openapi: 3.2.0
info:
  title: ev.energy v2 Carbon API
  version: '2.0'
  contact:
    email: developers@ev.energy
    url: developers.ev.energy
    name: ev.energy developers
  description: The official API for ev.energy, version 2.
  license:
    name: Proprietary
    url: https://ev.energy
  termsOfService: ''
servers:
- url: https://api.ev.energy/v2
  description: Live API for both production and sandbox requests.
  x-internal: false
- description: Staging server for internal testing only.
  url: https://api-staging.ev.energy/v2
  x-internal: true
security:
- oauth2: []
tags:
- name: Carbon
  description: Endpoints for interacting with carbon intensity data.
paths:
  /carbon_feeds:
    get:
      summary: List carbon feeds
      description: List all carbon feeds visible to the authenticated client. Carbon feeds represent sources of carbon intensity data for specific regions or grids.
      tags:
      - Carbon
      responses:
        '200':
          description: Returns a list of carbon feeds, sorted by name.
          headers:
            Link:
              $ref: '#/components/headers/link'
            EvEnergy-Version:
              $ref: '#/components/headers/version-2'
            X-RateLimit-Limit:
              $ref: '#/components/headers/x-ratelimit-limit'
            X-RateLimit-Remaining:
              $ref: '#/components/headers/x-ratelimit-remaining'
            RetryAfter:
              $ref: '#/components/headers/retry-after'
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CarbonFeed'
        '400':
          $ref: '#/components/responses/Problem400BadRequestList'
        '401':
          $ref: '#/components/responses/Problem401Unauthorized'
        '403':
          $ref: '#/components/responses/Problem403Forbidden'
        '406':
          $ref: '#/components/responses/Problem406NotAcceptable'
        '429':
          $ref: '#/components/responses/Problem429TooManyRequests'
      operationId: get-carbon_feeds
      parameters:
      - $ref: '#/components/parameters/version-2'
      - $ref: '#/components/parameters/previous'
      - $ref: '#/components/parameters/next'
      - $ref: '#/components/parameters/page_size'
      security:
      - oauth2:
        - carbon:read
  /carbon_feeds/{carbon_feed_id}:
    parameters:
    - $ref: '#/components/parameters/carbon_feed_id'
    get:
      summary: Retrieve a carbon feed
      description: Retrieve a specific carbon feed, representing a source of carbon intensity data for a region or grid.
      tags:
      - Carbon
      responses:
        '200':
          description: Returns information about a single carbon feed.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CarbonFeed'
          headers:
            EvEnergy-Version:
              $ref: '#/components/headers/version-2'
            X-RateLimit-Limit:
              $ref: '#/components/headers/x-ratelimit-limit'
            X-RateLimit-Remaining:
              $ref: '#/components/headers/x-ratelimit-remaining'
            RetryAfter:
              $ref: '#/components/headers/retry-after'
        '400':
          $ref: '#/components/responses/Problem400BadRequestRetrieve'
        '401':
          $ref: '#/components/responses/Problem401Unauthorized'
        '403':
          $ref: '#/components/responses/Problem403Forbidden'
        '404':
          $ref: '#/components/responses/Problem404NotFound'
        '406':
          $ref: '#/components/responses/Problem406NotAcceptable'
        '429':
          $ref: '#/components/responses/Problem429TooManyRequests'
      operationId: get-carbon_feeds-carbon_feed_id
      parameters:
      - $ref: '#/components/parameters/version-2'
      security:
      - oauth2:
        - carbon:read
  /carbon_feeds/{carbon_feed_id}/carbon_intensities:
    parameters:
    - $ref: '#/components/parameters/carbon_feed_id'
    get:
      summary: List carbon intensity data
      description: 'Returns a paginated list of carbon intensity data points for a specific carbon feed. Carbon intensity represents the amount of CO2 emissions per unit of electricity generated, measured in grams of CO2 per kilowatt-hour (gCO2/kWh).


