Constant Contact Events API

swagger: '2.0'
info:
  description: The Constant Contact, Inc. V3 public API, for building integrations with Constant Contact, the leading small-business email marketing platform.
  version: 3.0.149
  title: AppConnect V3 Account Services Events API
  contact:
    name: webservices@constantcontact.com
  license:
    name: Private
    url: https://www.constantcontact.com/legal/terms-of-use
host: api.cc.email
basePath: /v3
schemes:
- https
consumes:
- application/json
produces:
- application/json
tags:
- name: Events
  description: Endpoints and methods used to create and manage events.
paths:
  /events:
    get:
      tags:
      - Events
      summary: GET a collection of events.
      description: Retrieve a collection of events with event details.
      operationId: findEvents
      produces:
      - application/json
      parameters:
      - name: event_status
        in: query
        description: Use to return only events that meet the specified status. Acceptable values include `ACTIVE`,`DRAFT`, `COMPLETE`, `DELETED`,`CANCELLED`, and `ERROR`.
        required: false
        type: string
        x-example: DRAFT
      - name: search_text
        in: query
        description: Use to return only events that include the specified text.
        required: false
        type: string
        x-example: reunion
      - name: sort_by
        in: query
        description: 'Use to sort resulting events by one of the following properties: `name`, `start_time`, `end_time`, `created_time`, or `updated_time`.'
        required: false
        type: string
        x-example: created_time
      - name: sort_order
        in: query
        description: Sort order for the `sort_by parameter`. Accepted values include `ASC` (ascending) or `DESC` (descending). Defaults to `ASC` if `sort_by` is provided.
        required: false
        type: string
        x-example: DESC
      - name: limit
        in: query
        description: Limit the number of results to return per page. Default and maximum is `100`.
        required: false
        type: string
        x-example: '5'
      - name: prev
        in: query
        description: Cursor for retrieving the previous page of results. This value is obtained from the `prev_cursor` field in a previous response.
        required: false
        type: string
        x-example: 7zDEe3DhD5gUiwRFsvWKKZlZO1j6-YihH2hyVWD8GaW7JnzXbHFP8Tou212KoU20mOjvM6pdWwycDWC3X-Hb_xY-RK1eBwYp_pc4X2CvLxo.
      - name: next
        in: query
        description: Cursor for retrieving the next page of results. This value is obtained from the `next_cursor` field in a previous response.
        required: false
        type: string
        x-example: 7zDEe3DhD5gUiwRFsvWKKZlZO1j6-YihH2hyVWD8GaW7JnzXbHFP8Tou212KoU20mOjvM6pdWwycDWC3X-Hb_xY-RK1eBwYp_pc4X2CvLxo
      responses:
        '200':
          description: Request Successful
          schema:
            $ref: '#/definitions/PaginationDtoEventListingDto'
        '400':
          description: Bad request. Either the JSON was malformed or there was a data validation error.
        '401':
          description: The Access Token used is invalid.
        '403':
          description: Forbidden request. You lack the necessary scopes, you lack the necessary user privileges, or the application is deactivated.
        '404':
          description: The requested resource was not found.
        '500':
          description: There was a problem with our internal service.
        '503':
          description: Our internal service is temporarily unavailable.
      security:
      - oauth2_implicit:
        - campaign_data
      - oauth2_access_code:
        - campaign_data
      x-authorization-privileges:
      - campaign:read
  /events/default:
    post:
      tags:
      - Events
      summary: POST (create) a new event.
      description: Creates a new event with default settings, registration form, and landing page. The event will be created in DRAFT status.
      operationId: addDefaultEvent
      consumes:
      - application/json
      produces:
      - application/json
      parameters:
      - name: name
        in: query
        description: Name for the new event. If not provided, a default name will be generated.
        required: false
        type: string
        x-example: My Event
      - name: start_time
        in: query
        description: Event start time in ISO 8601 format. If not provided, defaults to a future date.
        required: false
        type: string
        x-example: '2024-01-15T10:00:00Z'
      - name: end_time
        in: query
        description: Event end time in ISO 8601 format. If not provided, defaults to one hour after start time.
        required: false
        type: string
        x-example: '2024-01-15T18:00:00Z'
      - name: placeholder_campaign_id
        in: query
        description: Placeholder campaign ID for the event.
        required: false
        type: string
        x-example: campaign-123
      responses:
        '201':
          description: Event created successfully
          schema:
            $ref: '#/definitions/EventDto'
        '400':
          description: Bad request. Either the JSON was malformed or there was a data validation error.
