---
title: "Changes to Create outbound webhook"
method: POST
path: "/webhooks"
---

# Changes to Create outbound webhook

`POST /webhooks`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 15 of 149 revisions.

- **2026-10-16** `db3873ca3d4d`: 1 warning, 5 info
- **2026-08-26** `11b6d27ba1de`: 1 warning, 1 info
- **2026-08-26** `c78765f7e84f`: 1 warning, 1 info
- **2026-08-19** `ba3a29c6eb33`: 2 info
- **2026-08-16** `6fd2903b91ce`: 2 info
- **2026-08-02** `36f92fc0caa2`: 2 breaking, 1 warning, 1 info
- **2026-07-25** `b58891ac1cde`: 1 warning, 1 info
- **2026-07-15** `8bc13491b9f6`: 2 warning, 2 info
- **2026-07-14** `83e7fd773745`: 1 warning, 1 info
- **2026-07-10** `1b0d5fa83cd8`: 4 warning, 4 info
- **2026-06-21** `a7ebcc2a87e4`: 1 warning, 1 info
- **2026-05-28** `ae4cc18ebdd9`: 1 warning, 1 info
- **2026-05-13** `9a89cb9ec599`: 2 warning, 2 info
- **2026-05-07** `c21889189dc9`: 2 warning, 2 info
- **2026-05-07** `50ebf9e9f651`: 1 info

## Changes

- **2026-10-16** `db3873ca3d4d`: 1 warning, 5 info
  - added the new `email.received` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `email.received` enum value to the request property `events/items/`
  - added the optional property `issues` to the response with the `400` status
  - added the optional property `issues` to the response with the `401` status
  - added the optional property `webhook/autoDisabledAt` to the response with the `201` status
  - added the optional property `webhook/failingSince` to the response with the `201` status
- **2026-08-26** `11b6d27ba1de`: 1 warning, 1 info
  - added the new `campaign.sent` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `campaign.sent` enum value to the request property `events/items/`
- **2026-08-26** `c78765f7e84f`: 1 warning, 1 info
  - added the new `subscriber_import.completed` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `subscriber_import.completed` enum value to the request property `events/items/`
- **2026-08-19** `ba3a29c6eb33`: 2 info
  - added the optional property `retryable` to the response with the `400` status
  - added the optional property `retryable` to the response with the `401` status
- **2026-08-16** `6fd2903b91ce`: 2 info
  - added the optional property `code` to the response with the `400` status
  - added the optional property `code` to the response with the `401` status
- **2026-08-02** `36f92fc0caa2`: 2 breaking, 1 warning, 1 info
  - the response property `success` became optional for the status `400`
  - the response property `success` became optional for the status `401`
  - added the new `subscriber.created` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `subscriber.created` enum value to the request property `events/items/`
- **2026-07-25** `b58891ac1cde`: 1 warning, 1 info
  - added the new `email.failed` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `email.failed` enum value to the request property `events/items/`
- **2026-07-15** `8bc13491b9f6`: 2 warning, 2 info
  - added the new `subscriber.list_subscribed` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `subscriber.list_unsubscribed` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `subscriber.list_subscribed` enum value to the request property `events/items/`
  - added the new `subscriber.list_unsubscribed` enum value to the request property `events/items/`
- **2026-07-14** `83e7fd773745`: 1 warning, 1 info
  - added the new `poll.answered` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `poll.answered` enum value to the request property `events/items/`
- **2026-07-10** `1b0d5fa83cd8`: 4 warning, 4 info
  - added the new `sms.delivered` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `sms.failed` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `sms.opted_out` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `sms.sent` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `sms.delivered` enum value to the request property `events/items/`
  - added the new `sms.failed` enum value to the request property `events/items/`
  - added the new `sms.opted_out` enum value to the request property `events/items/`
  - added the new `sms.sent` enum value to the request property `events/items/`
- **2026-06-21** `a7ebcc2a87e4`: 1 warning, 1 info
  - added the new `email.replied` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `email.replied` enum value to the request property `events/items/`
- **2026-05-28** `ae4cc18ebdd9`: 1 warning, 1 info
  - added the new `subscriber.invalid` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `subscriber.invalid` enum value to the request property `events/items/`
- **2026-05-13** `9a89cb9ec599`: 2 warning, 2 info
  - added the new `subscriber.unsubscribed` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `subscriber.updated` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `subscriber.unsubscribed` enum value to the request property `events/items/`
  - added the new `subscriber.updated` enum value to the request property `events/items/`
- **2026-05-07** `c21889189dc9`: 2 warning, 2 info
  - added the new `sequence.failed` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `sequence.finished` enum value to the `webhook/events/items/` response property for the response status `201`
  - added the new `sequence.failed` enum value to the request property `events/items/`
  - added the new `sequence.finished` enum value to the request property `events/items/`
- **2026-05-07** `50ebf9e9f651`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/sequenzy/apis/sequenzy-api/docs/webhooks/post.md) - [API](https://skmtc.dev/sequenzy/apis/sequenzy-api.md) - [Page](https://skmtc.dev/sequenzy/apis/sequenzy-api/changes/webhooks/post)