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

# List dataset slices

> Return a page of slices, newest first, with their status and row counts.



## OpenAPI

````yaml /api-reference/openapi.json get /datasets/{datasetId}/slices
openapi: 3.1.0
info:
  description: >-
    Manage projects, datasets, labeling pipelines, and model training. **Beta:**
    endpoints, request and response shapes, and error contracts can change
    without notice or a backward-compatibility promise.
  title: Toloka Platform API
  version: 2.0.0
servers:
  - url: https://platform.toloka.ai/api/v2-beta
security:
  - apiKeyAuth: []
  - scopedTokenAuth: []
tags:
  - description: The authenticated API key owner.
    name: Account
  - description: A project is the container for pipelines, datasets, and files.
    name: Projects
  - description: Rows and typed fields. Field schemas are immutable once created.
    name: Datasets
  - description: Append rows to a dataset from a file.
    name: Dataset uploads
  - description: Read a dataset out as a file.
    name: Dataset exports
  - description: A pipeline is a graph of nodes that processes each dataset item.
    name: Pipelines
  - description: The nodes, connections, fields, and version of a pipeline graph.
    name: Pipeline graph
  - description: Execute a pipeline over a dataset and inspect each item.
    name: Runs
  - description: Per-node checks that a pipeline must pass before deployment.
    name: Checks
  - description: Named credentials available to pipeline code.
    name: Secrets
  - description: Project files available to pipeline code and labeling interfaces.
    name: Files
  - description: >-
      Global, read-only catalog of the models a synthetic generation node can
      use, with their budget bounds.
    name: Generation models
  - description: >-
      Global, read-only catalog of the expert audience: the values a node
      `audience` filter can use.
    name: Audience
  - description: >-
      Project lists of experts a node can take its workforce from with
      `audienceMode: service`. Available only to teams with the audience service
      enabled.
    name: Expert lists
  - description: >-
      Experts banned in a project: they cannot be invited and are removed from
      the work they are in. Available only to teams with expert bans enabled.
    name: Expert ban list
  - description: Global, read-only base model catalog.
    name: Base models
  - description: Project-owned mutable model-training drafts.
    name: Trainings
  - description: Project-owned Models and immutable Model Versions.
    name: Models
  - name: Batch inference
paths:
  /datasets/{datasetId}/slices:
    get:
      tags:
        - Datasets
      summary: List dataset slices
      description: Return a page of slices, newest first, with their status and row counts.
      operationId: listDatasetSlices
      parameters:
        - in: path
          name: datasetId
          required: true
          schema:
            $ref: '#/components/schemas/DatasetId'
        - description: Maximum number of results to return; defaults to 20.
          in: query
          name: limit
          schema:
            default: 20
            maximum: 100
            minimum: 1
            type: integer
        - description: Number of results to skip before this page; defaults to 0.
          in: query
          name: offset
          schema:
            default: 0
            maximum: 9007199254740991
            minimum: 0
            type: integer
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  pagination:
                    $ref: '#/components/schemas/Pagination'
                  slices:
                    description: Dataset slices in this page.
                    items:
                      $ref: '#/components/schemas/DatasetSlice'
                    type: array
                required:
                  - slices
                  - pagination
                type: object
          description: Dataset slices
          headers:
            RateLimit-Limit:
              $ref: '#/components/headers/RateLimit-Limit'
            RateLimit-Policy:
              $ref: '#/components/headers/RateLimit-Policy'
            RateLimit-Remaining:
              $ref: '#/components/headers/RateLimit-Remaining'
            RateLimit-Reset:
              $ref: '#/components/headers/RateLimit-Reset'
            X-Request-Id:
              $ref: '#/components/headers/X-Request-Id'
        '404':
          description: Dataset not found
          headers:
            RateLimit-Limit:
              $ref: '#/components/headers/RateLimit-Limit'
            RateLimit-Policy:
              $ref: '#/components/headers/RateLimit-Policy'
            RateLimit-Remaining:
              $ref: '#/components/headers/RateLimit-Remaining'
            RateLimit-Reset:
              $ref: '#/components/headers/RateLimit-Reset'
            X-Request-Id:
              $ref: '#/components/headers/X-Request-Id'
        '429':
          description: Rate limit exceeded
          headers:
            RateLimit-Limit:
              $ref: '#/components/headers/RateLimit-Limit'
            RateLimit-Policy:
              $ref: '#/components/headers/RateLimit-Policy'
            RateLimit-Remaining:
              $ref: '#/components/headers/RateLimit-Remaining'
            RateLimit-Reset:
              $ref: '#/components/headers/RateLimit-Reset'
            X-Request-Id:
              $ref: '#/components/headers/X-Request-Id'
      x-codeSamples:
        - label: TypeScript SDK