        Use `started_at__gte` and `started_at__lte` to filter by time range.'
      tags:
      - Carbon
      responses:
        '200':
          description: Returns a list of carbon intensity data points, sorted by started_at descending.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CarbonIntensities'
          headers:
            Link:
              $ref: '#/components/headers/link'
            EvEnergy-Version:
              $ref: '#/components/headers/version-2'
            X-RateLimit-Limit:
              $ref: '#/components/headers/x-ratelimit-limit'
            X-RateLimit-Remaining:
              $ref: '#/components/headers/x-ratelimit-remaining'
            RetryAfter:
              $ref: '#/components/headers/retry-after'
        '400':
          $ref: '#/components/responses/Problem400BadRequestList'
        '401':
          $ref: '#/components/responses/Problem401Unauthorized'
        '403':
          $ref: '#/components/responses/Problem403Forbidden'
        '404':
          $ref: '#/components/responses/Problem404NotFound'
        '406':
          $ref: '#/components/responses/Problem406NotAcceptable'
        '429':
          $ref: '#/components/responses/Problem429TooManyRequests'
      operationId: get-carbon_feeds-carbon_feed_id-carbon_intensities
      parameters:
      - $ref: '#/components/parameters/version-2'
      - $ref: '#/components/parameters/previous'
      - $ref: '#/components/parameters/next'
      - $ref: '#/components/parameters/page_size'
      - $ref: '#/components/parameters/expand-on-carbonintensity'
      - name: started_at__gte
        in: query
        required: false
        schema:
          type: string
          format: date-time
          example: '2024-01-15T10:00:00Z'
        description: Filter for entries on or after this datetime (ISO 8601).
      - name: started_at__lte
        in: query
        required: false
        schema:
          type: string
          format: date-time
          example: '2024-01-15T12:00:00Z'
        description: Filter for entries on or before this datetime (ISO 8601).
      security:
      - oauth2:
        - carbon:read
components:
  responses:
    Problem404NotFound:
      description: This resource either does not exist or the client is not authorized to access it.
      content:
        application/problem+json:
          schema:
            type: object
            required:
            - title
            - detail
            properties:
              status:
                type: number
                example: 404
              title:
                type: string
                example: Not found
              detail:
                type: string
                example: Resource does not exist or cannot be accessed.
      headers:
        EvEnergy-Version:
          $ref: '#/components/headers/version-2'
        X-RateLimit-Limit:
          $ref: '#/components/headers/x-ratelimit-limit'
        X-RateLimit-Remaining:
          $ref: '#/components/headers/x-ratelimit-remaining'
        RetryAfter:
          $ref: '#/components/headers/retry-after'
    Problem400BadRequestRetrieve:
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/RFC9457ProblemDetail'
          examples:
            Unsupported Version:
              $ref: '#/components/examples/ProblemUnsupportedVersion'
      description: A problem with the request's parameters prevented it being fulfilled.
      headers:
        EvEnergy-Version:
          $ref: '#/components/headers/version-2'
        X-RateLimit-Limit:
          $ref: '#/components/headers/x-ratelimit-limit'
        X-RateLimit-Remaining:
          $ref: '#/components/headers/x-ratelimit-remaining'
    Problem429TooManyRequests:
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/RFC9457ProblemDetail'
          examples:
            Example 1:
              value:
                type: https://api.ev.energy/v2/problems/rate-limit-exceeded/
                status: 429
                title: Too Many Requests
                detail: Request was rate limited. Try again in 42 seconds
      description: The client has exceeded its rate limit.
      headers:
        EvEnergy-Version:
          $ref: '#/components/headers/version-2'
        Retry-After:
          $ref: '#/components/headers/retry-after'
        X-RateLimit-Limit:
          $ref: '#/components/headers/x-ratelimit-limit'
        X-RateLimit-Remaining:
          $ref: '#/components/headers/x-ratelimit-remaining'
    Problem401Unauthorized:
      description: You need to authorise requests to access this resource.
      content:
        application/problem+json:
          schema:
            type: object
            required:
            - title
            - detail
            properties:
              status:
                type: number
                example: 401
              title:
                type: string
                example: Unauthorized
              detail:
                type: string
                example: Authentication credentials were not provided.
      headers:
        EvEnergy-Version:
          $ref: '#/components/headers/version-2'
        X-RateLimit-Limit:
          $ref: '#/components/headers/x-ratelimit-limit'
        X-RateLimit-Remaining:
          $ref: '#/components/headers/x-ratelimit-remaining'
        RetryAfter:
          $ref: '#/components/headers/retry-after'
    Problem400BadRequestList:
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/RFC9457ProblemDetail'
          examples:
            Invalid Pagination Parameter:
              $ref: '#/components/examples/ProblemInvalidPaginationParameter'
            Unsupported Version:
              $ref: '#/components/examples/ProblemUnsupportedVersion'
      description: A problem with the request's parameters prevented it being fulfilled.
