# Upgrade existing subscription

## OpenAPI Specification

```yaml
openapi: 3.0.1
info:
  title: ''
  description: ''
  version: 1.0.0
paths:
  /v2/subscriptions/upgrade:
    post:
      summary: Upgrade existing subscription
      deprecated: false
      description: >
        Upgrade an existing subscription by providing a new plan key and the
        subscription ID.


        | Name            | Type   |
        Description                                    |

        |----------------|--------|------------------------------------------------|

        | `uniquePlanKey`  | `string` | The plan key to which the subscription
        should be upgraded.  |

        | `subscriptionId` | `string` | ID of the subscription to be upgraded. |


        ### Example Request


        ```json

        {
          "uniquePlanKey": "zap_mail_growth",
          "subscriptionId": "sub_123456789"
        }
      tags:
        - subscriptions
      parameters:
        - name: x-auth-zapmail
          in: header
          description: ''
          required: true
          example: ''
          schema:
            type: string
        - name: x-workspace-key
          in: header
          description: ''
          required: false
          example: ''
          schema:
            type: string
        - name: ' x-service-provider'
          in: header
          description: ''
          required: false
          example: ''
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                lookupKey:
                  type: string
                  enum:
                    - zap_mail_mvp
                    - zap_mail_growth
                    - zap_mail_pro2
                    - zap_mail_mvp_yearly
                    - zap_mail_growth_yearly
                    - zap_mail_pro2_yearly
                    - zap_mail_microsoft_mvp
                    - zap_mail_microsoft_growth
                    - zap_mail_microsoft_pro
                    - zap_mail_microsoft_mvp_yearly
                    - zap_mail_microsoft_growth_yearly
                    - zap_mail_microsoft_pro_yearly
                  x-apidog-enum:
                    - value: zap_mail_mvp
                      name: ZAPMAIL_MVP
                      description: ''
                    - value: zap_mail_growth
                      name: ZAPMAIL_GROWTH
                      description: ''
                    - value: zap_mail_pro2
                      name: ZAPMAIL_PRO2
                      description: ''
                    - value: zap_mail_mvp_yearly
                      name: ZAPMAIL_MVP_YEARLY
                      description: ''
                    - value: zap_mail_growth_yearly
                      name: ZAPMAIL_GROWTH_YEARLY
                      description: ''
                    - value: zap_mail_pro2_yearly
                      name: ZAPMAIL_PRO2_YEARLY
                      description: ''
                    - value: zap_mail_microsoft_mvp
                      name: ZAPMAIL_MICROSOFT_MVP
                      description: ''
                    - value: zap_mail_microsoft_growth
                      name: ZAPMAIL_MICROSOFT_GROWTH
                      description: ''
                    - value: zap_mail_microsoft_pro
                      name: ZAPMAIL_MICROSOFT_PRO
                      description: ''
                    - value: zap_mail_microsoft_mvp_yearly
                      name: ZAPMAIL_MICROSOFT_MVP_YEARLY
                      description: ''
                    - value: zap_mail_microsoft_growth_yearly
                      name: ZAPMAIL_MICROSOFT_GROWTH_YEARLY
                      description: ''
                    - value: zap_mail_microsoft_pro_yearly
                      name: ZAPMAIL_MICROSOFT_PRO_YEARLY
                      description: ''
                subscriptionId:
                  type: string
              required:
                - lookupKey
                - subscriptionId
              x-apidog-orders:
                - lookupKey
                - subscriptionId
            example:
              lookupKey: ''
              subscriptionId: sub_1P8ihuFgljsDeiyre9KRflk1q
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                type: object
                properties: {}
          headers: {}
          x-apidog-name: Success
      security: []
      x-apidog-folder: subscriptions
      x-apidog-status: released
      x-run-in-apidog: https://app.apidog.com/web/project/797058/apis/api-13489501-run
components:
  schemas: {}
  securitySchemes: {}
servers:
  - url: https://api.zapmail.ai/api
    description: Prod Env
security: []

```