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

# Send a batch of event occurrences

> Send multiple event occurrences at once.

export const ScopesList = ({scopes = [], description = "Esta API requiere uno de los siguientes ámbitos:"}) => {
  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: "Productos compatibles",
    description: "Se requiere uno de los siguientes productos o productos de ediciones superiores.",
    productNames: {
      marketing: "Marketing Hub",
      sales: "Sales Hub",
      service: "Service Hub",
      cms: "Content Hub"
    },
    tiers: {
      free: "Gratuito",
      starter: "Starter",
      professional: "Pro",
      enterprise: "Enterprise"
    }
  };
  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={[
  'analytics.behavioral_events.send'
]}
    />
  </Accordion>
</AccordionGroup>


## OpenAPI

````yaml specs/2026-03/events-send-event-completions-v2026-03.json POST /events/2026-03/send/batch
openapi: 3.0.1
info:
  title: Events Send Event Completions
  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
  - name: Batch
paths:
  /events/2026-03/send/batch:
    post:
      tags:
        - Batch
      summary: Send a batch of event occurrences
      description: Send multiple event occurrences at once.
      operationId: post-/events/2026-03/send/batch_send
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BatchedBehavioralEventHttpCompletionRequest'
        required: true
      responses:
        '204':
          description: No content
          content: {}
        default:
          $ref: '#/components/responses/Error'
          description: ''
      security:
        - oauth2:
            - analytics.behavioral_events.send
components:
  schemas:
    BatchedBehavioralEventHttpCompletionRequest:
      required:
        - inputs
      type: object
      properties:
        inputs:
          type: array
          items:
            $ref: '#/components/schemas/BehavioralEventHttpCompletionRequest'
    BehavioralEventHttpCompletionRequest:
      required:
        - eventName
        - properties
      type: object
      properties:
        email:
          type: string
          description: >-
            The visitor's email address. Used for associating the event data
            with a CRM record.
        eventName:
          type: string
          description: >-
            The event's fully qualified name. This value (formatted as
            `pe{HubID}_{name}`) can be retrieved through the [event definitions
            API](https://developers.hubspot.com/docs/reference/api/analytics-and-events/custom-events/custom-event-definitions#get-%2Fevents%2Fv3%2Fevent-definitions)
            or in [HubSpot's
            UI](https://knowledge.hubspot.com/reports/create-custom-behavioral-events-with-the-code-wizard#find-internal-name).
        objectId:
          type: string
          description: >-
            The ID of the record for which the event occurred (e.g., contact ID
            or visitor ID).
        occurredAt:
          type: string
          description: >-
            The time when this event occurred. If this isn't set, the current
            time will be used.
          format: date-time
        properties:
          type: object
          additionalProperties:
            type: string
          description: >-
            The event properties to update. Takes the format of key-value pairs
            (property internal name and property value). Learn more about
            [HubSpot's default event
            properties](https://developers.hubspot.com/docs/guides/api/analytics-and-events/custom-events/custom-event-definitions#hubspot-s-default-event-properties).
        utk:
          type: string
          description: >-
            The visitor's usertoken. Used for associating the event data with a
            CRM record.
        uuid:
          type: string
          description: >-
            Include a universally unique identifier to assign a unique ID to the
            event occurrence. Can be useful for matching data between HubSpot
            and other external systems.
    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
    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:
            analytics.behavioral_events.send: ''
            behavioral_events.event_definitions.read_write: ''

````