HubSpot Event Status API

openapi: 3.2.0
info:
  title: Marketing Marketing Events Event Status API
  description: Basepom for all HubSpot Projects
  version: 2026-09
  x-hubspot-product-tier-requirements:
    marketing: FREE
    sales: FREE
    service: FREE
    cms: FREE
    commerce: FREE
    crmHub: FREE
    dataHub: FREE
servers:
- url: https://api.hubapi.com
tags:
- name: Event Status
paths:
  /marketing/marketing-events/2026-09/events/{externalEventId}/cancel:
    post:
      tags:
      - Event Status
      summary: Mark a marketing event as cancelled
      description: Mark a marketing event as cancelled.
      operationId: post-/marketing/marketing-events/2026-09/events/{externalEventId}/cancel_cancel
      parameters:
      - name: externalEventId
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      - name: externalAccountId
        in: query
        description: ''
        required: true
        style: form
        explode: true
        schema:
          type: string
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MarketingEventDefaultResponse'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.marketing_events.write
  /marketing/marketing-events/2026-09/events/{externalEventId}/complete:
    post:
      tags:
      - Event Status
      summary: Mark a marketing event as completed
      operationId: post-/marketing/marketing-events/2026-09/events/{externalEventId}/complete_complete
      parameters:
      - name: externalEventId
        in: path
        description: ''
        required: true
        style: simple
        explode: false
        schema:
          type: string
      - name: externalAccountId
        in: query
        description: ''
        required: true
        style: form
        explode: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MarketingEventCompleteRequestParams'
        required: true
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MarketingEventDefaultResponse'
        default:
          description: ''
          $ref: '#/components/responses/Error'
      security:
      - oauth2:
        - crm.objects.marketing_events.write
components:
  schemas:
    MaskedSubstrings:
      required:
      - substrings
      type: object
      properties:
        substrings:
          type: array
          items:
            $ref: '#/components/schemas/MaskedSubstring'
    ErrorDetail:
      required:
      - message
      type: object
      properties:
        code:
          type: string
          description: The status code associated with the error detail
        context:
          type: object
          additionalProperties:
            type: array
            items:
              type: string
          description: Context about the error condition
          example: '{missingScopes=[scope1, scope2]}'
        in:
          type: string
          description: The name of the field or parameter in which the error was found.
        message:
          type: string
          description: A human readable message describing the error along with remediation steps where appropriate
        subCategory:
          type: string
          description: A specific category that contains more specific detail about the error
      description: Represents detailed information about an error that occurred in the API. This component is used to provide additional context and specifics about errors, typically as part of an error response.
    MarketingEventDefaultResponse:
      required:
      - customProperties
      - eventName
      - eventOrganizer
      type: object
      properties:
        customProperties:
          type: array
          description: 'A list of PropertyValues. These can be whatever kind of property names and values you want. However, they must already exist on the HubSpot account''s definition of the MarketingEvent Object. If they don''t they will be filtered out and not set.

            In order to do this you''ll need to create a new PropertyGroup on the HubSpot account''s MarketingEvent object for your specific app and create the Custom Property you want to track on that HubSpot account. Do not create any new default properties on the MarketingEvent object as that will apply to all HubSpot accounts.

            '
          items:
            $ref: '#/components/schemas/PropertyValue'
        endDateTime:
          type: string
          description: The end date and time of the marketing event.
          format: date-time
        eventCancelled:
          type: boolean
          description: Indicates if the marketing event has been cancelled.
        eventCompleted:
          type: boolean
          description: Indicates if the marketing event has been completed.
        eventDescription:
          type: string
          description: The description of the marketing event.
        eventName:
          type: string
          description: The name of the marketing event.
        eventOrganizer:
          type: string
          description: The name of the organizer of the marketing event.
        eventType:
          type: string
          description: The type of the marketing event.
        eventUrl:
          type: string
          description: The URL in the external event application where the marketing event can be managed.
        objectId:
          type: string
          description: The ID of the marketing event CRM object
        startDateTime:
          type: string
          description: The start date and time of the marketing event.