          lang: typescript
          source: |
            import { createClient } from "@toloka-platform/sdk";

            const client = createClient({
              baseUrl: "https://platform.toloka.ai",
              apiKey: process.env.TOLOKA_API_KEY!,
            });

            const page = await client.datasets.listSlicesPage({
              datasetId: "ds.019a0000-0000-7000-8000-000000000001"
            });
            console.log(page);
components:
  schemas:
    DatasetId:
      description: Dataset ID with prefix `ds.`.
      pattern: >-
        ^ds\.[0-9a-f]{8}-[0-9a-f]{4}-[7][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$
      type: string
    Pagination:
      description: Pagination information for this page.
      properties:
        hasMore:
          description: Whether more matching results follow this page.
          type: boolean
        limit:
          description: Maximum number of results requested for this page.
          example: 20
          maximum: 9007199254740991
          minimum: -9007199254740991
          type: integer
        offset:
          description: Number of results skipped before this page.
          example: 0
          maximum: 9007199254740991
          minimum: -9007199254740991
          type: integer
        total:
          description: Total number of matching results.
          example: 42
          maximum: 9007199254740991
          minimum: -9007199254740991
          type: integer
      required:
        - total
        - limit
        - offset
        - hasMore
      type: object
    DatasetSlice:
      properties:
        createdAt:
          description: When the slice was requested.
          format: date-time
          pattern: >-
            ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$
          type: string
        cutoff:
          description: >-
            The moment the slice was taken: its rows and its frozen fields are
            read as they were just before it.
          format: date-time
          pattern: >-
            ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$
          type: string
        datasetId:
          description: ID of the dataset containing this slice, with prefix `ds.`.
          pattern: >-
            ^ds\.[0-9a-f]{8}-[0-9a-f]{4}-[7][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$
          type: string
        error:
          anyOf:
            - properties:
                code:
                  description: Machine-readable reason the slice could not be created.
                  enum:
                    - no_rows
                    - cutoff_not_settled
                  type: string
                message:
                  description: Explanation of the slice creation failure.
                  type: string
              required:
                - code
                - message
              type: object
            - type: 'null'
          description: Why the slice failed.
        fromSliceId:
          anyOf:
            - pattern: >-
                ^dsl\.[0-9a-f]{8}-[0-9a-f]{4}-[7][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$
              type: string
            - type: 'null'
          description: The slice this one was taken from, if any.
        frozenFieldIds:
          description: >-
            Fields the slice reads as they were at its cutoff. Other fields read
            live.
          items:
            pattern: >-
              ^df\.[0-9a-f]{8}-[0-9a-f]{4}-[7][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$
            type: string
          type: array
        id:
          description: >-
            Slice id. The same id always selects the same rows with the same
            frozen values.
          pattern: >-
            ^dsl\.[0-9a-f]{8}-[0-9a-f]{4}-[7][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$
          type: string
        itemFilter:
          anyOf:
            - additionalProperties: false
              description: >-
                Conditions selecting dataset rows; omitted conditions do not
                restrict the selection.
              properties:
                fieldSources:
                  $ref: '#/components/schemas/DatasetFieldSourceConditions'
                fieldValues:
                  $ref: '#/components/schemas/DatasetFieldValueConditions'
                missingRevisionFields:
                  description: >-
                    Field IDs with prefix `df.` that must have no revision on a
                    selected row; defaults to an empty array.
                  items:
                    pattern: >-
                      ^df\.[0-9a-f]{8}-[0-9a-f]{4}-[7][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$
                    type: string
                  type: array
              type: object
            - description: >-
                Conditions selecting dataset rows; omitted conditions do not
                restrict the selection.
              type: 'null'
          description: >-
            The filter the rows matched when the slice was taken; null for every
            row.
        name:
          description: The name that tells this slice apart.
          maxLength: 120
          minLength: 1
          type: string
        rows:
          description: Rows in the slice once it is ready; 0 until then.
          maximum: 9007199254740991
          minimum: 0
          type: integer
        status:
          description: Only a ready slice can select rows.
          enum:
            - creating
            - ready
            - failed
