---
title: "Changes to Hosted OAuth - Token exchange"
method: POST
path: "/v3/connect/token"
---

# Changes to Hosted OAuth - Token exchange

`POST /v3/connect/token`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 16 revisions.

- **2026-09-29** `a669a04b02ba`: 1 breaking, 1 info

## Changes

- **2026-09-29** `a669a04b02ba`: 1 breaking, 1 info
  - the `error_code` response's property type changed from `string` to `integer` for status `400`
  - added the optional property `request_id` to the response with the `400` status

---

[Operation](https://skmtc.dev/nylas/apis/nylas-api/docs/v3/connect/token/post.md) - [API](https://skmtc.dev/nylas/apis/nylas-api.md) - [Page](https://skmtc.dev/nylas/apis/nylas-api/changes/v3/connect/token/post)