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

# Get time series data for a measurement

> Return time series data from storage.

Does not include steps or cycles. Use GET /steps for steps and GET /cycles for
cycle metrics.



## OpenAPI

````yaml https://api.ionworks.com/openapi.json get /cell_measurements/{measurement_id}/time_series
openapi: 3.1.0
info:
  title: FastAPI
  version: 0.1.0
servers:
  - url: https://api.ionworks.com
    description: Production
security: []
paths:
  /cell_measurements/{measurement_id}/time_series:
    get:
      tags:
        - Cell Measurements
      summary: Get time series data for a measurement
      description: >-
        Return time series data from storage.


        Does not include steps or cycles. Use GET /steps for steps and GET
        /cycles for

        cycle metrics.
      operationId: >-
        get_cell_measurement_time_series_cell_measurements__measurement_id__time_series_get
      parameters:
        - name: measurement_id
          in: path
          required: true
          schema:
            type: string
            title: Measurement Id
        - name: target_rows
          in: query
          required: false
          schema:
            anyOf:
              - type: integer
                minimum: 1
              - type: 'null'
            description: Target rows for downsampled time series
            title: Target Rows
          description: Target rows for downsampled time series
        - name: columns
          in: query
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            description: Comma-separated list of columns to load (e.g., 'time,voltage')
            title: Columns
          description: Comma-separated list of columns to load (e.g., 'time,voltage')
        - name: step_counts
          in: query
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            description: Comma-separated list of step counts to filter (e.g., '0,1,2')
            title: Step Counts
          description: Comma-separated list of step counts to filter (e.g., '0,1,2')
        - name: cycle_counts
          in: query
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            description: Comma-separated list of cycle counts to filter (e.g., '1,2,3')
            title: Cycle Counts
          description: Comma-separated list of cycle counts to filter (e.g., '1,2,3')
        - name: time_min
          in: query
          required: false
          schema:
            anyOf:
              - type: number
              - type: 'null'
            description: 'Deprecated: use x_min'
            title: Time Min
          description: 'Deprecated: use x_min'
        - name: time_max
          in: query
          required: false
          schema:
            anyOf:
              - type: number
              - type: 'null'
            description: 'Deprecated: use x_max'
            title: Time Max
          description: 'Deprecated: use x_max'
        - name: x_min
          in: query
          required: false
          schema:
            anyOf:
              - type: number
              - type: 'null'
            description: Minimum x-axis value to filter
            title: X Min
          description: Minimum x-axis value to filter
        - name: x_max
          in: query
          required: false
          schema:
            anyOf:
              - type: number
              - type: 'null'
            description: Maximum x-axis value to filter
            title: X Max
          description: Maximum x-axis value to filter
        - name: x_column
          in: query
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            description: Column name for x-axis filtering (e.g., 'Time [s]')
            title: X Column
          description: Column name for x-axis filtering (e.g., 'Time [s]')
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError

````