Advanced

Merge two CRM objects of the same type in your HubSpot account. This operation combines the properties and associations of the specified objects, resulting in a single object. Use this endpoint to consolidate duplicate records or unify data.

post/crm/objects/2026-09/postal_mail/merge

Request

  • Base URL
    https://api.hubapi.com
  • URL
    https://api.hubapi.com/crm/objects/2026-09/postal_mail/merge
  • Auth
    • OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.tickets.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.tickets.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.deals.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.services.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.subscriptions.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.tickets.sensitive.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.orders.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.listings.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.custom.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.companies.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.custom.sensitive.write.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.tasks.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.custom.highly_sensitive.write.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.companies.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.appointments.sensitive.read.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.contacts.highly_sensitive.read.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.forecasts.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.tickets.highly_sensitive.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.companies.sensitive.read.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.tickets.sensitive.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: media_bridge.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.deals.highly_sensitive.read.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.contacts.highly_sensitive.write.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.contracts.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.companies.highly_sensitive.read.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.commercepayments.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.invoices.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.contacts.sensitive.write.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.calls.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.users.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.custom.sensitive.read.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.meetings.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.users.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.orders.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.partner-services.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.partner-services.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.appointments.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.projects.highly_sensitive.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.carts.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.tickets.highly_sensitive.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.tasks.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.commercepayments.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: revenue.contracts.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.feedback_submissions.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.products.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.services.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.emails.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.subscriptions.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.deals.sensitive.write.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.contacts.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.appointments.sensitive.write.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: cpq.price_books.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.meetings.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.invoices.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.projects.highly_sensitive.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.custom.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.notes.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: tickets.sensitive.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.deals.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: e-commerce
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.appointments.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.companies.sensitive.write.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.projects.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.companies.highly_sensitive.write.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.custom.highly_sensitive.read.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.deals.highly_sensitive.write.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.calls.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.goals.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.line_items.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.projects.sensitive.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.contacts.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.goals.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.line_items.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.partner-clients.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.projects.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.deals.sensitive.read.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.projects.sensitive.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.quotes.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: tickets.highly_sensitive.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.leads.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.leads.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.carts.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.emails.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.courses.write
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.quotes.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.partner-clients.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.courses.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.notes.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.listings.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.contacts.sensitive.read.v2
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: crm.objects.products.read
    • or OAuth 2
      Authorization code: https://app.hubspot.com/oauth/authorize
      Token URL: https://api.hubapi.com/oauth/v1/token scopes: oauth

Request body

objectIdToMergestring required

The ID of the object that will be merged into the primary object.

primaryObjectIdstring required

The ID of the object that will remain after the merge.

Response

successful operation

archivedboolean required

A boolean indicating whether the object is archived.

archivedAtstring date-time

The date and time when this object was archived, in ISO 8601 format.

createdAtstring date-time required

The date and time when this object was created, in ISO 8601 format.

idstring required

The unique identifier for this object, represented as a string.

objectWriteTraceIdstring

An identifier used to trace the creation or update request of the CRM object.

propertiesobject required

A map of property names to their values, where each value is a string.

propertiesWithHistoryobject

A map of property names to arrays of their historical values, each entry containing a value and its timestamp.

updatedAtstring date-time required

The date and time when this object was last updated, in ISO 8601 format.

urlstring

A string representing the URL of the object.

Changes

  • 2026-095cf8d23bfe83Revision changes
    • info

      the security scope crm.objects.tickets.write was added to the endpoint's security scheme oauth2

    • info

      the security scope crm.objects.products.read was removed from the endpoint's security scheme oauth2

  • 2026-090ef9eb6aefe5Revision changes
    • info

      the security scope crm.objects.deals.read was added to the endpoint's security scheme oauth2

    • info

      the security scope crm.objects.products.read was removed from the endpoint's security scheme oauth2