecurity
  url: security/cvat-domain-security.yml
- type: Authentication
  url: authentication/cvat-authentication.yml
- type: GitHubOrganization
  url: https://github.com/cvat-ai
- type: LinkedIn
  url: https://www.linkedin.com/company/cvat-ai
- type: Website
  url: https://www.cvat.ai
- type: Documentation
  url: https://docs.cvat.ai
- type: Plans
  url: plans/cvat-plans-pricing.yml
- type: RateLimits
  url: rate-limits/cvat-rate-limits.yml
- type: FinOps
  url: finops/cvat-finops.yml
- url: https://www.cvat.ai/resources/blog
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

CVAT

Kin Score

APIs 8

CVAT annotations API

CVAT cloudstorages API

CVAT jobs API

CVAT labels API

CVAT memberships API

CVAT organizations API

CVAT projects API

CVAT tasks API

Open Collections 1

CVAT REST API

Pricing Plans 1

Cvat Plans Pricing

Rate Limits 1

Cvat Rate Limits

FinOps 1

Cvat Finops

Security Posture 2

Cvat Authentication

Cvat Domain Security

Agentic Access 1

Cvat Agentic Access

Resources