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

# Configure association limits

> Batch configure association limits between two object types.

export const ScopesList = ({scopes = [], description = "This API requires one of the following scopes:"}) => {
  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, data, commerce, crm, marketingLevel, salesLevel, serviceLevel, cmsLevel, dataLevel, commerceLevel, crmLevel}) => {
  const translations = {
    description: "Requires one of the following products or higher.",
    productNames: {
      marketing: "Marketing Hub",
      sales: "Sales Hub",
      service: "Service Hub",
      cms: "Content Hub",
      data: "Data Hub",
      commerce: "Revenue Hub",
      crm: "Smart CRM"
    },
    tiers: {
      free: "Free",
      starter: "Starter",
      professional: "Professional",
      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://www.hubspot.com/hubfs/Knowledge_Base_2023-24-25/developer/icons/MarketingHub.svg",
    alt: "Marketing Hub"
  }, {
    name: sales ? translations.productNames.sales : '',
    level: translateTier(salesLevel),
    icon: "https://www.hubspot.com/hubfs/Knowledge_Base_2023-24-25/developer/icons/SalesHub.svg",
    alt: "Sales Hub"
  }, {
    name: service ? translations.productNames.service : '',
    level: translateTier(serviceLevel),
    icon: "https://www.hubspot.com/hubfs/Knowledge_Base_2023-24-25/developer/icons/ServiceHub.svg",
    alt: "Service Hub"
  }, {
    name: cms ? translations.productNames.cms : '',
    level: translateTier(cmsLevel),
    icon: "https://www.hubspot.com/hubfs/Knowledge_Base_2023-24-25/developer/icons/ContentHub.svg",
    alt: "Content Hub"
  }, {
    name: data ? translations.productNames.data : '',
    level: translateTier(dataLevel),
    icon: "https://www.hubspot.com/hubfs/Knowledge_Base_2023-24-25/developer/icons/DataHub.svg",
    alt: "Data Hub"
  }, {
    name: commerce ? translations.productNames.commerce : '',
    level: translateTier(commerceLevel),
    icon: "https://www.hubspot.com/hubfs/Knowledge_Base/subscription_key_icons/commerce_icon.svg",
    alt: "Revenue Hub"
  }, {
    name: crm ? translations.productNames.crm : '',
    level: translateTier(crmLevel),
    icon: "https://www.hubspot.com/hubfs/Knowledge_Base_2023-24-25/developer/icons/SmartCRM.svg",
    alt: "Smart CRM"
  }].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="FREE" salesLevel="FREE" serviceLevel="FREE" cmsLevel="FREE" />
  </Accordion>

  <Accordion title="Required Scopes" icon="key">
    <ScopesList
      scopes={[
  'crm.objects.deals.read',
  'crm.objects.subscriptions.read',
  'crm.objects.services.read',
  'crm.objects.tickets.sensitive.read',
  'crm.objects.orders.read',
  'crm.objects.listings.write',
  'crm.objects.custom.read',
  'crm.objects.companies.write',
  'crm.objects.tasks.read',
  'crm.objects.custom.sensitive.write.v2',
  'crm.objects.custom.highly_sensitive.write.v2',
  'crm.objects.companies.read',
  'crm.objects.contacts.highly_sensitive.read.v2',
  'crm.objects.appointments.sensitive.read.v2',
  'crm.objects.tickets.highly_sensitive.read',
  'crm.objects.companies.sensitive.read.v2',
  'crm.objects.tickets.sensitive.write',
  'media_bridge.read',
  'crm.objects.deals.highly_sensitive.read.v2',
  'crm.objects.contacts.highly_sensitive.write.v2',
  'crm.objects.companies.highly_sensitive.read.v2',
  'crm.objects.commercepayments.write',
  'crm.objects.invoices.write',
  'crm.objects.contacts.sensitive.write.v2',
  'crm.objects.users.write',
  'crm.objects.calls.read',
  'crm.objects.meetings.read',
  'crm.objects.custom.sensitive.read.v2',
  'crm.objects.users.read',
  'crm.objects.partner-services.read',
  'crm.objects.orders.write',
  'crm.objects.partner-services.write',
  'crm.objects.appointments.write',
  'crm.objects.projects.highly_sensitive.write',
  'crm.objects.carts.write',
  'crm.objects.tickets.highly_sensitive.write',
  'crm.objects.commercepayments.read',
  'crm.objects.products.write',
  'crm.objects.services.write',
  'crm.objects.subscriptions.write',
  'crm.objects.deals.sensitive.write.v2',
  'crm.objects.contacts.read',
  'crm.objects.appointments.sensitive.write.v2',
  'crm.objects.invoices.read',
  'crm.objects.projects.highly_sensitive.read',
