---
title: "Validate Phone Number"
method: POST
path: "/validate/phone"
tags: ["Data AI — Validation & VAT"]
---

# Validate Phone Number

`POST /validate/phone`

## Request

- Base URL: `https://api.paperoffice.ai/latest`
- URL: `https://api.paperoffice.ai/latest/validate/phone`
- Auth: HTTP bearer

Validate a phone number (E.164 format and carrier lookup).

## Response `200`

Success

- object: Telefon-Validierung
  - `result` object: Result
    - `valid` boolean: Valid
    - `original` string: Original
    - `cleaned` string: Cleaned
    - `digits_only` string: Digits only
    - `country_code` string: Country code
    - `format` string: Format
    - `error` string: Fehlerdetails falls vorhanden
  - `status` object: Request status (ok/error)
    - `code` integer: Error code or status code
    - `message` string: Status message or error description
    - `success` boolean: Success
  - `processing_time` string: Processing duration in milliseconds

## Other responses

- `4XX`: Error
- `5XX`: Error

---

[API](https://skmtc.dev/paperoffice/apis/paperoffice-ai-api.md) · [All operations](https://skmtc.dev/paperoffice/apis/paperoffice-ai-api/llms.txt) · [OpenAPI document](https://skmtc.dev/paperoffice/apis/paperoffice-ai-api/revisions/c6a6228a4509?raw)