openapi: 3.2.0
info:
  title: MoEngage Email Subscription Management Resubscribe API
  description: 'APIs for managing user email resubscription and opt-in status.

    This suite of APIs allows you to update the email subscription and opt-in preferences for your users directly within the MoEngage platform, and optionally synchronize resubscription status with an external Email Service Provider (ESP).

    '
  version: '1.0'
servers:
- url: https://api-{dc}.moengage.com
  description: MoEngage API Server
  variables:
    dc:
      default: '01'
      description: The ‘dc’ in the API Endpoint URL refers to the MoEngage Data Center (DC). MoEngage hosts each customer in a different DC. You can find your DC number and replace the value of ‘dc’ in the URL by referring to the DC and API endpoint mapping [here](/api/introduction#data-centers). Your MoEngage Data Center (DC) can be 01, 02, 03, 04, 05, 06, or 101.
security:
- basicAuth: []
tags:
- name: Resubscribe
  description: Resubscribe users who previously unsubscribed, and optionally update the ESP suppression list.
paths:
  /emails/v1.0/bulk-resubscribe:
    post:
      tags:
      - Resubscribe
      summary: Bulk Resubscribe Users
      description: 'This API resubscribes users who have previously unsubscribed on the MoEngage platform and an external email vendor platform simultaneously. This API resets the unsubscribe flag to “false” for users on MoEngage and makes a call to an External Service Provider (ESP) like SendGrid to remove the email addresses (associated with the unsubscribed users) from their suppression list.

        '
      operationId: bulkResubscribeUsers
      x-mint:
        content: '

          <Note>

          #### Supported ESPs

          The Resubscription API currently supports only **SendGrid**.

          </Note>


          #### Rate Limit

          The rate limit is **10 RPM** (requests per minute). The allowed volume is **14.4K** requests per day, with a maximum payload size of **100** recipient email addresses per request.

          '
      parameters:
      - name: MOE-APPKEY
        in: header
        required: true
        schema:
          type: string
        description: 'This is the Workspace ID of your MoEngage account that must be passed with the request. You can find it in the MoEngage dashboard at **Settings** > **Account** > **APIs** > **Workspace ID (earlier app id)**.

          '
        example: YOUR_WORKSPACE_ID_XXXX
      requestBody:
        description: List of recipients to resubscribe and ESP preference.
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ResubscribeRequest'
            example:
              recipients:
              - jane@domain.com
              - mike@example.com
              - john.doe@example.com
              update_esp: true
              esp: SENDGRID
              request_id: 636b77e6e2cf83277195fb60
      responses:
        '202':
          description: The request has been successfully submitted for asynchronous processing.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResubscribeSuccessResponse'
              example:
                message: The request is submitted successfully.
                response_id: SrTuWVlPsq
        '400':
          description: Bad Request. Returned for issues like missing mandatory fields (e.g., `recipients`), invalid format, too many recipients (>100), or invalid ESP settings.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResubscribeError400Response'
              examples:
                missingRecipients:
                  summary: Missing recipients field
                  value:
                    response_id: wkskLzEMwM
                    error:
                      message: Request_Body is mandatory. Kindly add request_body and the desired fields in the API payload.
                      err_code: BadRequest
                missingRequestId:
                  summary: Missing request_id field
                  value:
                    response_id: jLcIFgNqiF
                    error:
                      message: request_id - Field is required but value is None
                      err_code: InvalidFieldValue
                tooManyRecipients:
                  summary: Too many recipients (>100)
                  value:
                    response_id: ofVaFGNZeU
                    error:
                      message: Payload limit is set to 100
                      err_code: BadRequest
                invalidRecipientFormat:
                  summary: Invalid email format in recipients
                  value:
                    response_id: CNjLIXzCxP
                    error:
                      message: Please provide input in a valid email address format (example@domain.com) as part of 'Recipients'.
                      err_code: InvalidInput
                emptyRecipients:
                  summary: Empty recipients array
                  value:
                    response_id: VkJTiAOgxt
                    error:
                      message: Add at least one email address as part of the 'Recipients'
                      err_code: InvalidInput
                invalidEspSettings:
                  summary: Invalid Email Connector Settings
                  description: Occurs if the configured ESP settings are incorrect or the ESP is not SendGrid when `update_esp` is true.
                  value:
                    response_id: GENERATED_ID
                    error:
                      message: Valid email settings not present
                      err_code: InvalidSettings
        '401':
          description: Authorization Failure. Returned for issues like `MOE-APPKEY` header mismatch with Basic Auth username, missing Basic Auth credentials, or invalid authentication type.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResubscribeError401Response'
              examples:
                headerMismatch:
                  summary: MOE-APPKEY mismatch
                  value:
                    response_id: YNJhkZzfqt
                    error:
                      message: MOE_APPKEY doesn't match the Username (APP_KEY) used in Basic Auth authorization.
                      err_code: HeaderMismatch
                missingPassword:
                  summary: Missing password in Basic Auth
                  value:
                    response_id: dKzDpSIiCG
                    error:
                      message: Password (APP_SECRET) is missing in the Basic Auth authorization.
                      err_code: AuthenticationMissing
        '405':
          description: Method Not Allowed. Returned when a method other than POST is used (e.g., GET).
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResubscribeError405Response'
              example:
                response_id: GudkCOBkHT
                error:
                  message: This API only supports the POST method. Kindly update the method and retry again.
                  err_code: MethodNotAllowed
        '415':
          description: Unsupported Media Type. Returned when the `Content-Type` header is missing or invalid.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResubscribeError415Response'
              example:
                response_id: quUXnIinLK
                error:
                  message: The header 'Content-Type' is missing. Kindly provide the header 'Content-Type' and set it as 'application/json'
                  err_code: HeaderMissing
        '429':
          description: Rate Limit Breach. The request rate has exceeded the limit of 10 RPM.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResubscribeError429Response'
              example:
                response_id: quUXnIinLK
                error:
                  message: Rate limit exceeded
                  err_code: TooManyRequests
        '500':
          description: Internal Server Error.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResubscribeError500Response'
              example:
                response_id: quUXnIinLK
                error:
                  message: Please Contact Moengage Team
                  err_code: INTERNAL_SERVER_ERROR
components:
  schemas:
    ResubscribeError405Response:
      type: object
      description: This response is returned when the wrong HTTP method is used for the API (405 Method Not Allowed).
      properties:
        response_id:
          type: string
          description: Unique identifier for the response.
        error:
          type: object
          description: Contains the error details.
          properties:
            message:
              type: string
              description: A brief description of the error.
            err_code:
              type: string
              description: The error code for the unsuccessful request.
    ResubscribeError401Response:
      type: object
      description: This response is returned when the authorization fails due to invalid credentials or setup (401 Authorization Failure).
      properties:
        response_id:
          type: string
          description: Unique identifier for the response.
        error:
          type: object
          description: Contains the error details.
          properties:
            message:
              type: string
              description: A brief description of the error.
            err_code:
              type: string
              description: The error code for the unsuccessful request.
    ResubscribeRequest:
      type: object
      required:
      - recipients
      - esp
      - request_id
      properties:
        recipients:
          type: string
          description: 'This field contains the email ids of the users who have resubscribed.

