---
title: "Initiate OAuth authentication"
method: GET
path: "/auth"
---

# Initiate OAuth authentication

`GET /auth`

Redirects user to Zoho authentication page

## Other responses

- `307` — Temporary redirect to Zoho auth page
- `500` — Internal Server Error

## Changes

- **2025-05-28** `958e7eb66e80` — 1 info
  - endpoint added
- **2025-02-27** `36c4e3ff1d48` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/mmhk/apis/anthropic-claude-messages-api/changes/auth/get.md)

---

[API](https://skmtc.dev/mmhk/apis/anthropic-claude-messages-api.md) · [All operations](https://skmtc.dev/mmhk/apis/anthropic-claude-messages-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/mmhk/anthropic-claude-messages-api/revisions/c8f805608547/schema)