          format: date-time
    MaskedSubstring:
      required:
      - end
      - start
      type: object
      properties:
        end:
          type: integer
          format: int32
        start:
          type: integer
          format: int32
    MarketingEventCompleteRequestParams:
      required:
      - endDateTime
      - startDateTime
      type: object
      properties:
        endDateTime:
          type: string
          description: The end date and time of the marketing event in ISO 8601 format
          format: date-time
        startDateTime:
          type: string
          description: The start date and time of the marketing event in ISO 8601 format
          format: date-time
    PropertyValue:
      required:
      - dataSensitivity
      - isEncrypted
      - isLargeValue
      - maskedSubstrings
      - name
      - persistenceTimestamp
      - requestId
      - selectedByUser
      - selectedByUserTimestamp
      - source
      - sourceId
      - sourceLabel
      - sourceMetadata
      - sourceUpstreamDeployable
      - sourceVid
      - timestamp
      - unit
      - updatedByUserId
      - useTimestampAsPersistenceTimestamp
      - value
      type: object
      properties:
        dataSensitivity:
          type: string
          description: Level of data sensitivity
          enum:
          - high
          - none
          - standard
        isEncrypted:
          type: boolean
          description: Indicates whether the property is encrypted
        isLargeValue:
          type: boolean
          description: Indicates whether the property value is stored as a large value in the storage
        maskedSubstrings:
          $ref: '#/components/schemas/MaskedSubstrings'
        name:
          type: string
          description: Name of custom property
        persistenceTimestamp:
          type: integer
          description: The timestamp that indicates when the value being written is persisted in storage
          format: int64
        requestId:
          type: string
          description: The ID of the request
        selectedByUser:
          type: boolean
          description: Indicates whether the property is selected
        selectedByUserTimestamp:
          type: integer
          description: Timestamp of when the property was selected by the user
          format: int64
        source:
          type: string
          description: Source of the property
          enum:
          - ACADEMY
          - ACCEPTANCE_TEST
          - ACTIVITY_AUTO_ASSOCIATE
          - ACTIVITY_LOG_REVERT
          - ADS
          - AI_GROUP
          - ANALYTICS
          - API
          - APPROVALS
          - ASSISTS
          - ASSOCIATIONS
          - AUTO_ASSOCIATE_BY_DOMAIN
          - AUTOMATION_JOURNEY
          - AUTOMATION_PLATFORM
          - AVATARS_SERVICE
          - BATCH_UPDATE
          - BCC_TO_CRM
          - BEHAVIORAL_EVENTS
          - BET_ASSIGNMENT
          - BET_CRM_CONNECTOR
          - BIDEN
          - BILLING
          - BOT
          - BREEZE_AGENT
          - CALCULATED
          - CENTRAL_EXCHANGE_RATES
          - CHATSPOT
          - CLONE_OBJECTS
          - COMMUNICATOR
          - COMPANIES
          - COMPANY_FAMILIES
          - COMPANY_INSIGHTS
          - CONNECTED_ACCOUNT
          - CONTACTS
          - CONTACTS_WEB
          - CONTENT_MEMBERSHIP
          - CONVERSATIONAL_ENRICHMENT
          - CONVERSATIONS
          - CRM_PROCESSES_PLATFORM
          - CRM_UI
          - CRM_UI_BULK_ACTION
          - CUSTOMER_AGENT
          - CUSTOMER_PORTAL
          - DATA_ENRICHMENT
          - DATA_QUALITY
          - DATASET
          - DEALS
          - DEFAULT
          - DELETE_OBJECTS
          - DI_WRITE_TO_CRM
          - EMAIL
          - EMAIL_INBOX_IMPORT
          - EMAIL_INTEGRATION
          - ENGAGEMENTS
          - EXTENSION
          - FILE_MANAGER
          - FLYWHEEL_PRODUCT_DATA_SYNC
          - FORECASTING
          - FORM
          - FORWARD_TO_CRM
          - GMAIL_INTEGRATION
          - GOALS
          - HEISENBERG
          - HELP_DESK
          - HELP_DESK_AI
          - IMPORT
          - INTEGRATION
          - INTEGRATIONS_PLATFORM
          - INTEGRATIONS_SYNC
          - INTENT
          - INTERNAL_PROCESSING
          - LEADIN
          - LEGAL_BASIS_REMEDIATION
          - MARKET_SOURCING
          - MARKETPLACE
          - MARKETS
          - MEETINGS
          - MERGE_COMPANIES
          - MERGE_CONTACTS
          - MERGE_OBJECTS
          - MERGE_REVERT_OBJECTS
          - MICROAPPS
          - MIGRATION
          - MOBILE_ANDROID
          - MOBILE_IOS
          - PAYMENTS
          - PIPELINE_SETTINGS
          - PLAYBOOKS
          - PORTAL_OBJECT_SYNC
          - PORTAL_USER_ASSOCIATOR
          - PRESENTATIONS
          - PRIMARY_AUTOMATION
          - PROPERTY_DEFAULT_VALUE
          - PROPERTY_RESTORE