  'tickets.sensitive.v2',
  'crm.objects.custom.write',
  'crm.objects.deals.write',
  'e-commerce',
  'crm.objects.appointments.read',
  'crm.objects.companies.sensitive.write.v2',
  'crm.objects.projects.read',
  'crm.objects.deals.highly_sensitive.write.v2',
  'crm.objects.custom.highly_sensitive.read.v2',
  'crm.objects.companies.highly_sensitive.write.v2',
  'crm.objects.goals.write',
  'crm.objects.line_items.write',
  'crm.objects.projects.sensitive.read',
  'crm.objects.contacts.write',
  'crm.objects.goals.read',
  'crm.objects.line_items.read',
  'crm.objects.partner-clients.write',
  'crm.objects.projects.write',
  'crm.objects.deals.sensitive.read.v2',
  'crm.objects.projects.sensitive.write',
  'crm.objects.quotes.write',
  'tickets.highly_sensitive.v2',
  'crm.objects.leads.read',
  'crm.objects.leads.write',
  'crm.objects.carts.read',
  'crm.objects.emails.read',
  'crm.objects.quotes.read',
  'crm.objects.courses.write',
  'crm.objects.partner-clients.read',
  'crm.objects.notes.read',
  'crm.objects.courses.read',
  'crm.objects.listings.read',
  'crm.objects.contacts.sensitive.read.v2',
  'crm.objects.products.read'
]}
    />
  </Accordion>
</AccordionGroup>


## OpenAPI

````yaml specs/2026-09/crm-associations-schema-v2026-09.json POST /crm/associations/2026-09/definitions/configurations/{fromObjectType}/{toObjectType}/batch/create
openapi: 3.0.1
info:
  title: CRM Associations Schema
  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
security: []
tags:
  - name: Labels
  - name: Limits
paths:
  /crm/associations/2026-09/definitions/configurations/{fromObjectType}/{toObjectType}/batch/create:
    post:
      tags:
        - Limits
      summary: Configure association limits
      description: Batch configure association limits between two object types.
      operationId: >-
        post-/crm/associations/2026-09/definitions/configurations/{fromObjectType}/{toObjectType}/batch/create_batchCreate
      parameters:
        - name: fromObjectType
          in: path
          description: ''
          required: true
          style: simple
          explode: false
          schema:
            type: string
        - name: toObjectType
          in: path
          description: ''
          required: true
          style: simple
          explode: false
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: >-
                #/components/schemas/BatchInputPublicAssociationDefinitionConfigurationCreateRequest
        required: true
      responses:
        '201':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/BatchResponsePublicAssociationDefinitionUserConfiguration
        '207':
          description: multiple statuses
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/BatchResponsePublicAssociationDefinitionUserConfigurationWithErrors
        default:
          $ref: '#/components/responses/Error'
          description: ''
      security:
        - oauth2:
            - crm.objects.deals.read
        - oauth2:
            - crm.objects.subscriptions.read
        - oauth2:
            - crm.objects.services.read
        - oauth2:
            - crm.objects.tickets.sensitive.read
        - oauth2:
            - crm.objects.orders.read
        - oauth2:
            - crm.objects.listings.write
        - oauth2:
            - crm.objects.custom.read
        - oauth2:
            - crm.objects.companies.write
        - oauth2:
            - crm.objects.tasks.read
        - oauth2:
            - crm.objects.custom.sensitive.write.v2
        - oauth2:
            - crm.objects.custom.highly_sensitive.write.v2
        - oauth2:
            - crm.objects.companies.read
        - oauth2:
            - crm.objects.contacts.highly_sensitive.read.v2
        - oauth2:
            - crm.objects.appointments.sensitive.read.v2
        - oauth2:
            - crm.objects.tickets.highly_sensitive.read
        - oauth2:
            - crm.objects.companies.sensitive.read.v2
        - oauth2:
            - crm.objects.tickets.sensitive.write
        - oauth2:
            - media_bridge.read
        - oauth2:
            - crm.objects.deals.highly_sensitive.read.v2
        - oauth2:
            - crm.objects.contacts.highly_sensitive.write.v2
        - oauth2:
            - crm.objects.companies.highly_sensitive.read.v2
