---
title: "Send Trust Center update notifications to specific subscribers"
method: POST
path: "/trust-centers/{slugId}/updates/{updateId}/notify-specific-subscribers"
tags: ["Trust Centers"]
---

# Send Trust Center update notifications to specific subscribers

`POST /trust-centers/{slugId}/updates/{updateId}/notify-specific-subscribers`

Sends notifications for a specific Trust Center update to specific subscribers.
At least one subscriber group or email address is required.

The total number of resolved, deduplicated recipient emails must not exceed 5,000.
If exceeded, a 422 error is returned. Narrow your filters or split across multiple requests.

## Path parameters

- `slugId` string, required
- `updateId` string, required

## Request body

- SendTrustCenterUpdateNotificationsInput — Input for sending notifications to specific subscribers of a Trust Center update. **Recipient limit:** The total number of deduplicated recipient emails resolved from subscriber groups, account filters, and additional emails must not exceed **5,000**. If the resolved recipient count exceeds this limit, the request will return a **422** error. To notify more recipients, narrow your filters or split across multiple requests.
  - `emails` string[], required — Additional email addresses to notify about this Trust Center update in addition to the existing Trust Center subscribers. Duplicate emails are deduplicated to ensure each recipient gets only one notification.
  - `subscriberGroupIds` string[], required — IDs of subscriber groups to notify. When `customerTrustAccounts` is also provided, only subscribers in these groups whose linked account matches are notified.
  - `customerTrustAccounts` CustomerTrustAccountsInput — Account selectors for narrowing `GROUPS` notifications to subscribers with a matching linked account.
    - `customFieldsFilter` CustomerTrustAccountCustomFieldFilter[] — Filter accounts by custom field label/value pairs. When `value` is an array, accounts matching any of the values are included. When multiple entries are provided, accounts must satisfy all of them.
      - `label` string, required — The custom field label.
      - `value` union, required — The value(s) to match against. Provide an array to match any of multiple values.
        - string
        - string[]
    - `tagsByCategory` TagsByCategoryInput[] — Narrow the candidate accounts resolved from `customFieldsFilter` to those with matching tags. Within a category entry, accounts matching any of the `tagIds` are included. When multiple entries are provided, accounts must satisfy all of them.
      - `categoryId` string, required — The tag category ID
      - `tagIds` string[], required — Tag IDs to assign. An empty array removes all tags for the category.

## Response `200`

Ok

- NotifySpecificSubscribersResponse
  - `recipientCount` number, double, required — The number of subscribers who will receive this notification.

---

[API](https://skmtc.net/vanta/apis/build-integrations.md) · [All operations](https://skmtc.net/vanta/apis/build-integrations/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/vanta/build-integrations/revisions/6c1f7590538b/schema)