        '401':
          description: The Access Token used is invalid.
        '403':
          description: Forbidden request. You lack the necessary scopes, you lack the necessary user privileges, or the application is deactivated.
        '500':
          description: There was a problem with our internal service.
      security:
      - oauth2_implicit:
        - campaign_data
      - oauth2_access_code:
        - campaign_data
      x-authorization-privileges:
      - campaign:write
      x-sdk-methodName: createEvent
  /events/{event_id}:
    get:
      tags:
      - Events
      summary: GET details for a single event.
      description: Specify the `event_id` path parameter to retrieve the event's details.
      operationId: getEvent_2
      produces:
      - application/json
      parameters:
      - name: event_id
        in: path
        description: The ID that uniquely identifies the event.
        required: true
        type: string
        x-example: 1697732a-8664-4675-8415-c4aabaa17dae
      - name: include
        in: query
        description: Use to include (`true`) or exclude (`false`) event setting properties in the results.
        required: false
        type: boolean
        x-example: true
      responses:
        '200':
          description: Request Successful
          schema:
            $ref: '#/definitions/EventDto'
        '400':
          description: Bad request. Either the JSON was malformed or there was a data validation error.
        '401':
          description: The Access Token used is invalid.
        '403':
          description: Forbidden request. You lack the necessary scopes, you lack the necessary user privileges, or the application is deactivated.
        '404':
          description: The requested resource was not found.
        '500':
          description: There was a problem with our internal service.
        '503':
          description: Our internal service is temporarily unavailable.
      security:
      - oauth2_implicit:
        - campaign_data
      - oauth2_access_code:
        - campaign_data
      x-authorization-privileges:
      - campaign:read
    patch:
      tags:
      - Events
      summary: PATCH (update) an event.
      description: Partially updates an event with the provided fields. Only the specified fields will be updated. This endpoint only works for events in DRAFT or ACTIVE status. Events in COMPLETE, CANCELED, or DELETED status cannot be updated.
      operationId: patchEvent
      consumes:
      - application/json
      produces:
      - application/json
      parameters:
      - name: event_id
        in: path
        description: The ID that uniquely identifies the event to update.
        required: true
        type: string
        x-example: 1697732a-8664-4675-8415-c4aabaa17dae
      - in: body
        name: body
        description: A JSON request body containing the event fields to update.
        required: true
        schema:
          $ref: '#/definitions/EventDto'
      responses:
        '204':
          description: Event updated successfully
        '400':
          description: Bad request. Either the JSON was malformed or there was a data validation error.
        '401':
          description: The Access Token used is invalid.
        '403':
          description: Forbidden request. You lack the necessary scopes, you lack the necessary user privileges, or the application is deactivated.
        '404':
          description: The requested resource was not found.
        '500':
          description: There was a problem with our internal service.
      security:
      - oauth2_implicit:
        - campaign_data
      - oauth2_access_code:
        - campaign_data
      x-authorization-privileges:
      - campaign:write
      x-sdk-methodName: updateEvent
  /events/{event_id}/copy:
    post:
      tags:
      - Events
      summary: POST (copy) an existing event.
      description: Creates a deep copy of an existing event with all its settings, registration forms, and landing pages. The copied event is created in DRAFT status. Events in DRAFT, ACTIVE, COMPLETE, or CANCELED status can be copied. DELETED events cannot be copied.
      operationId: copyEvent
      consumes:
      - application/json
      produces:
      - application/json
      parameters:
      - name: event_id
        in: path
        description: The ID of the event to copy.
        required: true
        type: string
        x-example: 1697732a-8664-4675-8415-c4aabaa17dae
      - in: body
        name: body
        description: A JSON request body containing the copy options.
        required: true
        schema:
          $ref: '#/definitions/EventCopyRequestDto'
      responses:
        '200':
          description: Event copied successfully
          schema:
            $ref: '#/definitions/EventDto'
        '207':
          description: Event copied with some failures
          schema:
            $ref: '#/definitions/EventDto'
        '400':
          description: Bad request. Either the JSON was malformed or there was a data validation error.
        '401':
          description: The Access Token used is invalid.
        '403':
          description: Forbidden request. You lack the necessary scopes, you lack the necessary user privileges, or the application is deactivated.
        '404':
          description: The requested resource was not found.
