---
title: "Changes to Sign-in step 2: verify TOTP and produce a step-3 session"
method: POST
path: "/identity/sign_in/step_2"
---

# Changes to Sign-in step 2: verify TOTP and produce a step-3 session

`POST /identity/sign_in/step_2`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 25 revisions.

- **2026-09-01** `f2d9f80610d9` — 1 info
- **2026-08-20** `2648ee5002a9` — 1 info
- **2026-08-06** `fe2041c5ba86` — 2 info

## Changes

- **2026-09-01** `f2d9f80610d9` — 1 info
  - added the optional property `error/api_client_id` to the response with the `default` status
- **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`

---

[Operation](https://skmtc.dev/stablesea/apis/stable-sea-backend/docs/identity/sign_in/step_2/post.md) · [API](https://skmtc.dev/stablesea/apis/stable-sea-backend.md) · [Page](https://skmtc.dev/stablesea/apis/stable-sea-backend/changes/identity/sign_in/step_2/post)