---
title: "Changes to POST /api/v1/customers"
method: POST
path: "/api/v1/customers"
---

# Changes to POST /api/v1/customers

`POST /api/v1/customers`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 9 revisions.

- **2026-11-07** `67a25a25863a`: 2 warning, 3 info
- **2025-11-12** `0329534cd557`: 1 breaking, 16 info
- **2025-04-19** `5475c7163be9`: 7 info
- **2023-11-30** `18bfbf87af44`: 7 breaking, 9 info

## Changes

- **2026-11-07** `67a25a25863a`: 2 warning, 3 info
  - the `description` request property's maxLength was set to `255`
  - the `key` request property's maxLength was set to `40`
  - added the new optional request property `displayName`
  - the `key` request property's minLength was decreased from `1` to `0`
  - added the optional property `data/displayName` to the response with the `200` status
- **2025-11-12** `0329534cd557`: 1 breaking, 16 info
  - the `key` request property's minLength was increased from `0` to `1`
  - the endpoint scheme security `Project API Key` was added to the API
  - the endpoint scheme security `apiKey` was removed from the API
  - added the optional property `title` to the response with the `400` status
  - added the optional property `title` to the response with the `402` status
  - added the optional property `title` to the response with the `403` status
  - added the optional property `title` to the response with the `404` status
  - added the optional property `title` to the response with the `409` status
  - added the optional property `title` to the response with the `429` status
  - added the optional property `title` to the response with the `500` status
  - added the optional property `traceId` to the response with the `400` status
  - added the optional property `traceId` to the response with the `402` status
  - added the optional property `traceId` to the response with the `403` status
  - added the optional property `traceId` to the response with the `404` status
  - added the optional property `traceId` to the response with the `409` status
  - added the optional property `traceId` to the response with the `429` status
  - added the optional property `traceId` to the response with the `500` status
- **2025-04-19** `5475c7163be9`: 7 info
  - added the optional property `code` to the response with the `400` status
  - added the optional property `code` to the response with the `402` status
  - added the optional property `code` to the response with the `403` status
  - added the optional property `code` to the response with the `404` status
  - added the optional property `code` to the response with the `409` status
  - added the optional property `code` to the response with the `429` status
  - added the optional property `code` to the response with the `500` status
- **2023-11-30** `18bfbf87af44`: 7 breaking, 9 info
  - removed the media type `*/*` for the response with the status `200`
  - removed the media type `*/*` for the response with the status `400`
  - removed the media type `*/*` for the response with the status `402`
  - removed the media type `*/*` for the response with the status `403`
  - removed the media type `*/*` for the response with the status `404`
  - removed the media type `*/*` for the response with the status `409`
  - removed the media type `*/*` for the response with the status `500`
  - the endpoint scheme security `apiKey` was added to the API
  - added the media type `application/json` for the response with the status `200`
  - added the media type `application/json` for the response with the status `400`
  - added the media type `application/json` for the response with the status `402`
  - added the media type `application/json` for the response with the status `403`
  - added the media type `application/json` for the response with the status `404`
  - added the media type `application/json` for the response with the status `409`
  - added the media type `application/json` for the response with the status `500`
  - added the non-success response with the status `429`

---

[Operation](https://skmtc.dev/simplelocalize/apis/simplelocalize-api/docs/api/v1/customers/post.md) - [API](https://skmtc.dev/simplelocalize/apis/simplelocalize-api.md) - [Page](https://skmtc.dev/simplelocalize/apis/simplelocalize-api/changes/api/v1/customers/post)