      headers:
        EvEnergy-Version:
          $ref: '#/components/headers/version-2'
        X-RateLimit-Limit:
          $ref: '#/components/headers/x-ratelimit-limit'
        X-RateLimit-Remaining:
          $ref: '#/components/headers/x-ratelimit-remaining'
        RetryAfter:
          $ref: '#/components/headers/retry-after'
    Problem403Forbidden:
      description: You do not have permission to perform this action.
      content:
        application/problem+json:
          schema:
            type: object
            required:
            - title
            - detail
            properties:
              status:
                type: number
                example: 403
              title:
                type: string
                example: Forbidden
              detail:
                type: string
                example: You do not have permission to perform this action.
      headers:
        EvEnergy-Version:
          $ref: '#/components/headers/version-2'
        X-RateLimit-Limit:
          $ref: '#/components/headers/x-ratelimit-limit'
        X-RateLimit-Remaining:
          $ref: '#/components/headers/x-ratelimit-remaining'
        RetryAfter:
          $ref: '#/components/headers/retry-after'
    Problem406NotAcceptable:
      description: Could not satisfy the request Accept header.
      content:
        application/problem+json:
          schema:
            type: object
            required:
            - title
            - detail
            properties:
              status:
                type: number
                example: 406
              title:
                type: string
                example: Not Acceptable
              detail:
                type: string
                example: Could not satisfy the request Accept header.
      headers:
        EvEnergy-Version:
          $ref: '#/components/headers/version-2'
        X-RateLimit-Limit:
          $ref: '#/components/headers/x-ratelimit-limit'
        X-RateLimit-Remaining:
          $ref: '#/components/headers/x-ratelimit-remaining'
        RetryAfter:
          $ref: '#/components/headers/retry-after'
  schemas:
    RFC9457ProblemDetail:
      title: RFC 9457 Problem Detail
      x-tags:
      - problems
      type: object
      required:
      - title
      - detail
      properties:
        type:
          type: string
          format: uri
          example: https://api.ev.energy/v2/problems/example-problem/
        status:
          type: number
          example: 400
        title:
          type: string
          example: Short description
        detail:
          type: string
          example: Long, more specific description.
        instance:
          type: string
          format: uri
          example: https://api.ev.energy/v2/users/user01HN2P75GBNFRJPCZJXEFVXH5E
        notification:
          $ref: '#/components/schemas/Notification'
      examples:
      - type: https://api.ev.energy/v2/problems/example-problem/
        status: 400
        title: Short description
        detail: Long, more specific description.
        instance: https://api.ev.energy/v2/users/user01HN2P75GBNFRJPCZJXEFVXH5E
        notification:
          id: notf01HTHKTXVB77901324BCQPF1RB
          url: https://api.ev.energy/notifications/notf01HTHKTXVB77901324BCQPF1RB
          message_id: ERR0123
          category: ACTIONABLE
          event_time: '2019-08-24T14:15:22Z'
          short_text_title: Your car is disconnected
          short_text_body: We need to reconnect to keep smart charging your car
          detail_page_title: Your car is disconnected
          detail_page_body: Your car has been disconnected. This happens when your password is reset. We need you to re-authorise ev.energy to access your account in order for us to keep managing your charging. Blah blah blah.
          external_link: http://example.com
          external_button_label: More info
          read_at: '2019-08-24T14:20:22Z'
          resolved_at: '2019-08-25T14:15:22Z'
    CarbonIntensities:
      title: CarbonIntensities
      type: object
      description: A collection of carbon intensity data points for a specific carbon feed.
      properties:
        url:
          type: string
          format: uri
          example: https://api.ev.energy/v2/carbon_feeds/cabf01HN2NJ9NMRZBXT1H6FT9N7735/carbon_intensities
          readOnly: true
        carbon_feed:
          type: string
          format: uri
          example: https://api.ev.energy/v2/carbon_feeds/cabf01HN2NJ9NMRZBXT1H6FT9N7735
          readOnly: true
        carbon_intensities:
          type: array
          description: A list of carbon intensity data points.
          items:
            $ref: '#/components/schemas/CarbonIntensity'
          readOnly: true
    Notification:
      title: Notification
      description: Something that the user should be informed about.