        '500':
          description: There was a problem with our internal service.
      security:
      - oauth2_implicit:
        - campaign_data
      - oauth2_access_code:
        - campaign_data
      x-authorization-privileges:
      - campaign:write
      x-sdk-methodName: copyEvent
  /events/{event_id}/check_in/tickets:
    post:
      tags:
      - Events
      summary: Check in event tickets.
      description: Use this endpoint to mark one or more tickets as checked in. The event must be in `ACTIVE` or `COMPLETE` status. Tickets with `CANCELLED` status cannot be checked in (returns HTTP 400).
      operationId: checkInTickets
      consumes:
      - application/json
      produces:
      - application/json
      parameters:
      - name: event_id
        in: path
        description: The ID that uniquely identifies the event.
        required: true
        type: string
        x-example: 07216444-4e3b-41ea-a3b8-5a418fce41f4
      - in: body
        name: body
        description: Set of order ticket keys to mark as checked in.
        required: true
        schema:
          $ref: '#/definitions/OrderTicketKeysRequestDto'
      responses:
        '204':
          description: Successfully checked in order tickets.
        '400':
          description: Bad request. Either the JSON was malformed or there was a data validation error.
        '401':
          description: The Access Token used is invalid.
        '403':
          description: Forbidden request. You lack the necessary scopes, you lack the necessary user privileges, or the application is deactivated.
        '404':
          description: The requested resource was not found.
        '500':
          description: There was a problem with our internal service.
      security:
      - oauth2_implicit:
        - campaign_data
      - oauth2_access_code:
        - campaign_data
      x-authorization-privileges:
      - campaign:write
  /events/{event_id}/undo_check_in/tickets:
    post:
      tags:
      - Events
      summary: Undo event ticket check-in.
      description: Use this endpoint to undo check-in for one or more tickets, marking them as not checked in. The event must be in `ACTIVE` or `COMPLETE` status.
      operationId: undoCheckInTickets
      consumes:
      - application/json
      produces:
      - application/json
      parameters:
      - name: event_id
        in: path
        description: The ID that uniquely identifies the event.
        required: true
        type: string
        x-example: 07216444-4e3b-41ea-a3b8-5a418fce41f4
      - in: body
        name: body
        description: Set of order ticket keys to mark as not checked in.
        required: true
        schema:
          $ref: '#/definitions/OrderTicketKeysRequestDto'
      responses:
        '204':
          description: Successfully undone check-in for order tickets.
        '400':
          description: Bad request. Either the JSON was malformed or there was a data validation error.
        '401':
          description: The Access Token used is invalid.
        '403':
          description: Forbidden request. You lack the necessary scopes, you lack the necessary user privileges, or the application is deactivated.
        '404':
          description: The requested resource was not found.
        '500':
          description: There was a problem with our internal service.
      security:
      - oauth2_implicit:
        - campaign_data
      - oauth2_access_code:
        - campaign_data
      x-authorization-privileges:
      - campaign:write
  /events/{event_id}/tracks/{track_id}/registrations/{registration_id}:
    get:
      tags:
      - Events
      summary: Get registration details for an event.
      description: Use the `event_id`, `registration_id`, and `track_id` path parameters to get registration details.
      operationId: getRegistrationInfo
      produces:
      - application/json
      parameters:
      - name: event_id
        in: path
        description: The ID that uniquely identifies the event.
        required: true
        type: string
        x-example: 1697732a-8664-4675-8415-c4aabaa17dae
      - name: track_id
        in: path
        description: The track key that uniquely identifies the event track.
        required: true
        type: string
        x-example: s8zabc
      - name: registration_id
        in: path
        description: The ID that uniquely identifies the registration.
        required: true
        type: string
        x-example: a1b2c3d4-e5f6-7890-abcd-ef1234567890
      responses:
        '200':
          description: Request Successful
          schema:
            $ref: '#/definitions/DetailedRegistrationDto'
        '400':
          description: Bad request. Either the JSON was malformed or there was a data validation error.
        '401':
          description: The Access Token used is invalid.
        '403':
          description: Forbidden request. You lack the necessary scopes, you lack the necessary user privileges, or the application is deactivated.
        '404':
          description: The requested resource was not found.
        '500':
          description: There was a problem with our internal service.
