---
title: "Changes to Verify login step for multi factor authentication (MFA)."
method: POST
path: "/v3/sessions/verify/"
---

# Changes to Verify login step for multi factor authentication (MFA).

`POST /v3/sessions/verify/`

> Every recorded change to this operation, newest first.
> 21 revisions in range; 1 not diffed.

## Timeline

Changed in 4 of 21 revisions.

- **2026-09-01** `75f7e3050340`: 1 warning
- **2025-09-20** `9912a2182e61`: 1 warning
- **2024-08-26** `e605dcddbcbe`: 4 breaking, 4 warning
- **2022-02-06** `032833ac8ca3`: 1 info

## Changes

- **2026-09-01** `75f7e3050340`: 1 warning
  - added the new `LOGIN_VERIFICATION_REQUIRED` enum value to the `error_type` response property for the response status `403`
- **2025-09-20** `9912a2182e61`: 1 warning
  - added the new `USER_SELF_SUSPENDED` enum value to the `error_type` response property for the response status `403`
- **2024-08-26** `e605dcddbcbe`: 4 breaking, 4 warning
  - added `subschema #1: token_response, subschema #2: token_v2_response` to the response body `oneOf` list for the response status `201`
  - the response's body type changed from no type to `object` for status `201`
  - removed the required property `stop` from the response with the `201` status
  - removed the required property `token` from the response with the `201` status
  - removed the optional property `factor` from the response with the `201` status
  - removed the optional property `nemid_session_id` from the response with the `201` status
  - removed the optional property `redirect_url` from the response with the `201` status
  - removed the optional property `verify` from the response with the `201` status
- **2022-02-06** `032833ac8ca3`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/smarkets/apis/smarkets-http-api/docs/v3/sessions/verify/post.md) - [API](https://skmtc.dev/smarkets/apis/smarkets-http-api.md) - [Page](https://skmtc.dev/smarkets/apis/smarkets-http-api/changes/v3/sessions/verify/post)