            **Note:** If an email address matches multiple profiles, all the profiles will be marked as resubscribed on the MoEngage dashboard (the unsubscribe flag will be set to false for the user).'
          example:
          - john@example.com
          - mike@example.com
        customer_id:
          type: string
          description: This field denotes the unique identifier used to identify a user in MoEngage. Note that devices can be created for existing users only.
        esp:
          type: string
          description: 'This field contains information about the Email Service Provider (esp) whose suppression list needs to be updated. For example, “esp”: “SENDGRID” would imply that the email address of the customers who have resubscribed to your brand need to be removed from SendGrid’s suppression list.'
        update_esp:
          type: boolean
          description: This field’s default value is false when it is not sent in the request payload. MoEngage calls the ESP to remove the email addresses from their email suppression list when this field is true.
        request_id:
          type: string
          description: This field contains the value of the identifier for the request.
    ResubscribeError500Response:
      type: object
      description: This response is returned when the system runs into an unexpected error (500 Internal Server Error).
      properties:
        response_id:
          type: string
          description: Unique identifier for the response.
        error:
          type: object
          description: Contains the error details.
          properties:
            message:
              type: string
              description: A brief description of the error.
            err_code:
              type: string
              description: The error code for the unsuccessful request.
    ResubscribeError400Response:
      type: object
      description: This response is returned when the `recipients` field is not present in the request body (400 Bad Request).
      properties:
        response_id:
          type: string
          description: Unique identifier for the response.
        error:
          type: object
          description: Contains the error details.
          properties:
            message:
              type: string
              description: A brief description of the error.
            err_code:
              type: string
              description: The error code for the unsuccessful request.
    ResubscribeError429Response:
      type: object
      description: This response is returned when the number of requests has exceeded the rate limit (429 Rate Limit Breach).
      properties:
        response_id:
          type: string
          description: Unique identifier for the response.
        error:
          type: object
          description: Contains the error details.
          properties:
            message:
              type: string
              description: A brief description of the error.
            err_code:
              type: string
              description: The error code for the unsuccessful request.
    ResubscribeSuccessResponse:
      type: object
      description: Success response body for the Bulk Resubscribe API (202 Accepted).
      properties:
        message:
          type: string
          description: This field contains a brief description of the request status.
          example: The request is submitted successfully.
        response_id:
          type: string
          description: This field contains the unique identifier for the response and is present in the response only when the request is successful.
          example: SrTuWVlPsq
    ResubscribeError415Response:
      type: object
      description: This response is returned when the Content-Type header is missing or unsupported (415 Unsupported Media Type).
      properties:
        response_id:
          type: string
          description: Unique identifier for the response.
        error:
          type: object
          description: Contains the error details.
          properties:
            message:
              type: string
              description: A brief description of the error.
            err_code:
              type: string
              description: The error code for the unsuccessful request.
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: 'Authentication is done via Basic Auth. This requires a base64-encoded string of your credentials in the format ''username:password''.


        - **Username**: Use your MoEngage workspace ID (also known as the App ID). You can find it in the MoEngage dashboard at **Settings** > **Account** > **APIs** > **Workspace ID (earlier app id)**.

        - **Password**: Use your API Key, which you can find within the **Data** tile.


        For more information on authentication and getting your credentials, refer [here](https://www.moengage.com/docs/api/introduction#getting-your-credentials).

        '