---
title: "Changes to Create API key"
method: POST
path: "/v3/admin/applications/{application_id}/api-keys"
---

# Changes to Create API key

`POST /v3/admin/applications/{application_id}/api-keys`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 16 revisions.

- **2026-09-29** `a669a04b02ba`: 1 breaking, 2 warning
- **2026-09-26** `763d6b969cd7`: 1 info

## Changes

- **2026-09-29** `a669a04b02ba`: 1 breaking, 2 warning
  - the `expires_in` request property type changed from `number` to `integer`
  - the `expires_in` request property's max was set to `9125.00`
  - the `expires_in` request property's min was set to `1.00`
- **2026-09-26** `763d6b969cd7`: 1 info
  - added the optional property `error/provider_error` to the response with the `429` status

---

[Operation](https://skmtc.dev/nylas/apis/nylas-api/docs/v3/admin/applications/:application_id/api-keys/post.md) - [API](https://skmtc.dev/nylas/apis/nylas-api.md) - [Page](https://skmtc.dev/nylas/apis/nylas-api/changes/v3/admin/applications/:application_id/api-keys/post)