openapi: 3.0.0
info:
  description: Polar AccessLink API documentation
  version: v3
  title: Polar AccessLink Cardio load Sleep API
  contact:
    name: Support
    url: https://www.polar.com/accesslink
    email: b2bhelpdesk@polar.com
  license:
    name: Polar Electro AccessLink Limited License Agreement
    url: https://www.polar.com/en/legal/polar-api-agreement
servers:
- url: https://www.polaraccesslink.com/
tags:
- name: Sleep
  description: Sleep endpoints support [Polar Sleep Plus™](https://www.polar.com/en/smart-coaching/polar-sleep-plus) and [Sleep Plus Stages™](https://www.polar.com/en/smart-coaching/sleep-plus-stages). Available data is presented in section [Schemas](#schemas).
paths:
  /v3/users/sleep:
    get:
      tags:
      - Sleep
      summary: List nights
      operationId: listNights
      description: List sleep data of user for the last 28 days.
      responses:
        '200':
          description: Request was successful
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/nights'
        '403':
          description: User has not accepted all mandatory consents.
      security:
      - OAuth2:
        - accesslink.read_all
  /v3/users/sleep/{date}:
    get:
      tags:
      - Sleep
      parameters:
      - name: date
        in: path
        description: 'Date of sleep as ISO-8601 date string, example: "2020-01-01"'
        required: true
        schema:
          type: string
      summary: Get Sleep
      description: Get Users sleep data for given date.
      responses:
        '200':
          description: Request was successful.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/sleep'
        '400':
          description: Invalid date.
        '404':
          description: No data found for date.
        '403':
          description: User has not accepted all mandatory consents.
      security:
      - OAuth2:
        - accesslink.read_all
  /v3/users/sleep/available:
    get:
      tags:
      - Sleep
      summary: Get available sleep times
      description: Get the dates with sleep start and end times, where user has sleep data available in the last 28 days.
      responses:
        '200':
          description: Request was successful.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/available-sleeps'
        '403':
          description: User has not accepted all mandatory consents.
      security:
      - OAuth2:
        - accesslink.read_all
components:
  schemas:
    available-sleeps:
      type: object
      properties:
        available:
          type: array
          description: List of available sleep data
          items:
            $ref: '#/components/schemas/available-sleep'
    available-sleep:
      type: object
      properties:
        date:
          type: string
          format: date
          description: Result date of the sleep
          example: '2020-01-01'
        start_time:
          type: string
          format: date-time
          description: Start timestamp of the sleep as ISO-8601 datetime string
          example: '2020-01-01T00:39:07+03:00'
        end_time:
          type: string
          format: date-time
          description: End timestamp of the sleep as ISO-8601 datetime string
          example: '2020-01-01T09:39:07+03:00'
    nights:
      type: object
      properties:
        nights:
          type: array
          description: List of sleep objects
          items:
            $ref: '#/components/schemas/sleep'
      description: Sleep list
    sleep:
      type: object
      properties:
        polar_user:
          type: string
          example: https://www.polaraccesslink/v3/users/1
          description: Absolute link to user owning the sleep
        date:
          type: string
          format: date
          description: Result date of the sleep
          example: '2020-01-01'
        sleep_start_time:
          type: string
          format: date-time
          description: Start timestamp of the sleep as ISO-8601 datetime string
          example: '2020-01-01T00:39:07+03:00'
        sleep_end_time:
          type: string
          format: date-time
          description: End timestamp of the sleep as ISO-8601 datetime string
          example: '2020-01-01T09:19:37+03:00'
        device_id:
          type: string
          description: Id of the device the sleep was measured with
          example: 1111AAAA
        continuity:
          type: number
          format: float
          example: 2.1
          description: Continuity is an estimate of how continuous the sleep was on a scale of 1.0 – 5.0, where 5.0 reflects uninterrupted sleep. The lower the value the more fragmented the sleep was.
        continuity_class:
          type: integer
          format: int32
          example: 2
          description: Verbal assessments of sleep continuity Very continuous sleep (5) Continuous sleep (4) Fairly continuous sleep (3) Fairly fragmented sleep (2) Fragmented sleep (1)
        light_sleep:
          type: integer
          format: int32
          example: 1000
          description: Total time in seconds spent in light sleep stage between when you fell asleep and when you woke up. Corresponds to N1+ N2 according to AASM classification.
