---
title: "Changes to POST /applications"
method: POST
path: "/applications"
---

# Changes to POST /applications

`POST /applications`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 22 revisions.

- **2026-10-23** `bdebb3258bdb`: 1 info
- **2025-04-22** `1862d3ccfd1d`: 2 warning
- **2024-05-27** `67ab8f016c0c`: 1 warning, 8 info
- **2022-08-10** `9a8cb945aa48`: 3 breaking, 8 info

## Changes

- **2026-10-23** `bdebb3258bdb`: 1 info
  - added the optional property `remaining_applications` to the response with the `201` status
- **2025-04-22** `1862d3ccfd1d`: 2 warning
  - removed the request property `expires_at`
  - removed the optional property `expires_at` from the response with the `201` status
- **2024-05-27** `67ab8f016c0c`: 1 warning, 8 info
  - the `type` request property's maxLength was set to `25`
  - added the new optional request property `create_key`
  - added the new optional request property `expires_at`
  - added the new optional request property `rules`
  - added the optional property `expires_at` to the response with the `201` status
  - added the optional property `keys` to the response with the `201` status
  - added the optional property `rules` to the response with the `201` status
  - response property `key` deprecated
  - the `key` response's property pattern was changed from `^[A-z0-9_]*$` to `[A-z0-9_.]+` for the status `201`
- **2022-08-10** `9a8cb945aa48`: 3 breaking, 8 info
  - request body became required
  - added the pattern `^.+$` to the request property `name`
  - added the pattern `^[A-z_]+$` to the request property `type`
  - api operation id `Applications.Create` removed and replaced with `Applications_Create`
  - the `created_by` response's property pattern `^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$` was added for the status `201`
  - the `id` response's property pattern `^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$` was added for the status `201`
  - the `key` response's property pattern `^[A-z0-9_]*$` was added for the status `201`
  - the `modified_by` response's property pattern `^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$` was added for the status `201`
  - the `name` response's property pattern `^.+$` was added for the status `201`
  - the `tenant_id` response's property pattern `^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$` was added for the status `201`
  - the `type` response's property pattern `^[A-z_]+$` was added for the status `201`

---

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