        - oauth2:
            - crm.objects.commercepayments.write
        - oauth2:
            - crm.objects.invoices.write
        - oauth2:
            - crm.objects.contacts.sensitive.write.v2
        - oauth2:
            - crm.objects.users.write
        - oauth2:
            - crm.objects.calls.read
        - oauth2:
            - crm.objects.meetings.read
        - oauth2:
            - crm.objects.custom.sensitive.read.v2
        - oauth2:
            - crm.objects.users.read
        - oauth2:
            - crm.objects.partner-services.read
        - oauth2:
            - crm.objects.orders.write
        - oauth2:
            - crm.objects.partner-services.write
        - oauth2:
            - crm.objects.appointments.write
        - oauth2:
            - crm.objects.projects.highly_sensitive.write
        - oauth2:
            - crm.objects.carts.write
        - oauth2:
            - crm.objects.tickets.highly_sensitive.write
        - oauth2:
            - crm.objects.commercepayments.read
        - oauth2:
            - crm.objects.products.write
        - oauth2:
            - crm.objects.services.write
        - oauth2:
            - crm.objects.subscriptions.write
        - oauth2:
            - crm.objects.deals.sensitive.write.v2
        - oauth2:
            - crm.objects.contacts.read
        - oauth2:
            - crm.objects.appointments.sensitive.write.v2
        - oauth2:
            - crm.objects.invoices.read
        - oauth2:
            - crm.objects.projects.highly_sensitive.read
        - oauth2:
            - tickets.sensitive.v2
        - oauth2:
            - crm.objects.custom.write
        - oauth2:
            - crm.objects.deals.write
        - oauth2:
            - e-commerce
        - oauth2:
            - crm.objects.appointments.read
        - oauth2:
            - crm.objects.companies.sensitive.write.v2
        - oauth2:
            - crm.objects.projects.read
        - oauth2:
            - crm.objects.deals.highly_sensitive.write.v2
        - oauth2:
            - crm.objects.custom.highly_sensitive.read.v2
        - oauth2:
            - crm.objects.companies.highly_sensitive.write.v2
        - oauth2:
            - crm.objects.goals.write
        - oauth2:
            - crm.objects.line_items.write
        - oauth2:
            - crm.objects.projects.sensitive.read
        - oauth2:
            - crm.objects.contacts.write
        - oauth2:
            - crm.objects.goals.read
        - oauth2:
            - crm.objects.line_items.read
        - oauth2:
            - crm.objects.partner-clients.write
        - oauth2:
            - crm.objects.projects.write
        - oauth2:
            - crm.objects.deals.sensitive.read.v2
        - oauth2:
            - crm.objects.projects.sensitive.write
        - oauth2:
            - crm.objects.quotes.write
        - oauth2:
            - tickets.highly_sensitive.v2
        - oauth2:
            - crm.objects.leads.read
        - oauth2:
            - crm.objects.leads.write
        - oauth2:
            - crm.objects.carts.read
        - oauth2:
            - crm.objects.emails.read
        - oauth2:
            - crm.objects.quotes.read
        - oauth2:
            - crm.objects.courses.write
        - oauth2:
            - crm.objects.partner-clients.read
        - oauth2:
            - crm.objects.notes.read
        - oauth2:
            - crm.objects.courses.read
        - oauth2:
            - crm.objects.listings.read
        - oauth2:
            - crm.objects.contacts.sensitive.read.v2
        - oauth2:
            - crm.objects.products.read
components:
  schemas:
    BatchInputPublicAssociationDefinitionConfigurationCreateRequest:
      required:
        - inputs
      type: object
      properties:
        inputs:
          type: array
          items:
            $ref: >-
              #/components/schemas/PublicAssociationDefinitionConfigurationCreateRequest
    BatchResponsePublicAssociationDefinitionUserConfiguration:
      required:
        - completedAt
        - results
        - startedAt
        - status
      type: object
      properties:
        completedAt:
          type: string
          description: The date and time when the batch operation was completed.
