---
title: "Complete a batch of callbacks"
method: POST
path: "/automation/actions/callbacks/2026-09/complete"
tags: ["Callbacks"]
---

# Complete a batch of callbacks

`POST /automation/actions/callbacks/2026-09/complete`

## Request

- Base URL: `https://api.hubapi.com`
- URL: `https://api.hubapi.com/automation/actions/callbacks/2026-09/complete`
- Auth: OAuth 2
  - Authorization code: `https://app.hubspot.com/oauth/authorize`
  - Token URL: `https://api.hubapi.com/oauth/v1/token` scopes: `automation`

Complete a batch of blocked action executions.

## Request body

- BatchInputCallbackCompletionBatchRequest
  - `inputs` CallbackCompletionBatchRequest[], required: An array of CallbackCompletionBatchRequest objects, each representing a single callback completion request. This property is required.
    - `callbackId` string, required: The unique identifier for the callback.
    - `failureReasonType` string: Specifies the type of failure reason for the callback completion.
    - `outputFields` object, required: Holds the output fields for the callback completion.
    - `typedOutputs` object, required: Contains the typed outputs for the callback completion.

## Response `204`

No content

## Other responses

- `default`: An error occurred.

## Changes

- **2026-10-14** (2026-09) `bfab10ea153c`: 1 warning
  - removed the request property `inputs/items/requestContext`
- **2026-09-23** (2026-09) `a58181316825`: 2 breaking
  - the request property `inputs/items/requestContext/oneOf[subschema #2: AGENTS]/chirpAiContextObject/sensitivity` became required
  - the request property `inputs/items/requestContext/oneOf[subschema #4: STANDALONE]/chirpAiContextObject/sensitivity` became required
- **2026-09-10** (2026-09) `837fcc360f35`: 2 info
  - added the new optional request property `inputs/items/requestContext/oneOf[subschema #2: AGENTS]/chirpAiContextObject/sensitivity`
  - added the new optional request property `inputs/items/requestContext/oneOf[subschema #4: STANDALONE]/chirpAiContextObject/sensitivity`
- **2026-09-03** (2026-09) `ea9a634b183c`: 1 info
  - endpoint added
- **2026-09-03** (2026-09) `c6eb28324e2a`: 1 breaking
  - api path removed without deprecation

[Operation history](https://skmtc.dev/hubspot/apis/automation-actions-v4/changes/automation/actions/callbacks/2026-09/complete/post.md)

---

[API](https://skmtc.dev/hubspot/apis/automation-actions-v4.md) - [All operations](https://skmtc.dev/hubspot/apis/automation-actions-v4/llms.txt) - [OpenAPI document](https://skmtc.dev/hubspot/apis/automation-actions-v4/revisions/bfab10ea153c?raw)