> ## 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.

---
id: e6ea8ad4-31f3-45a6-a863-b81076cb76ce
---

# Create new calling extension settings for a specific app.

> Create new settings for the calling extension associated with the specified appId.

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>;
};

<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>


## OpenAPI

````yaml specs/2026-03/crm-calling-extensions-v2026-03.json POST /crm/extensions/calling/2026-03/{appId}/settings
openapi: 3.0.1
info:
  title: CRM Calling Extensions
  description: Basepom for all HubSpot Projects
  version: 2026-03
  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: Advanced
  - name: Basic
paths:
  /crm/extensions/calling/2026-03/{appId}/settings:
    post:
      tags:
        - Basic
      summary: Create new calling extension settings for a specific app.
      description: >-
        Create new settings for the calling extension associated with the
        specified appId.
      operationId: post-/crm/extensions/calling/2026-03/{appId}/settings_create
      parameters:
        - name: appId
          in: path
          description: >-
            The unique identifier for the app for which new calling extension
            settings are being created.
          required: true
          style: simple
          explode: false
          schema:
            type: integer
            format: int32
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SettingsRequest'
        required: true
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SettingsResponse'
        default:
          $ref: '#/components/responses/Error'
          description: ''
      security:
        - oauth2:
            - developers-write
components:
  schemas:
    SettingsRequest:
      required:
        - height
        - isReady
        - name
        - supportsCustomObjects
        - supportsInboundCalling
        - url
        - usesCallingWindow
        - usesRemote
        - width
      type: object
      properties:
        height:
          type: integer
          description: Specifies the height of the calling extension interface.
          format: int32
        isReady:
          type: boolean
          description: Indicates if the calling extension is ready for use.
        name:
          type: string
          description: The name of the calling extension.
        supportsCustomObjects:
          type: boolean
          description: Indicates if the calling extension supports custom objects.
        supportsInboundCalling:
          type: boolean
          description: Indicates if the calling extension supports inbound calling.
        url:
          type: string
          description: The URL associated with the calling extension.
        usesCallingWindow:
          type: boolean
          description: Indicates if the calling extension uses a separate calling window.
        usesRemote:
          type: boolean
          description: Indicates if the calling extension uses remote services.
        width:
          type: integer
          description: Specifies the width of the calling extension interface.
          format: int32
    SettingsResponse:
      required:
        - createdAt
        - height
        - isReady
        - name
        - supportsCustomObjects
        - supportsInboundCalling
        - updatedAt
        - url
        - usesCallingWindow
        - usesRemote
        - width
      type: object
      properties:
        createdAt:
          type: string
          description: The date and time when the calling extension settings were created.
          format: date-time
        height:
          type: integer
          description: The height of the calling extension interface.
          format: int32
        isReady:
          type: boolean
          description: Specifies whether the calling extension settings are ready for use.
        name:
          type: string
          description: The name of the calling extension.
        supportsCustomObjects:
          type: boolean
          description: Indicates if the calling extension supports custom objects.
        supportsInboundCalling:
          type: boolean
          description: Indicates if the calling extension supports inbound calling.
        updatedAt:
          type: string
          description: >-
            The date and time when the calling extension settings were last
            updated.
          format: date-time
        url:
          type: string
          description: The URL associated with the calling extension.
        usesCallingWindow:
          type: boolean
          description: Specifies if the calling extension uses a dedicated calling window.
        usesRemote:
          type: boolean
          description: Indicates if the calling extension uses a remote service.
        width:
          type: integer
          description: The width of the calling extension interface.
          format: int32
    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.extensions_calling_transcripts.read: ''
            crm.extensions_calling_transcripts.write: ''
            crm.objects.contacts.highly_sensitive.read.v2: ''
            crm.objects.contacts.highly_sensitive.write.v2: ''
            crm.objects.contacts.sensitive.write.v2: ''
            crm.objects.contacts.write: ''
            crm.schemas.contacts.write: ''
            developers-read: ''
            developers-write: ''

````