---
title: "Create a batch of communications"
method: POST
path: "/crm/v3/objects/communications/batch/create"
tags: ["Batch"]
---

# Create a batch of communications

`POST /crm/v3/objects/communications/batch/create`

Create a batch of messages. The `inputs` array can contain a `properties` object to define property values for each message, along with an `associations` array to define [associations](https://developers.hubspot.com/docs/guides/api/crm/associations/associations-v4) with other CRM records.

## Request body

- BatchInputSimplePublicObjectBatchInputForCreate
  - `inputs` SimplePublicObjectBatchInputForCreate[], required
    - `associations` PublicAssociationsForObject[], required
      - `to` PublicObjectId, required — Contains the Id of a Public Object
        - `id` string, required — The unique ID of the object.
      - `types` AssociationSpec[], required
        - `associationCategory` 'HUBSPOT_DEFINED' | 'INTEGRATOR_DEFINED' | 'USER_DEFINED' | 'WORK', required — The category of the association, such as "HUBSPOT_DEFINED".
        - `associationTypeId` integer, required — The ID representing the specific type of association.
    - `objectWriteTraceId` string — An identifier used for tracing the creation or update request of the object.
    - `properties` object, required — Key value pairs representing the properties of the object.

## Response `201`

successful operation

- BatchResponseSimplePublicObject — A public object batch response object
  - `completedAt` string, date-time, required — The timestamp when the batch processing was completed, in ISO 8601 format.
  - `links` object — An object containing relevant links related to the batch request.
  - `requestedAt` string, date-time — The timestamp when the batch request was initially made, in ISO 8601 format.
  - `results` SimplePublicObject[], required
    - `archived` boolean, required — Whether the object is archived.
    - `archivedAt` string, date-time — The timestamp when the object was archived, in ISO 8601 format.
    - `createdAt` string, date-time, required — The timestamp when the object was created, in ISO 8601 format.
    - `id` string, required — The unique ID of the object.
    - `objectWriteTraceId` string — An identifier used for tracing the write request for the object.
    - `properties` object, required — Key-value pairs representing the properties of the object.
    - `propertiesWithHistory` object — Key-value pairs representing the properties of the object along with their history.
    - `updatedAt` string, date-time, required — The timestamp when the object was last updated, in ISO 8601 format.
    - `url` string — The URL associated with the object.
    - `warnings` PublicObjectWarning[]
      - `category` string, required
      - `context` object, required
      - `message` string, required
  - `startedAt` string, date-time, required — The timestamp when the batch processing began, in ISO 8601 format.
  - `status` 'CANCELED' | 'COMPLETE' | 'PENDING' | 'PROCESSING', required — The status of the batch processing request: "PENDING", "PROCESSING", "CANCELLED", or "COMPLETE"

## Other responses

- `207` — multiple statuses
- `default` — An error occurred.

## Changes

- **2026-09-02** (v3) `a7c9a1222f8b` — 1 info
  - endpoint added
- **2026-07-13** (v3) `6a1666da27ea` — 1 breaking
  - api path removed without deprecation
- **2026-07-13** (v3) `2531fcdcdc19` — 1 info
  - endpoint added
- **2026-07-13** (v3) `69b41e2497e3` — 1 breaking
  - api path removed without deprecation
- **2026-06-23** (v3) `2531fcdcdc19` — 2 info
  - added the optional property `results/items/warnings` to the response with the `201` status
  - added the optional property `results/items/warnings` to the response with the `207` status

[Full history](https://skmtc.dev/hubspot/apis/crm-communications/changes/crm/v3/objects/communications/batch/create/post.md)

---

[API](https://skmtc.dev/hubspot/apis/crm-communications.md) · [All operations](https://skmtc.dev/hubspot/apis/crm-communications/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/hubspot/crm-communications/revisions/a7c9a1222f8b/schema)