# May 10, 2022 

** We have made updates to Karbon's public API that impact an existing endpoint: WebhookSubscriptions. We have also introduced Webhooks for WorkItem and Notes. **
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### High level summary
This document outlines the changes to Karbon's public API as a result of the Karbon release on May 10, 2022.

In summary, the API changes impact 1 endpoint and have introduced 2 webhooks:

1. `WebhookSubscriptions` (existing endpoints)
2. Introduced Webhooks for `WorkItems` and `Notes`

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### `WebhookSubscriptions (existing)`

* `GET` endpoint `/v3/WebhookSubscriptions` will by default search for contact webhook subscription for a tenant
* `GET` endpoint `/v3/WebhookSubscriptions/Work` will search for WorkItem webhook subscription for a tenant
* `GET` endpoint `/v3/WebhookSubscriptions/ContentItem` will search for Notes webhook subscription for a tenant
* `POST` endpoint `/v3/WebhookSubscriptions` will by default create Contact webhook subscription for a tenant
* `POST` endpoint `/v3/WebhookSubscriptions/Work` will create WorkItem webhook subscription for a tenant
* `POST` endpoint `/v3/WebhookSubscriptions/ContentItem` will create Note webhook subscription for a tenant
* `DELETE` endpoint `/v3/WebhookSubscriptions` will by default delete Contact webhook subscription for a tenant
* `DELETE` endpoint /`v3/WebhookSubscriptions/Work` will delete WorkItem webhook subscription for a tenant
* `DELETE` endpoint `/v3/WebhookSubscriptions/ContentItem` will delete Note webhook subscription for a tenant