---
title: "POST /integrators/timeline/2026-03/events/batch"
method: POST
path: "/integrators/timeline/2026-03/events/batch"
tags: ["Batch"]
---

# POST /integrators/timeline/2026-03/events/batch

`POST /integrators/timeline/2026-03/events/batch`

## Request

- Base URL: `https://api.hubapi.com`
- URL: `https://api.hubapi.com/integrators/timeline/2026-03/events/batch`
- Auth: one of:
  - HTTP bearer
  - API key in query parameter `hapikey`
  - none

## Request body

- CrmTimelineBatchInputAppEventOccurrence
  - `inputs` CrmTimelineAppEventOccurrence[], required
    - `domain` string
    - `email` string
    - `eventTypeName` string, required
    - `extraData` object
    - `id` string, required
    - `objectId` string
    - `objectTypeFullyQualifiedName` string
    - `properties` object, required
    - `timelineIFrame` CrmTimelineTimelineEventIFrame
      - `headerLabel` string, required: The label of the modal window that displays the iframe contents.
      - `height` integer, required: The height of the modal window in pixels.
      - `linkLabel` string, required: The text displaying the link that will display the iframe.
      - `url` string, required: The URI of the iframe contents.
      - `width` integer, required: The width of the modal window in pixels.
    - `timestamp` string, date-time
    - `utk` string

## Response `200`

successful operation

- CrmTimelineBatchResponseAppEventOccurrence
  - `completedAt` string, date-time, required
  - `errors` StandardError[]
    - `category` string, required: Error category.
    - `context` object, required: Error context.
    - `errors` ErrorDetail[], required: List of error details.
      - `code` string: The status code associated with the error detail
      - `context` object: Context about the error condition
      - `in` string: The name of the field or parameter in which the error was found.
      - `message` string, required: A human readable message describing the error along with remediation steps where appropriate
      - `subCategory` string: A specific category that contains more specific detail about the error
    - `id` string: Error ID.
    - `links` object, required: Error links.
    - `message` string, required: Error message.
    - `status` string, required: Error status.
    - `subCategory` object: Error subcategory.
  - `links` object
  - `numErrors` integer
  - `requestedAt` string, date-time
  - `results` CrmTimelineAppEventOccurrence[], required
    - `domain` string
    - `email` string
    - `eventTypeName` string, required
    - `extraData` object
    - `id` string, required
    - `objectId` string
    - `objectTypeFullyQualifiedName` string
    - `properties` object, required
    - `timelineIFrame` CrmTimelineTimelineEventIFrame
      - `headerLabel` string, required: The label of the modal window that displays the iframe contents.
      - `height` integer, required: The height of the modal window in pixels.
      - `linkLabel` string, required: The text displaying the link that will display the iframe.
      - `url` string, required: The URI of the iframe contents.
      - `width` integer, required: The width of the modal window in pixels.
    - `timestamp` string, date-time
    - `utk` string
  - `startedAt` string, date-time, required
  - `status` 'CANCELED' | 'COMPLETE' | 'PENDING' | 'PROCESSING', required

## Other responses

- `400`: One or more occurrences has a validation error that prevented us from accepting them for persistence. The response body will contain details about the validation error. Occurrence batch insert request rejected, none were accepted.
- `409`: One or more occurrence in the batch already exist. Occurrences are immutable. Occurrence insert request rejected, none were accepted.
- `default`: An error occurred.

## Changes

> 14 revisions in range; 1 not diffed, 2 could not be searched.

- **2026-04-08** `b0d8bc008db9`: 3 info
  - api operation id `post-/integrators/timeline/2026-03/events/batch_/integrators/timeline/2026-03/events/batch` removed and replaced with `post-/integrators/timeline/2026-03/events/batch`
  - the security scope `crm.objects.deals.sensitive.write.v2` was added to the endpoint's security scheme `private_apps`
  - the security scope `crm.schemas.deals.write` was removed from the endpoint's security scheme `private_apps`
- **2026-04-03** `3578967e48df`: 2 info
  - the security scope `crm.objects.deals.sensitive.write.v2` was added to the endpoint's security scheme `private_apps`
  - the security scope `crm.schemas.deals.write` was removed from the endpoint's security scheme `private_apps`
- **2026-04-01** `e0403341222c`: 2 info
  - the security scope `crm.objects.deals.sensitive.write.v2` was added to the endpoint's security scheme `private_apps`
  - the security scope `crm.schemas.deals.write` was removed from the endpoint's security scheme `private_apps`
- **2026-03-31** `f33be5a82610`: 2 info
  - the security scope `crm.objects.deals.sensitive.write.v2` was added to the endpoint's security scheme `private_apps`
  - the security scope `crm.schemas.deals.write` was removed from the endpoint's security scheme `private_apps`
- **2026-03-30** `dc2fdad57f7f`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/hubspot/apis/hubspot-api-specification/changes/integrators/timeline/2026-03/events/batch/post.md)

---

[API](https://skmtc.dev/hubspot/apis/hubspot-api-specification.md) - [All operations](https://skmtc.dev/hubspot/apis/hubspot-api-specification/llms.txt) - [OpenAPI document](https://skmtc.dev/hubspot/apis/hubspot-api-specification/revisions/f9c7181056c5?raw)