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

# List immutable saved data versions



## OpenAPI

````yaml /api-reference/openapi.json get /v1/projects/{projectId}/datasets/{datasetId}/revisions
openapi: 3.1.0
info:
  title: Firedrill Control API
  version: 1.0.0
  description: >-
    The control plane for drills, drill runs, and the worlds they run in. Errors
    always carry the canonical envelope; unsafe operations require an
    Idempotency-Key; long work returns an operation resource.
servers:
  - url: https://api.firedrill.run
security:
  - controlCredential: []
paths:
  /v1/projects/{projectId}/datasets/{datasetId}/revisions:
    get:
      summary: List immutable saved data versions
      operationId: datasets.revisions
      parameters:
        - name: projectId
          in: path
          required: true
          schema:
            type: string
            pattern: ^prj_[0-9a-z]{12,32}$
        - name: datasetId
          in: path
          required: true
          schema:
            type: string
            pattern: ^dataset_[0-9a-f]{12,32}$
        - name: cursor
          in: query
          schema:
            type: integer
            minimum: 1
            maximum: 2147483647
        - name: limit
          in: query
          schema:
            type: integer
            minimum: 1
            maximum: 50
            default: 25
      responses:
        '200':
          description: Dataset revisions
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DatasetRevisionPage'
        default:
          description: Canonical error envelope
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorEnvelope'
components:
  schemas:
    DatasetRevisionPage:
      type: object
      properties:
        items:
          maxItems: 50
          type: array
          items:
            type: object
            properties:
              datasetId:
                type: string
                pattern: ^dataset_[0-9a-f]{12,32}$
              revision:
                type: integer
                minimum: 1
                maximum: 2147483647
              digest:
                type: string
                pattern: ^sha256:[0-9a-f]{64}$
              tool:
                type: object
                properties:
                  packageId:
                    type: string
                    minLength: 1
                    maxLength: 96
                    pattern: ^[a-z][a-z0-9]*(?:[-_][a-z0-9]+)*$
                  version:
                    type: string
                    pattern: >-
                      ^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-[0-9A-Za-z.-]+)?(?:\+[0-9A-Za-z.-]+)?$
                  manifestHash:
                    type: string
                    pattern: ^sha256:[0-9a-f]{64}$
                  artifactHash:
                    type: string
                    pattern: ^sha256:[0-9a-f]{64}$
                  stateSchemaDigest:
                    type: string
                    pattern: ^sha256:[0-9a-f]{64}$
                required:
                  - packageId
                  - version
                  - manifestHash
                  - artifactHash
                  - stateSchemaDigest
                additionalProperties: false
              provenance:
                type: object
                properties:
                  sourceDraftId:
                    type: string
                    pattern: ^draft_[0-9a-z]{12,32}$
                  sourceRevision:
                    type: integer
                    minimum: 1
                    maximum: 2147483647
                  sourceVersion:
                    type: integer
                    minimum: -9007199254740991
                    maximum: 9007199254740991
                  sourceDigest:
                    type: string
                    pattern: ^sha256:[0-9a-f]{64}$
                  buildHash:
                    type: string
                    pattern: ^sha256:[0-9a-f]{64}$
                  worldProjectionDigest:
                    type: string
                    pattern: ^sha256:[0-9a-f]{64}$
                  toolArtifactId:
                    type: string
                    pattern: ^toolart_[0-9a-z]{12,32}$
                  instanceId:
                    type: string
                    minLength: 1
                    maxLength: 96
                    pattern: ^[a-z][a-z0-9]*(?:[-_][a-z0-9]+)*$
                required:
                  - sourceDraftId
                  - sourceRevision
                  - sourceVersion
                  - sourceDigest
                  - buildHash
                  - worldProjectionDigest
                  - toolArtifactId
                additionalProperties: false
              bytes:
                type: integer
                minimum: 1
                maximum: 1048576
              createdBy:
                type: string
                minLength: 1
                maxLength: 255
              createdAtMs:
                type: integer
                minimum: -9007199254740991
                maximum: 9007199254740991
            required:
              - datasetId
              - revision
              - digest
              - tool
              - provenance
              - bytes
              - createdBy
              - createdAtMs
            additionalProperties: false
        nextCursor:
          type: integer
          minimum: 1
          maximum: 2147483647
      required:
        - items
      additionalProperties: false
    ErrorEnvelope:
      type: object
      properties:
        code:
          type: string
          pattern: ^(control|world)\.[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$
        message:
          type: string
          minLength: 1
        correlationId:
          type: string
          minLength: 1
        retryable:
          type: boolean
        retryAfterMs:
          type: integer
          exclusiveMinimum: 0
          maximum: 9007199254740991
        operationId:
          type: string
        source:
          type: string
          enum:
            - platform
            - simulated_provider
        issues:
          type: array
          items:
            type: object
            properties:
              path:
                type: string
              code:
                type: string
              message:
                type: string
            required:
              - path
              - code
              - message
            additionalProperties: false
        details:
          type: object
          propertyNames:
            type: string
          additionalProperties: {}
        evidence:
          type: object
          properties:
            sessionId:
              type: string
            runId:
              type: string
            journalSeq:
              type: integer
              minimum: 0
              maximum: 9007199254740991
            buildHash:
              type: string
          additionalProperties: false
      required:
        - code
        - message
        - correlationId
        - retryable
        - source
      additionalProperties: true
  securitySchemes:
    controlCredential:
      type: http
      scheme: bearer
      description: Opaque control credential

````