---
title: "Changes to POST /3ds/sessions"
method: POST
path: "/3ds/sessions"
---

# Changes to POST /3ds/sessions

`POST /3ds/sessions`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 22 revisions.

- **2026-08-08** `88754703a861`: 7 info
- **2025-04-22** `1862d3ccfd1d`: 1 info
- **2024-11-06** `6e59d7e846f5`: 1 info

## Changes

- **2026-08-08** `88754703a861`: 7 info
  - added the new optional request property `authentication_request`
  - added the new optional request property `callback_urls`
  - added the new optional request property `metadata`
  - the `token_id` request property's maxLength was increased from `36` to `100`
  - added the optional property `additional_card_brands` to the response with the `201` status
  - added the optional property `metadata` to the response with the `201` status
  - added the optional property `redirect_url` to the response with the `201` status
- **2025-04-22** `1862d3ccfd1d`: 1 info
  - added the new optional request property `web_challenge_mode`
- **2024-11-06** `6e59d7e846f5`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/basistheory/apis/basis-theory-api/docs/3ds/sessions/post.md) - [API](https://skmtc.dev/basistheory/apis/basis-theory-api.md) - [Page](https://skmtc.dev/basistheory/apis/basis-theory-api/changes/3ds/sessions/post)