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

# Get evaluations ledger

> Requires scopes: eval:read



## OpenAPI

````yaml /api-reference/openapi.json get /api/evaluations/{id}/auto-sessions/{sessionId}/ledger
openapi: 3.1.0
info:
  title: EvalGate API
  version: 3.7.6
  description: EvalGate API. See docs/api-contract.md for stability commitments.
servers:
  - url: https://evalgate.com
    description: Production
  - url: http://localhost:3000
    description: Local
security: []
paths:
  /api/evaluations/{id}/auto-sessions/{sessionId}/ledger:
    get:
      tags:
        - evaluations
      summary: Get evaluations ledger
      description: 'Requires scopes: eval:read'
      operationId: get_evaluations_id_auto_sessions_sessionId_ledger
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: integer
        - name: sessionId
          in: path
          required: true
          schema:
            type: string
        - name: format
          in: query
          required: false
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/GetApiEvaluationsIdAutoSessionsSessionIdLedgerResponse200ApplicationJson
            text/tab-separated-values:
              schema:
                $ref: >-
                  #/components/schemas/GetApiEvaluationsIdAutoSessionsSessionIdLedgerResponse200TextTabSeparatedValues
        '400':
          $ref: '#/components/responses/ValidationError'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          $ref: '#/components/responses/Conflict'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
      security:
        - bearerAuth:
            - eval:read
components:
  schemas:
    GetApiEvaluationsIdAutoSessionsSessionIdLedgerResponse200ApplicationJson:
      type: object
      properties:
        ledger:
          type: array
          items:
            type: object
            properties:
              iteration:
                type: number
              experimentId:
                type: string
              passRate:
                oneOf:
                  - type: 'null'
                  - type: number
              passRateDelta:
                oneOf:
                  - type: 'null'
                  - type: number
              regressions:
                oneOf:
                  - type: 'null'
                  - type: number
              improvements:
                oneOf:
                  - type: 'null'
                  - type: number
              decision:
                oneOf:
                  - type: 'null'
                  - type: string
              description:
                oneOf:
                  - type: 'null'
                  - type: string
              strategyTrack:
                type: string
              assertionFailures:
                oneOf:
                  - type: 'null'
                  - type: object
                    additionalProperties:
                      type: number
              durationMs:
                oneOf:
                  - type: 'null'
                  - type: number
              timestamp:
                type: string
              source:
                oneOf:
                  - type: string
                    enum:
                      - auto_experiment
                  - type: string
                    enum:
                      - swarm_agent
            additionalProperties: false
            required:
              - iteration
              - experimentId
              - passRate
              - passRateDelta
              - regressions
              - improvements
              - decision
              - description
              - strategyTrack
              - assertionFailures
              - durationMs
              - timestamp
              - source
      additionalProperties: false
      required:
        - ledger
    GetApiEvaluationsIdAutoSessionsSessionIdLedgerResponse200TextTabSeparatedValues:
      type: string
    ApiError:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              enum:
                - UNAUTHORIZED
                - FORBIDDEN
                - NOT_FOUND
                - VALIDATION_ERROR
                - RATE_LIMITED
                - CONFLICT
                - INTERNAL_ERROR
                - SERVICE_UNAVAILABLE
                - QUOTA_EXCEEDED
                - NO_ORG_MEMBERSHIP
                - CROSS_ORG_REFERENCE
                - INCOMPLETE
                - MALFORMED
            message:
              type: string
            details: {}
            requestId:
              type: string
              format: uuid
          required:
            - code
            - message
      required:
        - error
  responses:
    ValidationError:
      description: Validation error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    Unauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    Forbidden:
      description: Forbidden
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    Conflict:
      description: Conflict
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    RateLimited:
      description: Rate limit exceeded
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    InternalError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API Key or Session Token

````