---
title: "Changes to Initialize authentication session"
method: POST
path: "/userAccount/initAuth"
---

# Changes to Initialize authentication session

`POST /userAccount/initAuth`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 24 revisions.

- **2026-10-28** `dbb5e203b445`: 1 breaking, 1 warning, 2 info
- **2026-10-26** `fc76aa045994`: 3 warning, 3 info
- **2026-10-13** `bb0c59adf026`: 1 info
- **2026-10-08** `c462bea9ad26`: 1 info
- **2026-10-08** `bb0c59adf026`: 3 info

## Changes

- **2026-10-28** `dbb5e203b445`: 1 breaking, 1 warning, 2 info
  - added the pattern `^(?!\.)(?!.*\.\.)([A-Za-z0-9_'+\-.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9-]*\.)+[A-Za-z]{2,}$` to the request property `email`
  - the `email` request property's maxLength was set to `254`
  - added the media type `application/x-www-form-urlencoded` to the request body
  - added the optional property `authProviders/microsoft/authority` to the response with the `200` status
- **2026-10-26** `fc76aa045994`: 3 warning, 3 info
  - removed the optional property `authProviders/azuread` from the response with the `200` status
  - removed the optional property `authProviders/oauth` from the response with the `200` status
  - removed the optional property `authProviders/saml` from the response with the `200` status
  - removed the `azureAd` enum value from the `allowedMethods/items/` response property for the response status `200`
  - removed the `oauth` enum value from the `allowedMethods/items/` response property for the response status `200`
  - removed the `samlSso` enum value from the `allowedMethods/items/` response property for the response status `200`
- **2026-10-13** `bb0c59adf026`: 1 info
  - added the non-success response with the status `429`
- **2026-10-08** `c462bea9ad26`: 1 info
  - removed the non-success response with the status `429`
- **2026-10-08** `bb0c59adf026`: 3 info
  - added the non-success response with the status `429`
  - added the optional property `error/requestId` to the response with the `400` status
  - added the optional property `error/requestId` to the response with the `500` status

---

[Operation](https://skmtc.dev/pipeshub-ai/apis/pipeshub-api/docs/userAccount/initAuth/post.md) - [API](https://skmtc.dev/pipeshub-ai/apis/pipeshub-api.md) - [Page](https://skmtc.dev/pipeshub-ai/apis/pipeshub-api/changes/userAccount/initAuth/post)