---
title: "Submit the sole-prop OTP"
method: POST
path: "/v1/sms/registrations/{id}/verify-otp"
tags: ["SMS"]
---

# Submit the sole-prop OTP

`POST /v1/sms/registrations/{id}/verify-otp`

Completes sole-proprietor 10DLC brand verification by submitting the
one-time PIN texted to the brand's mobile number. On success the
registration continues to campaign creation automatically.

## Path parameters

- `id` string, required

## Request body

- object
  - `otpPin` string, required

## Response `200`

OTP result

- object
  - `verified` boolean

## Other responses

- `400` — Invalid request
- `401` — Unauthorized
- `404` — Registration not found

## Changes

- **2026-09-16** `3e6ddf2a99ea` — 1 info
  - added the optional property `details/budgetScope` to the response with the `400` status
- **2026-09-15** `0dba7d004d75` — 2 info
  - added the optional property `details/quotaExhausted` to the response with the `400` status
  - added the optional property `details/quotaScope` to the response with the `400` status

[Change history](https://skmtc.dev/zernio/apis/zernio-api/changes/v1/sms/registrations/:id/verify-otp/post.md)

---

[API](https://skmtc.dev/zernio/apis/zernio-api.md) · [All operations](https://skmtc.dev/zernio/apis/zernio-api/llms.txt) · [OpenAPI document](https://skmtc.dev/zernio/apis/zernio-api/revisions/339f59df69dd?raw)