---
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 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.

---

[API](https://skmtc.net/hubspot/apis/hubspot-api-specification.md) · [All operations](https://skmtc.net/hubspot/apis/hubspot-api-specification/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/hubspot/hubspot-api-specification/versions/f9c7181056c5/schema)