---
title: "Add number to blacklist"
method: POST
path: "/blacklistednumber"
tags: ["blacklist"]
---

# Add number to blacklist

`POST /blacklistednumber`

Adds one or more phone numbers to the blacklist to prevent them from reaching your organization. Blacklisted callers will be automatically blocked from connecting.

## Request body

- BlacklistNumberPost
  - `number` integer, required — Request body envelope. Shape defined by schema 'BlacklistNumberPost'. See individual field rows for contents.

## Response `200`

Confirmation of blacklist addition with result status

- PostResponse
  - `result` string, required — Outcome of the request. String, typically 'success' or 'error'.
  - `err` string, required — Error message when result='error'. String. Empty/null on success.
  - `data` string — Response payload. Shape varies by endpoint.

## Other responses

- `default` — Unexpected error

---

[API](https://skmtc.net/convirza/apis/convirza-apis.md) · [All operations](https://skmtc.net/convirza/apis/convirza-apis/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/convirza/convirza-apis/versions/ccf9bbe34f5a/schema)