        deep_sleep:
          type: integer
          format: int32
          example: 1000
          description: Total time in seconds spent in the deep sleep stage between when you fell asleep and when you woke up. Corresponds to N3 according to AASM classification.
        rem_sleep:
          type: integer
          format: int32
          example: 1000
          description: Total time in seconds spent in REM sleep stage between when you fell asleep and when you woke up. REM stands for rapid eye movement.
        unrecognized_sleep_stage:
          type: integer
          format: int32
          example: 1000
          description: Total time in seconds spent in unrecognised sleep stage. Sometimes it's impossible to recognize sleep stages. This might happen when, for example, the wrist strap is not tight enough, or if you sleep on your hand.
        sleep_score:
          type: integer
          format: int32
          example: 80
          description: Sleep score summarizes the amount and quality of your sleep into a single number on a scale of 1 – 100. Sleep score tells you how well you slept compared to the indicators of a good night's sleep based on the current sleep science. It consists of six components; sleep time, long interruptions, continuity, actual sleep, REM sleep, and deep sleep.
        total_interruption_duration:
          type: integer
          format: int32
          example: 1000
          description: The total time in seconds you spent awake between when you fell asleep and when you woke up.
        sleep_charge:
          type: integer
          format: int32
          example: 3
          description: 'Sleep score compared to your usual level from the past 28 days.Scale: much below usual (1) – below usual (2) – usual (3) – above usual (4) – much above usual(5).'
        sleep_goal:
          type: integer
          format: int32
          example: 28800
          description: Time goal in seconds for sleep selected by user. A default value of the setting is based on age-related sleep duration recommendations.
        sleep_rating:
          type: integer
          format: int32
          example: 3
          description: 'Numeric value given by user for representing the quality of sleep. Selection scale: Very poorly(1), poorly(2), ok(3), well(4), very well(5). 0 means no value is given.'
        short_interruption_duration:
          type: integer
          format: int32
          example: 500
          description: Total time in seconds of short interruptions. Short interruption is interruption in sleep of less than 90 seconds.
        long_interruption_duration:
          type: integer
          format: int32
          example: 300
          description: Total time in seconds of long interruptions. Long interruption is interruption in sleep of 90 seconds or more.
        sleep_cycles:
          type: integer
          format: int32
          example: 6
          description: Number of sleep cycles.
        group_duration_score:
          type: number
          format: float
          example: 100.0
          description: 'Sleep score consists of six components that are grouped under three themes. Score for sleep duration theme looks at your sleep time compared to your ‘preferred sleep time’ setting and the age-related duration recommendations. Group duration score ranges from 1.0 to 100.0. It is interpreted as textual feedback: poor, moderate or good amount.'
        group_solidity_score:
          type: number
          format: float
          example: 75.0
          description: 'Sleep score consists of six components that are grouped under three themes. Score for sleep solidity theme is the average of the component scores of long interruptions, continuity and actual sleep. Group solidity score ranges from 1.0 to 100.0. It is interpreted as textual feedback: poor, moderate or good solidity.'
        group_regeneration_score:
          type: number
          format: float
          example: 54.2
          description: 'Sleep score consists of six components that are grouped under three themes. Score for regeneration theme is the average of the scores of REM sleep and deep sleep. Group regeneration score ranges from 1.0 to 100.0. It is interpreted as textual feedback: poor, moderate or good regeneration'
        hypnogram:
          type: object
          example:
            00:39: 2
            00:50: 3
            01:23: 5
          description: 'The time span between when you fell asleep and when you woke up is classified into light, deep or REM sleep, or unrecognised or wake in 30-s epochs.


            0 = WAKE, 1 = REM, 2 = LIGHTER NON-REM, 3 = LIGHT NON-REM, 4 = DEEP NON-REM, 5 = UNKNOWN (eg. due to bad skin contact).'
        heart_rate_samples:
          type: object
          example:
            00:41: 76
            00:46: 77
            00:51: 76
          description: 5 min average samples of heart rate from the duration of the sleep. Default time between samples is 5 minutes. There may be periods with samples more often than every 5 minutes. Unit of samples is beats per minute (bpm).
  securitySchemes:
    Basic:
      type: http
      scheme: basic
    OAuth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://flow.polar.com/oauth2/authorization
          tokenUrl: https://polarremote.com/v2/oauth2/token
          scopes:
            accesslink.read_all: Allows read access to user's data