# List CPMS Providers

Get a list of all the ChargePoint Management System Providers that we integrate with.

Endpoint: GET /cpms_providers
Version: 2.0
Security: oauth2

## Header parameters:

  - `EvEnergy-Version` (number)
    Specify the version of this endpoint to use.
    Enum: 2

## Query parameters:

  - `page_before` (string)
    Return results from the page after this ID.
    Example: "xmpl01HNFZM7Q8FXASZXYZ6XM3TQRR"

  - `page_after` (string)
    Return results from the page before this ID.
    Example: "xmpl01HNFZM7Q8FXASZXYZ6XM3TQRR"

## Response 200 fields (application/json):

  - `id` (any)
    Enum: "CHARGEPOINT", "SWTCH"

  - `url` (string)
    Example: "https://api.ev.energy/v2/cpms_providers/CHARGEPOINT/"

  - `name` (string)

  - `icon` (string,null)

## Response 400 fields (application/problem+json):

  - `type` (string)
    Example: "https://api.ev.energy/v2/problems/example-problem/"

  - `status` (number)
    Example: 400

  - `title` (string, required)
    Example: "Short description"

  - `detail` (string, required)
    Example: "Long, more specific description."

  - `instance` (string)
    Example: "https://api.ev.energy/v2/users/user01HN2P75GBNFRJPCZJXEFVXH5E"

  - `notification` (object)
    Something that the user should be informed about.

  - `notification.id` (string, required)
    Unique identifier for the Notification
    Example: "notf67O36PLTFDB57M0E5L33JZLGM0"

  - `notification.url` (string, required)
    Example: "https://api.ev.energy/notifications/notf67O36PLTFDB57M0E5L33JZLGM0"

  - `notification.message_id` (string, required)
    Internal identifier for this notification type. E.g. 'ERR0023'

  - `notification.category` (any, required)
    Category of this notification type
    Enum: "ACTIONABLE", "SERVICE", "RETRY", "MARKETING", "INTERNAL"

  - `notification.event_time` (string, required)
    The timestamp of the event described by this notification

  - `notification.short_text_title` (string, required)
    Short title for the notification

  - `notification.short_text_body` (string, required)
    Short description of the event being notified

  - `notification.detail_page_title` (string)
    Title of a help page giving more information about this notification

  - `notification.detail_page_body` (string)
    Text of a help page giving more information about this notification

  - `notification.external_link` (string,null)
    URL of a web page giving further information about this notification

  - `notification.external_button_label` (string)
    Text to be displayed on a button leading to the external_link location

  - `notification.read_at` (string)
    When the user examined the contents of this notification

  - `notification.resolved_at` (string)
    When the problem associated with this notification was resolved

## Response 401 fields (application/problem+json):

  - `status` (number)
    Example: 401

  - `title` (string, required)
    Example: "Unauthorized"

  - `detail` (string, required)
    Example: "Authentication credentials were not provided."

## Response 403 fields (application/problem+json):

  - `status` (number)
    Example: 403

  - `title` (string, required)
    Example: "Forbidden"

  - `detail` (string, required)
    Example: "You do not have permission to perform this action."

## Response 406 fields (application/problem+json):

  - `status` (number)
    Example: 406

  - `title` (string, required)
    Example: "Not Acceptable"

  - `detail` (string, required)
    Example: "Could not satisfy the request Accept header."

## Response 429 fields (application/problem+json):

  - `type` (string)
    Example: "https://api.ev.energy/v2/problems/example-problem/"

  - `status` (number)
    Example: 400

  - `title` (string, required)
    Example: "Short description"

  - `detail` (string, required)
    Example: "Long, more specific description."

  - `instance` (string)
    Example: "https://api.ev.energy/v2/users/user01HN2P75GBNFRJPCZJXEFVXH5E"

  - `notification` (object)
    Something that the user should be informed about.

  - `notification.id` (string, required)
    Unique identifier for the Notification
    Example: "notf67O36PLTFDB57M0E5L33JZLGM0"

  - `notification.url` (string, required)
    Example: "https://api.ev.energy/notifications/notf67O36PLTFDB57M0E5L33JZLGM0"

  - `notification.message_id` (string, required)
    Internal identifier for this notification type. E.g. 'ERR0023'

  - `notification.category` (any, required)
    Category of this notification type
    Enum: "ACTIONABLE", "SERVICE", "RETRY", "MARKETING", "INTERNAL"

  - `notification.event_time` (string, required)
    The timestamp of the event described by this notification

  - `notification.short_text_title` (string, required)
    Short title for the notification

  - `notification.short_text_body` (string, required)
    Short description of the event being notified

  - `notification.detail_page_title` (string)
    Title of a help page giving more information about this notification

  - `notification.detail_page_body` (string)
    Text of a help page giving more information about this notification

  - `notification.external_link` (string,null)
    URL of a web page giving further information about this notification

  - `notification.external_button_label` (string)
    Text to be displayed on a button leading to the external_link location

  - `notification.read_at` (string)
    When the user examined the contents of this notification

  - `notification.resolved_at` (string)
    When the problem associated with this notification was resolved