        '503':
          description: Our internal service is temporarily unavailable.
      security:
      - oauth2_implicit:
        - campaign_data
      - oauth2_access_code:
        - campaign_data
      x-authorization-privileges:
      - campaign:read
  /events/{event_id}/tracks/{track_id}/registrations:
    get:
      tags:
      - Events
      summary: Get a list of registrations for an event.
      description: Use the `event_id` and `track_id` path parameters to get a list of registrations for an event. Use optional query parameters to limit the number of results returned per page, the sort order, or to filter results by specific criteria; such as registration `status`.
      operationId: findRegistrationsUsingGET
      produces:
      - application/json
      parameters:
      - name: event_id
        in: path
        description: The ID that uniquely identifies the event.
        required: true
        type: string
        x-example: 1697732a-8664-4675-8415-c4aabaa17dae
      - name: track_id
        in: path
        description: The track ID that uniquely identifies the event track.
        required: true
        type: string
        x-example: s8zabc
      - name: registration_status
        in: query
        description: Filter registration results by status.
        required: false
        type: string
        enum:
        - PENDING
        - REGISTERED
        - CANCELED
        - EXPIRED
        - IN_PROGRESS, FAILED
        x-example: REGISTERED
      - name: payment_status
        in: query
        description: Filter registration results by payment status.
        required: false
        type: string
        enum:
        - PENDING
        - PAID
        - REFUNDED
        - CANCELLED
        - FAILED
        - CHARGED_BACK
        x-example: PAID
      - name: search_text
        in: query
        description: Filter registration results by first name, last name, or email address.
        required: false
        type: string
        x-example: john.doe@example.com
      - name: sort_by
        in: query
        description: Specify the field to use to sort the results.
        required: false
        type: string
        enum:
        - first_name
        - last_name
        - email_address
        - registration_status
        - payment_status
        - tickets
        - total
        x-example: email_address
      - name: sort_order
        in: query
        description: Use to specify how you want the results sorted.
        required: false
        type: string
        enum:
        - ASC
        - DESC
        x-example: ASC
      - name: page_size
        in: query
        description: Alternative to the <code>limit</code> parameter to limit the number of results returned per page. If specifying both the <code>limit</code> and <code>page_size</code> query parameters, they must be the same value.
        required: false
        type: string
        x-example: '50'
      - name: limit
        in: query
        description: Limit the number of results returned per page. If specifying both the <code>limit</code> and <code>page_size</code> query parameters, they must be the same value.
        required: false
        type: string
        x-example: '50'
      - name: prev
        in: query
        description: Cursor for pagination used to get the previous page of results (mutually exclusive with <code>next</code>).
        required: false
        type: string
        x-example: bSzsyWkkq95R44vIFEpY62gr8_xSeRXsEQkhnhltPgiT
      - name: next
        in: query
        description: Cursor for pagination used to get the next page of results (mutually exclusive with <code>prev</code>).
        required: false
        type: string
        x-example: cTk9xLmmr06S55wJGfQ73hs9_yTfSYtFRlimimQhjUj
      responses:
        '200':
          description: Successfully retrieved registrations
          schema:
            $ref: '#/definitions/PaginatedRegistrations'
        '400':
          description: Bad request. Either the JSON was malformed or there was a data validation error.
        '404':
          description: The requested resource was not found.
        '500':
          description: There was a problem with our internal service.
      security:
      - oauth2_implicit:
        - campaign_data
      - oauth2_access_code:
        - campaign_data
      x-authorization-privileges:
      - campaign:read
    put:
      tags:
      - Events
      summary: Update status for event registrations.
      description: Use this endpoint to update the registration status for one or more registrations within an event track.
      operationId: updateRegistrationStatusUsingPUT
      consumes:
      - application/json
      produces:
      - application/json
      parameters:
      - name: event_id
        in: path
        description: The ID that uniquely identifies the event.
        required: true
        type: string
        x-example: 07216444-4e3b-41ea-a3b8-5a418fce41f4
      - name: track_id
        in: path
        description: The track key that uniquely identifies the event track.
        required: true
        type: string
        x-example: gqz1gb
      - name: increase_count
        in: query
        description: Override count flag.
        required: false
        type: boolean
      - name: increase_item_count
        in: query
        description: Override item count flag.
        required: false
        type: boolean
      - name: return_items_to_inventory
        in: query
        description: Return items to inventory flag. Defaults to `true`.
        required: false
        type: boolean
      - in: body
        name: body
        description: Registration status update request data.
        required: true
        schema:
          $ref: '#/definitions/RegistrationStatusUpdateRequestDto'
      responses:
        '200':
          description: Successfully updated registration status.
