Toloka

Toloka is a data-labeling and human-data platform that powers human-in-the-loop pipelines for training and evaluating AI. The Toloka API lets requesters programmatically create projects, configure pools of crowdsourced tasks, upload tasks and task suites, collect and review Toloker responses, and track asynchronous operations, with a companion toloka-kit Python SDK.

Toloka publishes 12 APIs on the APIs.io network, including Assignments API, Attachments API, Operations API, and 9 more. Tagged areas include Data Labeling, Crowdsourcing, Human-in-the-Loop, Training Data, and Artificial Intelligence.

Toloka’s developer surface includes authentication, documentation, engineering blog, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

34.7/100 thin ▬ flat Agent 20/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessSelf serve

12 APIs

Data Labeling Crowdsourcing Human-in-the-Loop Training Data Artificial Intelligence

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 34.7/100 · thin

Contract Quality 12.3 / 25

Developer Ergonomics 4.8 / 20

Access Clarity 5.8 / 20

Operational Transparency 4.4 / 13

Contract Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 20/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

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/toloka: 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 12

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

Open Collections 14

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Rate Limits 1

Documented rate limits and quota policies.

Toloka Rate Limits

4 limits

RATE LIMITS

FinOps 1

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

AGENTIC

Resources

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 3

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

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: toloka
url: https://raw.githubusercontent.com/api-evangelist/toloka/refs/heads/main/apis.yml
name: Toloka
kind: company
description: Toloka is a data-labeling and human-data platform that powers human-in-the-loop pipelines for training and evaluating
  AI. The Toloka API lets requesters programmatically create projects, configure pools of crowdsourced tasks, upload tasks
  and task suites, collect and review Toloker responses, and track asynchronous operations, with a companion toloka-kit Python
  SDK.
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: 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/toloka.png
tags:
- Data Labeling
- Crowdsourcing
- Human-in-the-Loop
- Training Data
- Artificial Intelligence
tags_raw:
- Data Labeling
- Crowdsourcing
- Human-in-the-Loop
- Training Data
- AI
created: '2026-06-21'
modified: '2026-06-21'
specificationVersion: '0.23'
apis:
- aid: toloka:toloka-assignments-api
  name: Toloka Assignments API
  description: Retrieve Toloker responses and accept or reject completed assignments.
  humanURL: https://toloka.ai/docs/api/api-reference/
  baseURL: https://api.toloka.ai/api/v1
  tags:
  - Assignments
  properties:
  - type: OpenAPI
    url: openapi/toloka-assignments-api-openapi.yml
  - type: Documentation
    url: https://toloka.ai/docs/api/
  - type: APIReference
    url: https://toloka.ai/docs/api/api-reference/
  - type: PostmanCollection
    url: collections/toloka.postman_collection.json
  - type: GitHub
    url: https://github.com/Toloka/toloka-kit
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/upload-tasks
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/get-response
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/using-webhook-subscriptions
- aid: toloka:toloka-attachments-api
  name: Toloka Attachments API
  description: Retrieve files Tolokers attached to their assignments.
  humanURL: https://toloka.ai/docs/api/api-reference/
  baseURL: https://api.toloka.ai/api/v1
  tags:
  - Attachments
  properties:
  - type: OpenAPI
    url: openapi/toloka-attachments-api-openapi.yml
  - type: Documentation
    url: https://toloka.ai/docs/api/
  - type: APIReference
    url: https://toloka.ai/docs/api/api-reference/
  - type: PostmanCollection
    url: collections/toloka.postman_collection.json
  - type: GitHub
    url: https://github.com/Toloka/toloka-kit
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/upload-tasks
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/get-response
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/using-webhook-subscriptions
- aid: toloka:toloka-operations-api
  name: Toloka Operations API
  description: Track the status of asynchronous operations.