          - PROPERTY_SETTINGS
          - PROSPECTING_AGENT
          - QUOTAS
          - QUOTES
          - RECYCLING_BIN
          - RESTORE_OBJECTS
          - REVENUE_PLATFORM
          - SALES
          - SALES_MESSAGES
          - SALESFORCE
          - SEQUENCES
          - SETTINGS
          - SIDEKICK
          - SIGNALS
          - SLACK_INTEGRATION
          - SMART_DATA_CAPTURE
          - SOCIAL
          - SUCCESS
          - TALLY
          - TASK
          - UNKNOWN
          - WAL_INCREMENTAL
          - WORK_UI
          - WORKFLOW_CONTACT_DELETE_ACTION
          - WORKFLOWS
        sourceId:
          type: string
          description: ID of the source of the property
        sourceLabel:
          type: string
          description: Label of the source of the property
        sourceMetadata:
          type: string
          description: Source metadata encoded as a base64 string
        sourceUpstreamDeployable:
          type: string
          description: Indicates which upstream service made the property change
        sourceVid:
          type: array
          description: The unique identifier associated with the source.
          items:
            type: integer
            format: int64
        timestamp:
          type: integer
          description: Timestamp of the request
          format: int64
        unit:
          type: string
          description: The unit
        updatedByUserId:
          type: integer
          description: The ID of the user who last updated the property
          format: int32
        useTimestampAsPersistenceTimestamp:
          type: boolean
          description: Indicates if the persistence timestamp is the same as storage version timestamp
        value:
          type: string
          description: Custom property value
      description: Represents a single custom property of a marketing event, storing its name, value, metadata (like source, timestamp, and sensitivity), and related audit information for tracking changes.
    Error:
      required:
      - category
      - correlationId
      - message
      type: object
      properties:
        category:
          type: string
          description: The error category
        context:
          type: object
          additionalProperties:
            type: array
            items:
              type: string
          description: Context about the error condition
          example: '{invalidPropertyName=[propertyValue], missingScopes=[scope1, scope2]}'
        correlationId:
          type: string
          description: A unique identifier for the request. Include this value with any error reports or support tickets
          format: uuid
          example: aeb5f871-7f07-4993-9211-075dc63e7cbf
        errors:
          type: array
          description: further information about the error
          items:
            $ref: '#/components/schemas/ErrorDetail'
        links:
          type: object
          additionalProperties:
            type: string
          description: A map of link names to associated URIs containing documentation about the error or recommended remediation steps
        message:
          type: string
          description: A human readable message describing the error along with remediation steps where appropriate
          example: An error occurred
        subCategory:
          type: string
          description: A specific category that contains more specific detail about the error
      description: Represents an error response returned by the API when an operation fails. This component is used in various endpoints to provide detailed information about the error encountered.
      example:
        message: Invalid input (details will vary based on the error)
        correlationId: aeb5f871-7f07-4993-9211-075dc63e7cbf
        category: VALIDATION_ERROR
        links:
          knowledge-base: https://www.hubspot.com/products/service/knowledge-base
  responses:
    Error:
      description: An error occurred.
      content:
        '*/*':
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    developer_hapikey:
      type: apiKey
      name: hapikey
      in: query
    oauth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://app.hubspot.com/oauth/authorize
          tokenUrl: https://api.hubapi.com/oauth/v1/token
          scopes:
            crm.objects.marketing_events.read: ''
            crm.objects.marketing_events.write: ''
            developers-read: ''
            developers-write: ''
    private_apps:
      type: apiKey
      name: private-app
      in: header
    private_apps_legacy:
      type: apiKey
      name: private-app-legacy
      in: header
x-hubspot-available-client-libraries:
- Node
- Python
- Ruby
- PHP
x-hubspot-product-tier-requirements:
  marketing: FREE
  sales: FREE
  service: FREE
  cms: FREE
  commerce: FREE
  crmHub: FREE
  dataHub: FREE