---
title: "Changes to Sign in with an OAuth2 provider"
method: GET
path: "/signin/provider/{provider}"
---

# Changes to Sign in with an OAuth2 provider

`GET /signin/provider/{provider}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 9 of 20 revisions.

- **2026-07-31** `a5c0d88b55c4`: 1 info
- **2026-06-24** `0fc5fd589dbf`: 1 warning
- **2026-04-20** `b39086c84b43`: 1 warning, 1 info
- **2026-03-27** `fbbb4ff76b2a`: 1 info
- **2026-01-13** `7560a2934be4`: 1 info
- **2025-12-18** `8fe8f76faefb`: 1 info
- **2025-11-11** `484d9f1a422a`: 1 warning
- **2025-10-28** `ca6d11a13264`: 2 info
- **2025-10-10** `2bb5c4e40463`: 1 breaking, 4 warning, 4 info

## Changes

- **2026-07-31** `a5c0d88b55c4`: 1 info
  - added the new optional `query` request parameter `upstreamParams`
- **2026-06-24** `0fc5fd589dbf`: 1 warning
  - added the new `otp-too-many-attempts` enum value to the `error` response property for the response status `default`
- **2026-04-20** `b39086c84b43`: 1 warning, 1 info
  - added the new `user-already-exists` enum value to the `error` response property for the response status `default`
  - removed the `email-already-in-use` enum value from the `error` response property for the response status `default`
- **2026-03-27** `fbbb4ff76b2a`: 1 info
  - added the new optional `query` request parameter `codeChallenge`
- **2026-01-13** `7560a2934be4`: 1 info
  - for the `query` request parameter `locale`, the maxLength was increased from `2` to `3`
- **2025-12-18** `8fe8f76faefb`: 1 info
  - added the new optional `query` request parameter `providerSpecificParams`
- **2025-11-11** `484d9f1a422a`: 1 warning
  - added the new `provider-account-already-linked` enum value to the `error` response property for the response status `default`
- **2025-10-28** `ca6d11a13264`: 2 info
  - added the new optional `query` request parameter `state`
  - `path` request parameter `provider` was reactivated
- **2025-10-10** `2bb5c4e40463`: 1 breaking, 4 warning, 4 info
  - for the `query` request parameter `locale`, the maxLength was decreased from `3` to `2`
  - deleted the `query` request parameter `codeChallenge`
  - deleted the `query` request parameter `providerSpecificParams`
  - deleted the `query` request parameter `state`
  - added the new `email-already-in-use` enum value to the `error` response property for the response status `default`
  - `path` request parameter `provider` was deprecated
  - removed the `otp-too-many-attempts` enum value from the `error` response property for the response status `default`
  - removed the `provider-account-already-linked` enum value from the `error` response property for the response status `default`
  - removed the `user-already-exists` enum value from the `error` response property for the response status `default`

---

[Operation](https://skmtc.dev/nhost/apis/nhost-authentication-api/docs/signin/provider/:provider/get.md) - [API](https://skmtc.dev/nhost/apis/nhost-authentication-api.md) - [Page](https://skmtc.dev/nhost/apis/nhost-authentication-api/changes/signin/provider/:provider/get)