      type: object
      examples:
      - id: notf67O36PLTFDB57M0E5L33JZLGM0
        url: https://api.ev.energy/notifications/notf67O36PLTFDB57M0E5L33JZLGM0
        message_id: ERR0123
        category: ACTIONABLE
        event_time: '2019-08-24T14:15:22Z'
        short_text_title: Your car is disconnected
        short_text_body: We need to reconnect to keep smart charging your car
        detail_page_title: Your car is disconnected
        detail_page_body: Your car has been disconnected. This happens when your password is reset. We need you to re-authorise ev.energy to access your account in order for us to keep managing your charging. Blah blah blah.
        external_link: http://example.com
        external_button_label: More info
        read_at: '2019-08-24T14:20:22Z'
        resolved_at: '2019-08-25T14:15:22Z'
      required:
      - id
      - url
      - message_id
      - category
      - event_time
      - short_text_title
      - short_text_body
      - detail_page_title
      - detail_page_body
      - external_link
      - external_button_label
      properties:
        id:
          type: string
          pattern: notf[A-Z\d]{26}
          example: notf67O36PLTFDB57M0E5L33JZLGM0
          description: Unique identifier for the Notification
        url:
          type: string
          format: uri
          example: https://api.ev.energy/notifications/notf67O36PLTFDB57M0E5L33JZLGM0
        message_id:
          type: string
          description: Internal identifier for this notification type. E.g. 'ERR0023'
        category:
          description: Category of this notification type
          enum:
          - ACTIONABLE
          - SERVICE
          - RETRY
          - MARKETING
          - INTERNAL
        event_time:
          type: string
          format: date-time
          description: The timestamp of the event described by this notification
        short_text_title:
          type: string
          description: Short title for the notification
          maxLength: 33
        short_text_body:
          type: string
          description: Short description of the event being notified
          maxLength: 49
        detail_page_title:
          type: string
          description: Title of a help page giving more information about this notification
        detail_page_body:
          type: string
          description: Text of a help page giving more information about this notification
        external_link:
          type:
          - string
          - 'null'
          description: URL of a web page giving further information about this notification
          format: uri
        external_button_label:
          type: string
          description: Text to be displayed on a button leading to the external_link location
        read_at:
          type: string
          format: date-time
          description: When the user examined the contents of this notification
        resolved_at:
          type: string
          format: date-time
          description: When the problem associated with this notification was resolved
    CarbonFeed:
      title: CarbonFeed
      type: object
      description: A carbon feed representing a source of carbon intensity data for a specific region or grid.
      x-tags:
      - Carbon
      required:
      - id
      - url
      - name
      properties:
        id:
          type: string
          description: Unique identifier for the carbon feed.
          pattern: cabf[A-Z\d]{26}
          example: cabf01HN2NJ9NMRZBXT1H6FT9N7735
          readOnly: true
        url:
          type: string
          format: uri
          example: https://api.ev.energy/v2/carbon_feeds/cabf01HN2NJ9NMRZBXT1H6FT9N7735
          readOnly: true
        name:
          type: string
          description: Human-readable name for the carbon feed.
          example: UK National Grid
          readOnly: true
    CarbonIntensity:
      title: CarbonIntensity
      type: object
      description: A carbon intensity data point representing CO2 emissions per unit of electricity generated.
      x-tags:
      - Carbon
      required:
      - started_at
      - interval_seconds
      - co2_intensity_grams_per_kilowatt_hour
      - created_at
      properties:
        started_at:
          type: string
          format: date-time
          description: When this interval began.
          example: '2024-01-15T10:00:00Z'
          readOnly: true
        interval_seconds:
          type: integer
          description: The number of seconds that this interval lasts for.
          example: 1800
          readOnly: true
        co2_intensity_grams_per_kilowatt_hour:
          type: integer
          description: Carbon intensity in gCO2/kWh.
          example: 245
          readOnly: true
        created_at:
          type: string
          format: date-time
          description: When this record was created (ISO 8601 datetime).
          example: '2024-01-15T09:45:00Z'
          readOnly: true
  examples:
    ProblemInvalidPaginationParameter:
      value:
        type: https://api.ev.energy/v2/problems/pagination-parameters/
        status: 400
        title: Invalid pagination parameter
        detail: 'Invalid value for pagination parameter: page_size'
    ProblemUnsupportedVersion:
      value:
        type: https://api.ev.energy/v2/problems/pagination-parameters/
        status: 400
        title: Unsupported version
        detail: 'Unsupported version requested: 3.0'
  headers:
    link:
      description: Provides links to the previous and next pages of data, if they exist.