        '207':
          description: Some registrations failed to update.
          schema:
            $ref: '#/definitions/RegistrationStatusUpdateResponseDto'
        '400':
          description: Bad request. Either the JSON was malformed or there was a data validation error.
        '401':
          description: The Access Token used is invalid.
        '403':
          description: Forbidden request. You lack the necessary scopes, you lack the necessary user privileges, or the application is deactivated.
        '404':
          description: The requested resource was not found.
        '500':
          description: There was a problem with our internal service.
      security:
      - oauth2_implicit:
        - campaign_data
      - oauth2_access_code:
        - campaign_data
      x-authorization-privileges:
      - campaign:write
  /events/{event_id}/tracks/{track_id}/registrations/payment_status:
    put:
      tags:
      - Events
      summary: Update payment status for event registrations.
      description: Use this endpoint to update the payment status for one or more registrations. This endpoint only processes registrations with a payment method (PAYPAL, WEPAY, STRIPE, DOOR, or CHECK). Free registrations without a payment method are silently excluded.
      operationId: updateRegistrationPaymentStatusUsingPUT
      consumes:
      - application/json
      produces:
      - application/json
      parameters:
      - name: event_id
        in: path
        description: The ID that uniquely identifies the event.
        required: true
        type: string
        x-example: c5da3665-88f9-4b15-82bc-cd6593c32537
      - name: track_id
        in: path
        description: The track key that uniquely identifies the event track.
        required: true
        type: string
        x-example: 2unzqq
      - in: body
        name: body
        description: Payment status update request data.
        required: true
        schema:
          $ref: '#/definitions/PaymentStatusUpdateRequestDto'
      responses:
        '200':
          description: Successfully updated payment status.
        '207':
          description: Some registrations failed to update.
          schema:
            $ref: '#/definitions/RegistrationStatusUpdateResponseDto'
        '400':
          description: Bad request. Either the JSON was malformed or there was a data validation error.
        '401':
          description: The Access Token used is invalid.
        '403':
          description: Forbidden request. You lack the necessary scopes, you lack the necessary user privileges, or the application is deactivated.
        '404':
          description: The requested resource was not found.
        '500':
          description: There was a problem with our internal service.
      security:
      - oauth2_implicit:
        - campaign_data
      - oauth2_access_code:
        - campaign_data
      x-authorization-privileges:
      - campaign:write
definitions:
  Href:
    type: object
    properties:
      href:
        type: string
  TrackDto:
    type: object
    required:
    - campaign_activity_id
    properties:
      campaign_activity_id:
        type: string
        format: uuid
        example: 31bb0c22-1c72-4841-9d2c-8bd41ed526bc
        description: The campaign activity ID associated with the registration form.
        readOnly: true
      conf_email_campaign_activity_id:
        type: string
        format: uuid
        example: 31bb0c22-1c72-4841-9d2c-8bd41ed526bc
        description: The confirmation email campaign activity ID.
        readOnly: true
      create_time:
        type: string
        example: '2023-11-17T17:33:21.652Z'
        description: The event's create time.
        readOnly: true
      items_header:
        type: string
        example: Items
        description: items header
      last_update_time:
        type: string
        example: '2023-12-07T13:18:39.681Z'
        description: The event's last modification time.
        readOnly: true
      media_assets:
        type: array
        description: The list of media assets configured for the event.
        items:
          $ref: '#/definitions/EventMediaAssetDto'
      overall_ticket_capacity:
        type: integer
        format: int32
        example: 100
        description: The total overall ticket capacity.
      platform_fee_scope_type:
        type: string
        example: OWNER
        description: Specifies if the platform fee is passed to registrant or absorbed by the event host.
      promo_codes:
        type: array
        description: The list of <code>promo_codes</code> configured for the event.
        items:
          $ref: '#/definitions/PromoCodeDto'
      reg_manually_closed_flag:
        type: boolean
        example: true
        description: Closes registration to prevent further registrations.
      registration_end_time:
        type: string
        example: '2024-01-01T20:30:00Z'
        description: The date and time when registration should end. ISO format.
      registration_type:
        type: string
        example: TICKET
        description: The registration type for the event.
      restrict_to_single_ticket_flag:
        type: boolean
        example: true
        description: Restricts selection to a single ticket.
      tickets_header:
        type: string
        example: Tickets
        description: The header to use for tickets.