  humanURL: https://toloka.ai/docs/api/api-reference/
  baseURL: https://api.toloka.ai/api/v1
  tags: []
  tags_raw:
  - Operations
  properties:
  - type: OpenAPI
    url: openapi/toloka-operations-api-openapi.yml
  - type: Documentation
    url: https://toloka.ai/docs/api/
  - type: APIReference
    url: https://toloka.ai/docs/api/api-reference/
  - type: PostmanCollection
    url: collections/toloka.postman_collection.json
  - type: GitHub
    url: https://github.com/Toloka/toloka-kit
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/upload-tasks
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/get-response
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/using-webhook-subscriptions
- aid: toloka:toloka-pools-api
  name: Toloka Pools API
  description: Create, configure, open, and close pools of tasks for Tolokers.
  humanURL: https://toloka.ai/docs/api/api-reference/
  baseURL: https://api.toloka.ai/api/v1
  tags:
  - Pools
  properties:
  - type: OpenAPI
    url: openapi/toloka-pools-api-openapi.yml
  - type: Documentation
    url: https://toloka.ai/docs/api/
  - type: APIReference
    url: https://toloka.ai/docs/api/api-reference/
  - type: PostmanCollection
    url: collections/toloka.postman_collection.json
  - type: GitHub
    url: https://github.com/Toloka/toloka-kit
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/upload-tasks
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/get-response
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/using-webhook-subscriptions
- aid: toloka:toloka-projects-api
  name: Toloka Projects API
  description: Create and manage projects that define task interface and instructions.
  humanURL: https://toloka.ai/docs/api/api-reference/
  baseURL: https://api.toloka.ai/api/v1
  tags:
  - Project
  tags_raw:
  - Projects
  properties:
  - type: OpenAPI
    url: openapi/toloka-projects-api-openapi.yml
  - type: Documentation
    url: https://toloka.ai/docs/api/
  - type: APIReference
    url: https://toloka.ai/docs/api/api-reference/
  - type: PostmanCollection
    url: collections/toloka.postman_collection.json
  - type: GitHub
    url: https://github.com/Toloka/toloka-kit
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/upload-tasks
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/get-response
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/using-webhook-subscriptions
- aid: toloka:toloka-skills-api
  name: Toloka Skills API
  description: Create and manage skills assigned to Tolokers.
  humanURL: https://toloka.ai/docs/api/api-reference/
  baseURL: https://api.toloka.ai/api/v1
  tags:
  - Skills
  properties:
  - type: OpenAPI
    url: openapi/toloka-skills-api-openapi.yml
  - type: Documentation
    url: https://toloka.ai/docs/api/
  - type: APIReference
    url: https://toloka.ai/docs/api/api-reference/
  - type: PostmanCollection
    url: collections/toloka.postman_collection.json
  - type: GitHub
    url: https://github.com/Toloka/toloka-kit
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/upload-tasks
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/get-response
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/using-webhook-subscriptions
- aid: toloka:toloka-task-suites-api
  name: Toloka Task Suites API
  description: Upload and retrieve task suites (groups of tasks shown together).
  humanURL: https://toloka.ai/docs/api/api-reference/
  baseURL: https://api.toloka.ai/api/v1
  tags:
  - Task Suites
  properties:
  - type: OpenAPI
    url: openapi/toloka-task-suites-api-openapi.yml
  - type: Documentation
    url: https://toloka.ai/docs/api/
  - type: APIReference
    url: https://toloka.ai/docs/api/api-reference/
  - type: PostmanCollection
    url: collections/toloka.postman_collection.json
  - type: GitHub
    url: https://github.com/Toloka/toloka-kit
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/upload-tasks
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/get-response
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/using-webhook-subscriptions
- aid: toloka:toloka-tasks-api
  name: Toloka Tasks API
  description: Upload and retrieve individual tasks.
  humanURL: https://toloka.ai/docs/api/api-reference/
  baseURL: https://api.toloka.ai/api/v1
  tags:
  - Task
  tags_raw:
  - Tasks
  properties:
  - type: OpenAPI
    url: openapi/toloka-tasks-api-openapi.yml
  - type: Documentation
    url: https://toloka.ai/docs/api/
  - type: APIReference
    url: https://toloka.ai/docs/api/api-reference/
  - type: PostmanCollection