          type: string
      required:
        - id
        - datasetId
        - name
        - itemFilter
        - frozenFieldIds
        - fromSliceId
        - status
        - rows
        - error
        - cutoff
        - createdAt
      type: object
    DatasetFieldSourceConditions:
      description: >-
        Field-author conditions that selected rows must satisfy; defaults to no
        conditions.
      items:
        additionalProperties: false
        description: Required authors for a field.
        properties:
          fieldId:
            description: Dataset field ID with prefix `df.`.
            pattern: >-
              ^df\.[0-9a-f]{8}-[0-9a-f]{4}-[7][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$
            type: string
          sources:
            description: Revision authors to match for this field.
            items:
              $ref: '#/components/schemas/FieldRevisionSource'
            minItems: 1
            type: array
        required:
          - fieldId
          - sources
        type: object
      type: array
    DatasetFieldValueConditions:
      description: >-
        Field-value conditions that selected rows must satisfy; defaults to no
        conditions.
      items:
        additionalProperties: false
        description: Condition applied to a field value.
        properties:
          fieldId:
            description: Dataset field ID with prefix `df.` to compare.
            pattern: >-
              ^df\.[0-9a-f]{8}-[0-9a-f]{4}-[7][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$
            type: string
          jsonPath:
            description: JSONPath locating the value within the field.
            minLength: 1
            type: string
          latestOnly:
            default: true
            description: >-
              Whether to test only the latest revision from the allowed authors;
              false tests any revision, and the default is true.
            type: boolean
          operator:
            description: >-
              Text comparison: `text_eq` for equality or `text_neq` for
              inequality.
            enum:
              - text_eq
              - text_neq
            type: string
          sources:
            default: []
            description: Allowed revision authors; an empty array allows any author.
            items:
              $ref: '#/components/schemas/FieldRevisionSource'
            type: array
          value:
            description: Scalar value compared as text; null is treated as an empty string.
            type:
              - string
              - number
              - boolean
              - 'null'
        required:
          - jsonPath
          - operator
          - value
          - fieldId
        type: object
      type: array
    FieldRevisionSource:
      description: Source that wrote a field revision.
      oneOf:
        - additionalProperties: false
          description: Source that wrote a field revision.
          properties:
            type:
              const: user
              description: >-
                Revision author: `user` for a user action or `system` for a
                platform operation.
              type: string
            userId:
              description: Identifier of the user who wrote the revision.
              minLength: 1
              type: string
          required:
            - type
            - userId
          type: object
        - additionalProperties: false
          description: Source that wrote a field revision.
          properties:
            source:
              description: Identifier of the platform operation that wrote the revision.
              minLength: 1
              type: string
            type:
              const: system
              description: >-
                Revision author: `user` for a user action or `system` for a
                platform operation.
              type: string
          required:
            - type
            - source
          type: object
  headers:
    RateLimit-Limit:
      description: The maximum number of requests allowed in the current window.
      schema:
        type: integer
    RateLimit-Policy:
      description: The rate limit policy (e.g., "60;w=60").
      schema:
        type: string
    RateLimit-Remaining:
      description: The number of requests remaining in the current window.
      schema:
        type: integer
    RateLimit-Reset:
      description: The number of seconds until the current window resets.
      schema:
        type: integer
    X-Request-Id:
      description: >-
        The request id: the X-Request-Id you sent when it is 1-128 characters of
        letters, digits, ".", "_" or "-", otherwise a generated UUID. Present on
        every response, including errors; quote it when reporting a problem.
      schema:
        type: string
  securitySchemes:
    apiKeyAuth:
      description: >-
        Enter `ApiKey <your-api-key>` in Authorization, including the `ApiKey `
        prefix. In cURL and Python samples, `<api-key>` means this full value.
        The TypeScript SDK adds the prefix for you.
      in: header
      name: Authorization
      type: apiKey
    scopedTokenAuth:
      description: >-
        Enter the project-scoped token as `pst_...` in X-Scoped-Token, without
        an `ApiKey ` prefix. Create a token with POST
        /projects/{projectId}/tokens.
      in: header
      name: X-Scoped-Token
      type: apiKey

````

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