---
title: "Add Phone Numbers To Blacklist"
method: POST
path: "/v2/Account/Blacklist"
tags: ["Account"]
---

# Add Phone Numbers To Blacklist

`POST /v2/Account/Blacklist`

Adds one or more phone numbers to the account blacklist.

## Request body

- AddRemoveNumbersToBlacklistRequest — Request to add or remove phone numbers or prefixes from the blacklist. PhoneNumbers: - Can contain full phone numbers (e.g. +1234567890). - Can also contain prefixes to block a range of numbers (e.g. +41 for Switzerland or +41837 for a specific range). - Maximum length per entry: 25 characters. - Duplicates in the list are not allowed.
  - `phoneNumbers` string[], nullable

## Response `200`

The result of the add operation.

- boolean

## Other responses

- `400` — Error

---

[API](https://skmtc.net/nlpearl/apis/nlpearl-client-api.md) · [All operations](https://skmtc.net/nlpearl/apis/nlpearl-client-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/nlpearl/nlpearl-client-api/versions/52d64fc5d6e9/schema)