          format: date-time
        links:
          type: object
          additionalProperties:
            type: string
          description: >-
            A collection of URLs linking to related documentation or resources
            associated with the batch operation.
        requestedAt:
          type: string
          description: The date and time when the batch operation was requested.
          format: date-time
        results:
          type: array
          items:
            $ref: '#/components/schemas/PublicAssociationDefinitionUserConfiguration'
        startedAt:
          type: string
          description: The date and time when the batch operation started.
          format: date-time
        status:
          type: string
          description: >-
            The current status of the batch operation, which can be CANCELED,
            COMPLETE, PENDING, or PROCESSING.
          enum:
            - CANCELED
            - COMPLETE
            - PENDING
            - PROCESSING
    BatchResponsePublicAssociationDefinitionUserConfigurationWithErrors:
      required:
        - completedAt
        - results
        - startedAt
        - status
      type: object
      properties:
        completedAt:
          type: string
          format: date-time
        errors:
          type: array
          items:
            $ref: '#/components/schemas/StandardError'
        links:
          type: object
          additionalProperties:
            type: string
        numErrors:
          type: integer
          format: int32
        requestedAt:
          type: string
          format: date-time
        results:
          type: array
          items:
            $ref: '#/components/schemas/PublicAssociationDefinitionUserConfiguration'
        startedAt:
          type: string
          format: date-time
        status:
          type: string
          enum:
            - CANCELED
            - COMPLETE
            - PENDING
            - PROCESSING
    PublicAssociationDefinitionConfigurationCreateRequest:
      required:
        - category
        - maxToObjectIds
        - typeId
      type: object
      properties:
        category:
          type: string
          description: >-
            Specifies the category of the association, which can be
            HUBSPOT_DEFINED, INTEGRATOR_DEFINED, or USER_DEFINED.
          enum:
            - HUBSPOT_DEFINED
            - INTEGRATOR_DEFINED
            - USER_DEFINED
            - WORK
        maxToObjectIds:
          type: integer
          description: >-
            The maximum number of target object IDs that can be associated with
            a single source object.
          format: int32
        typeId:
          type: integer
          description: >-
            An integer used to uniquely identify a specific association type
            within its category.
          format: int32
    PublicAssociationDefinitionUserConfiguration:
      required:
        - category
        - typeId
      type: object
      properties:
        category:
          type: string
          description: >-
            The category of the association, which can be HUBSPOT_DEFINED,
            INTEGRATOR_DEFINED, or USER_DEFINED.
          enum:
            - HUBSPOT_DEFINED
            - INTEGRATOR_DEFINED
            - USER_DEFINED
            - WORK
        label:
          type: string
          description: >-
            A descriptor providing context about the relationship between
            associated records.
        typeId:
          type: integer
          description: >-
            A unique integer identifier for the association type within its
            category.
          format: int32
        userEnforcedMaxToObjectIds:
          type: integer
          description: >-
            The maximum number of target object IDs that a user can enforce in
            an association.
          format: int32
    StandardError:
      required:
        - category
        - context
        - errors
        - links
        - message
        - status
      type: object
      properties:
        category:
          type: string
          description: The main category of the error.
        context:
          type: object
          additionalProperties:
            type: array
            items:
              type: string
          description: Additional context-specific information related to the error.
        errors:
          type: array
          description: The detailed error objects.
          items:
            $ref: '#/components/schemas/ErrorDetail'
        id:
          type: string
          description: A unique ID for the error instance.
        links:
          type: object
          additionalProperties:
            type: string
          description: >-
            URLs linking to documentation or resources associated with the
            error.
        message:
          type: string
          description: >-
            A human-readable string describing the error and possible
            remediation steps.
        status:
          type: string
          description: The HTTP status code associated with the error.
        subCategory:
          type: object
          properties: {}
          description: A more specific error category within each main category.
      description: >-
        Represents a standard error response in the HubSpot API, providing
        detailed information about an error that occurred during an API request.
