---
title: "Verify an SMS code and produce a step-3 session"
method: POST
path: "/identity/sms2fa/verify"
tags: ["identity", "signin"]
---

# Verify an SMS code and produce a step-3 session

`POST /identity/sms2fa/verify`

## Request body

- IdentityVerifySms2faInput
  - `code` string
  - `ip_address` string
  - `session_token` string

## Response `200`

OK

- IdentitySignInStep2Output
  - `groups` IdentitySignInStep2GroupOutput[], nullable
    - `business_eligible` boolean
    - `group_id` string
    - `individual` IdentitySignInStep2IndividualOutput
      - `email` string
      - `first_name` string
      - `id` string
      - `last_name` string
      - `status` string
    - `relationship` string
  - `session_token` string
  - `success` boolean

## Other responses

- `default` — Error response.

## Changes

- **2026-08-20** `2648ee5002a9` — 1 info
  - added the optional property `groups/items/business_eligible` to the response with the `200` status
- **2026-08-06** `fe2041c5ba86` — 2 info
  - the `groups/items/group_id` response's property pattern was changed from `^grp_[0-9a-hjkmnp-tv-z]{26}$` to `^grp_[0-7][0-9a-hjkmnp-tv-z]{25}$` for the status `200`
  - the `groups/items/individual/id` response's property pattern was changed from `^ind_[0-9a-hjkmnp-tv-z]{26}$` to `^ind_[0-7][0-9a-hjkmnp-tv-z]{25}$` for the status `200`

[Change history](https://skmtc.dev/stablesea/apis/stable-sea-backend/changes/identity/sms2fa/verify/post.md)

---

[API](https://skmtc.dev/stablesea/apis/stable-sea-backend.md) · [All operations](https://skmtc.dev/stablesea/apis/stable-sea-backend/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/stablesea/stable-sea-backend/revisions/adba5ad114cf/schema)