> ## Documentation Index
> Fetch the complete documentation index at: https://developers.hubspot.fr/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Retrieve event occurrences

export const ScopesList = ({scopes = [], description = "Cette API requiert l'une des portées suivantes :"}) => {
  if (!scopes || scopes.length === 0) {
    return null;
  }
  const sortedScopes = scopes.sort((a, b) => a.localeCompare(b));
  return <div>
      <div className="text-sm mb-2">{description}</div>
      <div>
        {sortedScopes.map((scope, index) => <div key={index}>
            <code>
              <span className="text-xs">{scope}</span>
            </code>
          </div>)}
      </div>
    </div>;
};

export const SupportedProducts = ({marketing, sales, service, cms, marketingLevel, salesLevel, serviceLevel, cmsLevel}) => {
  const translations = {
    header: "Produits pris en charge",
    description: "Exige l'un des produits suivants ou un produit supérieur.",
    productNames: {
      marketing: "Marketing Hub",
      sales: "Sales Hub",
      service: "Service Hub",
      cms: "Content Hub"
    },
    tiers: {
      free: "Gratuit",
      starter: "Starter",
      professional: "Pro",
      enterprise: "Entreprise"
    }
  };
  const translateTier = tier => {
    if (!tier) return '';
    const lowerTier = tier.toLowerCase();
    return translations.tiers[lowerTier] || tier;
  };
  const products = [{
    name: marketing ? translations.productNames.marketing : '',
    level: translateTier(marketingLevel),
    icon: "https://mintlify-assets.b-cdn.net/Icons/marketing-bolt.svg",
    alt: "Marketing Hub"
  }, {
    name: sales ? translations.productNames.sales : '',
    level: translateTier(salesLevel),
    icon: "https://mintlify-assets.b-cdn.net/Icons/sales-star.svg",
    alt: "Sales Hub"
  }, {
    name: service ? translations.productNames.service : '',
    level: translateTier(serviceLevel),
    icon: "https://mintlify-assets.b-cdn.net/Icons/service-heart.svg",
    alt: "Service Hub"
  }, {
    name: cms ? translations.productNames.cms : '',
    level: translateTier(cmsLevel),
    icon: "https://mintlify-assets.b-cdn.net/Icons/content-play.svg",
    alt: "Content Hub"
  }].filter(product => product.name && product.level);
  if (products.length === 0) return null;
  return <div>
      <div className="text-sm mb-2">{translations.description}</div>
      <div className={`grid ${products.length === 1 ? 'grid-cols-1' : 'grid-cols-2'} gap-1.5`}>
        {products.map((product, index) => <div key={index} style={{
    display: 'flex',
    alignItems: 'center'
  }}>
            <img src={product.icon} alt={product.alt} className="w-3.5 h-3.5 mr-1.5 mt-2.5 mb-2.5 flex-shrink-0 align-middle" />
            <span className="font-medium mr-1 text-sm">{product.name} -</span>
            <span className="text-sm">{product.level}</span>
          </div>)}
      </div>
    </div>;
};

<AccordionGroup>
  <Accordion title="Supported products" defaultOpen="true" icon="cubes">
    <SupportedProducts marketing={true} sales={true} service={true} cms={true} marketingLevel="ENTERPRISE" salesLevel="ENTERPRISE" serviceLevel="ENTERPRISE" cmsLevel="ENTERPRISE" />
  </Accordion>

  <Accordion title="Required Scopes" icon="key">
    <ScopesList
      scopes={[
  'oauth'
]}
    />
  </Accordion>
</AccordionGroup>


## OpenAPI

````yaml specs/2026-03/events-events-v2026-03.json GET /events/event-occurrences/2026-03
openapi: 3.0.1
info:
  title: Events Events
  description: Basepom for all HubSpot Projects
  version: 2026-03
  x-hubspot-product-tier-requirements:
    marketing: ENTERPRISE
    sales: ENTERPRISE
    service: ENTERPRISE
    cms: ENTERPRISE
    commerce: ENTERPRISE
    crmHub: ENTERPRISE
    dataHub: ENTERPRISE
servers:
  - url: https://api.hubapi.com
security: []
tags:
  - name: Basic
paths:
  /events/event-occurrences/2026-03:
    get:
      tags:
        - Basic
      operationId: get-/events/event-occurrences/2026-03_/events/event-occurrences/2026-03
      parameters:
        - name: after
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: string
        - name: before
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: string
        - name: eventType
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: string
        - name: id
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: array
            items:
              type: string
        - name: limit
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: integer
            format: int32
        - name: objectId
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: integer
            format: int64
        - name: objectProperty.{propname}
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: object
        - name: objectType
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: string
        - name: occurredAfter
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: string
            format: date-time
        - name: occurredBefore
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: string
            format: date-time
        - name: properties
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: array
            items:
              type: string
        - name: property.{propname}
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: object
        - name: sort
          in: query
          required: false
          style: form
          explode: true
          schema:
            type: array
            items:
              type: string
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CollectionResponseExternalUnifiedEvent'
        default:
          $ref: '#/components/responses/Error'
          description: ''
      security:
        - oauth2:
            - oauth
components:
  schemas:
    CollectionResponseExternalUnifiedEvent:
      required:
        - results
      type: object
      properties:
        paging:
          $ref: '#/components/schemas/Paging'
        results:
          type: array
          description: >-
            An array of ExternalUnifiedEvent objects, each representing an
            individual event with its associated details.
          items:
            $ref: '#/components/schemas/ExternalUnifiedEvent'
    Paging:
      type: object
      properties:
        next:
          $ref: '#/components/schemas/NextPage'
        prev:
          $ref: '#/components/schemas/PreviousPage'
    ExternalUnifiedEvent:
      required:
        - eventType
        - id
        - objectId
        - objectType
        - occurredAt
        - properties
      type: object
      properties:
        eventType:
          type: string
          description: >-
            The format of the `eventType` string is
            `ae{appId}_{eventTypeLabel}`, `pe{portalId}_{eventTypeLabel}`, or
            just `e_{eventTypeLabel}` for HubSpot events.
        id:
          type: string
          description: A unique identifier for the event.
        objectId:
          type: string
          description: The objectId of the object which did the event.
        objectType:
          type: string
          description: The objectType for the object which did the event.
        occurredAt:
          type: string
          description: An ISO 8601 timestamp when the event occurred.
          format: date-time
        properties:
          type: object
          additionalProperties:
            type: string
          description: >-
            A key-value map of event-specific properties. The available
            properties depend on the event type definition.
    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
      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
    NextPage:
      required:
        - after
      type: object
      properties:
        after:
          type: string
          description: >-
            The cursor token to pass as the after query parameter to retrieve
            the next page of results.
        link:
          type: string
          description: >-
            The full URL of the next page of results, with the after cursor
            token included as a query parameter.
      description: >-
        Specifies the paging information needed to retrieve the next set of
        results in a paginated API response
    PreviousPage:
      required:
        - before
      type: object
      properties:
        before:
          type: string
          description: >-
            The cursor token to pass as the before query parameter to retrieve
            the previous page of results.
        link:
          type: string
          description: >-
            The full URL of the previous page of results, with the before cursor
            token included as a query parameter.
      description: >-
        specifies the paging information needed to retrieve the previous set of
        results in a paginated API response
    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
  responses:
    Error:
      description: An error occurred.
      content:
        '*/*':
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    oauth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://app.hubspot.com/oauth/authorize
          tokenUrl: https://api.hubapi.com/oauth/v1/token
          scopes:
            oauth: ''

````