    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
    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.
  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:
            crm.objects.appointments.read: ''
            crm.objects.appointments.sensitive.read.v2: ''
            crm.objects.appointments.sensitive.write.v2: ''
            crm.objects.appointments.write: ''
            crm.objects.calls.read: ''
            crm.objects.carts.read: ''
            crm.objects.carts.write: ''
            crm.objects.commercepayments.read: ''
            crm.objects.commercepayments.write: ''
            crm.objects.companies.highly_sensitive.read.v2: ''
            crm.objects.companies.highly_sensitive.write.v2: ''
            crm.objects.companies.read: ''
            crm.objects.companies.sensitive.read.v2: ''
            crm.objects.companies.sensitive.write.v2: ''
            crm.objects.companies.write: ''
            crm.objects.contacts.highly_sensitive.read.v2: ''
            crm.objects.contacts.highly_sensitive.write.v2: ''
            crm.objects.contacts.read: ''
            crm.objects.contacts.sensitive.read.v2: ''
            crm.objects.contacts.sensitive.write.v2: ''
            crm.objects.contacts.write: ''
            crm.objects.courses.read: ''
            crm.objects.courses.write: ''
            crm.objects.custom.highly_sensitive.read.v2: ''
            crm.objects.custom.highly_sensitive.write.v2: ''
            crm.objects.custom.read: ''
            crm.objects.custom.sensitive.read.v2: ''
            crm.objects.custom.sensitive.write.v2: ''
            crm.objects.custom.write: ''
            crm.objects.deals.highly_sensitive.read.v2: ''
            crm.objects.deals.highly_sensitive.write.v2: ''
            crm.objects.deals.read: ''
            crm.objects.deals.sensitive.read.v2: ''
            crm.objects.deals.sensitive.write.v2: ''
            crm.objects.deals.write: ''
            crm.objects.emails.read: ''
            crm.objects.goals.read: ''
            crm.objects.goals.write: ''
            crm.objects.invoices.read: ''
            crm.objects.invoices.write: ''
            crm.objects.leads.read: ''
            crm.objects.leads.write: ''
            crm.objects.line_items.read: ''
            crm.objects.line_items.write: ''
            crm.objects.listings.read: ''
            crm.objects.listings.write: ''
            crm.objects.meetings.read: ''
            crm.objects.notes.read: ''
            crm.objects.orders.read: ''
            crm.objects.orders.write: ''
            crm.objects.partner-clients.read: ''
            crm.objects.partner-clients.write: ''
            crm.objects.partner-services.read: ''
            crm.objects.partner-services.write: ''
            crm.objects.products.read: ''
            crm.objects.products.write: ''
            crm.objects.projects.highly_sensitive.read: ''
            crm.objects.projects.highly_sensitive.write: ''
            crm.objects.projects.read: ''
            crm.objects.projects.sensitive.read: ''
            crm.objects.projects.sensitive.write: ''
            crm.objects.projects.write: ''
            crm.objects.quotes.read: ''
            crm.objects.quotes.write: ''
            crm.objects.services.read: ''
            crm.objects.services.write: ''
            crm.objects.subscriptions.read: ''
            crm.objects.subscriptions.write: ''
            crm.objects.tasks.read: ''
            crm.objects.tickets.highly_sensitive.read: ''
            crm.objects.tickets.highly_sensitive.write: ''
            crm.objects.tickets.sensitive.read: ''
            crm.objects.tickets.sensitive.write: ''
            crm.objects.users.read: ''
            crm.objects.users.write: ''
            e-commerce: ''
            media_bridge.read: ''
            tickets.highly_sensitive.v2: ''
            tickets.sensitive.v2: ''

````