    url: collections/toloka.postman_collection.json
  - type: GitHub
    url: https://github.com/Toloka/toloka-kit
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/upload-tasks
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/get-response
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/using-webhook-subscriptions
- aid: toloka:toloka-training-api
  name: Toloka Training API
  description: Create and manage training pools used to qualify Tolokers.
  humanURL: https://toloka.ai/docs/api/api-reference/
  baseURL: https://api.toloka.ai/api/v1
  tags:
  - Training
  properties:
  - type: OpenAPI
    url: openapi/toloka-training-api-openapi.yml
  - type: Documentation
    url: https://toloka.ai/docs/api/
  - type: APIReference
    url: https://toloka.ai/docs/api/api-reference/
  - type: PostmanCollection
    url: collections/toloka.postman_collection.json
  - type: GitHub
    url: https://github.com/Toloka/toloka-kit
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/upload-tasks
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/get-response
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/using-webhook-subscriptions
- aid: toloka:toloka-user-bonuses-api
  name: Toloka User Bonuses API
  description: Issue bonus payments to Tolokers.
  humanURL: https://toloka.ai/docs/api/api-reference/
  baseURL: https://api.toloka.ai/api/v1
  tags:
  - User Bonuses
  properties:
  - type: OpenAPI
    url: openapi/toloka-user-bonuses-api-openapi.yml
  - type: Documentation
    url: https://toloka.ai/docs/api/
  - type: APIReference
    url: https://toloka.ai/docs/api/api-reference/
  - type: PostmanCollection
    url: collections/toloka.postman_collection.json
  - type: GitHub
    url: https://github.com/Toloka/toloka-kit
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/upload-tasks
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/get-response
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/using-webhook-subscriptions
- aid: toloka:toloka-user-restrictions-api
  name: Toloka User Restrictions API
  description: Restrict Tolokers from a pool, project, or all projects.
  humanURL: https://toloka.ai/docs/api/api-reference/
  baseURL: https://api.toloka.ai/api/v1
  tags:
  - User Restrictions
  properties:
  - type: OpenAPI
    url: openapi/toloka-user-restrictions-api-openapi.yml
  - type: Documentation
    url: https://toloka.ai/docs/api/
  - type: APIReference
    url: https://toloka.ai/docs/api/api-reference/
  - type: PostmanCollection
    url: collections/toloka.postman_collection.json
  - type: GitHub
    url: https://github.com/Toloka/toloka-kit
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/upload-tasks
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/get-response
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/using-webhook-subscriptions
- aid: toloka:toloka-webhook-subscriptions-api
  name: Toloka Webhook Subscriptions API
  description: Subscribe to platform events delivered to your endpoint.
  humanURL: https://toloka.ai/docs/api/api-reference/
  baseURL: https://api.toloka.ai/api/v1
  tags:
  - Webhook Subscriptions
  properties:
  - type: OpenAPI
    url: openapi/toloka-webhook-subscriptions-api-openapi.yml
  - type: Documentation
    url: https://toloka.ai/docs/api/
  - type: APIReference
    url: https://toloka.ai/docs/api/api-reference/
  - type: PostmanCollection
    url: collections/toloka.postman_collection.json
  - type: GitHub
    url: https://github.com/Toloka/toloka-kit
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/upload-tasks
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/get-response
  - type: Documentation
    url: https://toloka.ai/docs/api/concepts/using-webhook-subscriptions
common:
- type: AgenticAccess
  url: agentic-access/toloka-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/toloka-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/toloka-domain-security.yml
- type: Authentication
  url: authentication/toloka-authentication.yml
- type: GitHubOrganization
  url: https://github.com/Toloka
- type: LinkedIn
  url: https://www.linkedin.com/company/toloka
- type: Website
  url: https://toloka.ai
- type: Documentation
  url: https://toloka.ai/docs/api/
- type: Plans
  url: plans/toloka-plans-pricing.yml
- type: RateLimits
  url: rate-limits/toloka-rate-limits.yml
- type: FinOps
  url: finops/toloka-finops.yml
- type: Blog
  url: https://toloka.ai/blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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