---
title: "Add phone for risk verification"
method: POST
path: "/v3/partner/risk-verifications/{userId}/phone"
tags: ["partner"]
---

# Add phone for risk verification

`POST /v3/partner/risk-verifications/{userId}/phone`

Add a phone number for a created user. BILL requires organization users to have a linked phone number for initiating risk verification for the organization.

You can check whether a phone number has been added for the user with `GET /v3/risk-verifications/phone`.

After you add a phone number with this endpoint, you can initiate risk verification for the organization with `POST /v3/risk-verifications`.

## Path parameters

- `userId` string, required — BILL-generated ID of the user. The value begins with `006`.

## Headers

- `sessionId` string, nullable — API session ID generated with `/v3/partner/login`
- `appKey` string, nullable — Application key sent to you by BILL when you create a partner account
- `organizationId` string, nullable — BILL-generated ID of the organization

## Request body

- PhoneVerificationRequestDto — Add a phone number for risk verification
  - `phoneNumber` string, required — Phone number
  - `phoneType` 'MOBILE' | 'HOME', required — Phone type

## Response `200`

Add phone for risk verification response

## Other responses

- `4XX` — List of errors.
- `5XX` — List of errors.

---

[API](https://skmtc.net/bill/apis/bill-v3-api.md) · [All operations](https://skmtc.net/bill/apis/bill-v3-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/bill/bill-v3-api/revisions/0483350c434e/schema)