      track_id:
        type: string
        example: s8zabc
        description: The ticket <code>track id</code>.
        readOnly: true
      items:
        type: array
        readOnly: true
        items:
          $ref: '#/definitions/ItemDto'
    title: TrackDto
  RegistrationTicketDto:
    type: object
    properties:
      checked_in_time:
        type: string
        format: date-time
        example: '2025-11-20T16:13:02.072Z'
        description: The event check in time date, in ISO format.
      editable:
        type: boolean
        example: false
        description: Set to <code>true</code> to allow or <code>false</code> to not allow registrations to be modified.
      order_ticket_key:
        type: string
        example: a1b2c3
        description: The system generated number used to identify a ticket order.
      price:
        type: number
        example: 25.0
        description: The price for a ticket.
      ticket_name:
        type: string
        example: General Admission
        description: The name used to identify the ticket.
      fields:
        type: array
        items:
          $ref: '#/definitions/SimpleFieldDto'
  EventMetaDataDto:
    type: object
    properties:
      items_enabled:
        type: boolean
        example: true
        description: Specifies if the items are enabled for the event.
      paid_event:
        type: boolean
        example: true
        description: Specifies if the event requires payment.
      promo_codes_enabled:
        type: boolean
        example: true
        description: Specifies if promotion codes are enabled for the event.
    title: EventMetaDataDto
    description: Additional information related to event
  EventListingDto:
    type: object
    properties:
      event_id:
        type: string
        example: 05cf4d60-56ea-4023-bf49-b35e56a9c7b5
        description: The unique identifier for the event.
      title:
        type: string
        example: Class of 2015 Reunion
        description: The title of the event.
      description:
        type: string
        example: Join us for a night of reminiscing and celebration!
        description: The description of the event.
      start_time:
        type: string
        example: '2023-12-01T20:30:00Z'
        description: The start time of the event in UTC format.
      end_time:
        type: string
        example: '2023-12-01T21:30:00Z'
        description: The end time of the event in UTC format.
      status:
        type: string
        example: ACTIVE
        description: The current status of the event.
      registration_url:
        type: string
        example: https://sample_url.com/ev/reg/scrk2u2
        description: The URL for event registration
      name:
        type: string
        example: Holiday Market at Snowport
        description: The name of the event.
      event_type:
        type: string
        example: PERFORMING_ARTS
        description: Use to specify the type of event.
      location_type:
        type: string
        example: PHYSICAL
        description: Specifies if this is a physical or virtual event (of both), or if the location is to be specified in the future.
      time_zone_type:
        type: string
        example: EST
        description: The type of time zone.
      address:
        $ref: '#/definitions/AddressDto'
      event_registration_summary_metrics:
        $ref: '#/definitions/EventRegistrationSummaryMetricDto'
      create_time:
        type: string
        example: '2023-09-01T20:30:00Z'
        description: The create time of the event in UTC format.
    description: Provides information about the event listing.
  LineItemDetailsDto:
    type: object
    properties:
      amount:
        type: string
        example: $25.00
        description: The formatted amount of the line item.
      amount_unformatted:
        type: number
        example: 25.0
        description: The unformatted amount of the line item.
      line_item_type:
        type: string
        example: TICKET
        description: Type of line item.
      name:
        type: string
        example: General Admission
        description: The name of the line item.
  RegistrantInformationLiteDto:
    type: object
    properties:
      checkedIn_tickets:
        type: integer
        format: int32
        example: 1
        description: The total number of tickets processed to check in for the event.
      checkin_status:
        type: string
        example: CHECKED_IN
        description: The status of the check-in.
      eligible_checkin_tickets:
        type: integer
        format: int32
        example: 2
        description: The current checkin status.
      email_address:
        type: string
        example: sarah_lang@mymail.com
        description: The email address associated with the registered event user.
      first_name:
        type: string
        example: sarah
        description: The first name of the person that registered for the event.
      last_name:
        type: string
        example: lang
        description: The last name of the person that registered for the event.
      new_contact:
        type: boolean
        example: true
        description: Set to <code>true</code> to indicate that the contact is new, otherwise set to <code>false</code>.
      payment_status:
        type: string
        example: PAID
        description: The current payment status for a registration.
      registration_id:
        type: string
        example: 3f1ceb43-f858-432e-b2

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# Full source: https://raw.githubusercontent.com/api-evangelist/constant-contact/refs/heads/main/openapi/constant-contact-events-api-openapi.yml