      example: <https://api.ev.energy/v2/vehicles?page_size=25&page_before=vhcl01HRFF3SEVSCRAV9B3CHVDFN0H>; rel="previous", <https://api.ev.energy/v2/vehicles?page_size=25&page_after=vhcl01HRFF3SEVSCRAV9B3CHVDFN0H>; rel="next"
      schema:
        type: string
    x-ratelimit-remaining:
      description: The number of requests remaining until this client's rate limit is reached.
      schema:
        type: number
        default: 999
    version-2:
      description: Indicates the version of the API that generated this response. If EvEnergy-Version was not specified in the request, this will be your OAuth application's default version.
      schema:
        type: number
        enum:
        - 2
    retry-after:
      description: The number of seconds until this client's requests will not be rate limited.
      schema:
        type: number
        default: 3600
    x-ratelimit-limit:
      description: The maximum number of requests that can be made to this endpoint per hour. Defaults to 1000 but may vary per client.
      schema:
        type: number
        default: 1000
  parameters:
    carbon_feed_id:
      name: carbon_feed_id
      description: Uniquely identify a specific carbon feed.
      in: path
      schema:
        type: string
        pattern: cabf[A-Z\d]{26}
        example: cabf01HN2NJ9NMRZBXT1H6FT9N7735
      required: true
    version-2:
      name: EvEnergy-Version
      description: Specify the version of this endpoint to use.
      required: false
      in: header
      schema:
        type: number
        enum:
        - 2
    page_size:
      name: page_size
      description: Specify the number of results to return per page.
      in: query
      required: false
      schema:
        type: integer
        default: 25
        minimum: 1
        maximum: 100
        example: 10
    previous:
      name: page_before
      description: Return results from the page after this ID.
      in: query
      required: false
      schema:
        type: string
        pattern: '[a-z]{4}[A-Z\d]{26}'
        example: xmpl01HNFZM7Q8FXASZXYZ6XM3TQRR
    next:
      name: page_after
      description: Return results from the page before this ID.
      in: query
      required: false
      schema:
        type: string
        pattern: '[a-z]{4}[A-Z\d]{26}'
        example: xmpl01HNFZM7Q8FXASZXYZ6XM3TQRR
    expand-on-carbonintensity:
      name: expand
      in: query
      schema:
        type: array
        items:
          type: string
          enum:
          - carbon_feed
      explode: true
      description: Specify a url field to expand into a nested resource.
  securitySchemes:
    oauth2:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://api.ev.energy/o/token/
          refreshUrl: https://api.ev.energy/o/token/
          scopes:
            carbon:read: ''
            grid:read: ''
            evse:read: ''
            evse:write: ''
            vehicle:read: ''
            user:read: ''
            charging_session:read: ''
            tariff:read: ''
            tariff:prices:read: ''
            user:write: ''
            inverter:read: ''
            inverter:write: ''
            home_battery:read: ''
            home_energy:read: ''
            boundary_meter:read: ''
            vehicle:write: ''
            vehicle_catalogue:write: Update shared vehicle-catalogue reference data (e.g. a model's default connector type)
            charging_session:write: ''
            solar:write: ''
            solar:read: ''
            subscription:read: ''
            debug:read: ''
            dispatch_coordinator:read: ''
            dispatch_event:write: ''
            solar_forecast:read: ''
            payout_method:read: Read a user's preferred payout method
            payout_method:write: Set, update, or clear a user's preferred payout method
            notification_preferences:read: Read a user's notification group opt-in state
            notification_preferences:write: Update a user's notification group opt-in state
            route_planner_preferences:read: Read a user's EV Route Planner preferences
            route_planner_preferences:write: Update a user's EV Route Planner preferences
            saved_routes:read: Read a user's saved route-planner routes
            saved_routes:write: Create, update, or delete a user's saved routes
            region:read: Read region and region group boundary data
            region:write: Create regions and region groups
        authorizationCode:
          authorizationUrl: https://api.ev.energy/o/authorize/
          tokenUrl: https://api.ev.energy/o/token/
          refreshUrl: https://api.ev.energy/o/token/
          scopes: {}
x-redocly:
  openapi:
    hideSchemaTitles: true
x-internal: false