---
title: "Batch record events"
method: POST
path: "/api/v1/cdp/events/batch"
tags: ["CDP Events"]
---

# Batch record events

`POST /api/v1/cdp/events/batch`

Ingest up to 1000 events in one request, for bulk or historical loads. Unlike the single endpoint, this does not trigger journey enrollment.

## Request body

- object
  - `items` object[], required — Events to record.
    - `name` string, required — Event name, e.g. "checkout_completed". Letters, numbers, underscores only.
    - `externalId` string, required — Your stable id for this event (idempotency key). Re-recording returns created: false.
    - `timestamp` string, date-time — When the event occurred, ISO 8601. Defaults to now if omitted.
    - `personExternalId` string — Subject: the person externalId this event is about.
    - `customObjectType` string — Subject: the custom-object type name. Must be paired with customObjectExternalId.
    - `customObjectExternalId` string — Subject: the custom-object externalId. Must be paired with customObjectType.
    - `properties` object — Free-form event payload.

## Response `200`

Success

- object
  - `summary` object, required
    - `total` integer, required
    - `created` integer, required
    - `skipped` integer, required — Idempotent duplicates (externalId already recorded).
    - `failed` integer, required
  - `errors` object[], required
    - `index` integer, required — Zero-based index of the failed item.
    - `externalId` string
    - `error` object, required
      - `code` string, required — Stable machine-readable error code (snake_case).
      - `message` string, required

## Other responses

- `400` — Validation failed or the request cannot proceed.
- `401` — Missing, malformed, or revoked API key.
- `404` — The resource does not exist in this organization.
- `409` — Conflicts with the current state (duplicates, wrong lifecycle state).
- `422` — The request is well-formed but semantically invalid.
- `429` — Rate limit exceeded — retry after `Retry-After`.
- `500` — Internal server error.
- `503` — Transient error — retry with a narrower request.

---

[API](https://skmtc.net/useboom/apis/boom-api.md) · [All operations](https://skmtc.net/useboom/apis/boom-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/useboom/boom-api/revisions/00f873e07076/schema)