---
title: "Send OTP via SMS for an existing user"
method: POST
path: "/v1/api/users/{userExternalId}/second-factor"
tags: ["Users"]
---

# Send OTP via SMS for an existing user

`POST /v1/api/users/{userExternalId}/second-factor`

## Path parameters

- `userExternalId` string, required

## Request body

- string

## Response `200`

OK

## Other responses

- `400` — Invalid payload
- `404` — Not found

---

[API](https://skmtc.net/government-digital-service/apis/adminusers-api.md) · [All operations](https://skmtc.net/government-digital-service/apis/adminusers-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/government-digital-service/adminusers-api/revisions/17f1bf916172/schema)