---
title: "Use this endpoint to authenticate CIBA user"
method: GET
path: "/ciba_user_authorize/{transactionId}"
tags: ["Backchannel User Authorization Endpoint"]
---

# Use this endpoint to authenticate CIBA user

`GET /ciba_user_authorize/{transactionId}`

## Request

- Base URL: `https://{pointofcontact}/oauth2`
- URL: `https://{pointofcontact}/oauth2/ciba_user_authorize/{transactionId}`
- Auth: none declared

When using internal authenticator, to be authenticated user should hit this
endpoint to perform authentication and optionally provides consents.

## Path parameters

- `transactionId` string, required

## Response `200`

CIBA user authorization page

## Other responses

- `400`: CIBA user authorization page
- `404`: CIBA session not found

---

[API](https://skmtc.dev/ibm/apis/ibm-security-verify-access-oidc-provider.md) - [All operations](https://skmtc.dev/ibm/apis/ibm-security-verify-access-oidc-provider/llms.txt) - [OpenAPI document](https://skmtc.dev/ibm/apis/ibm-security-verify-access-oidc-provider/revisions/68cfc4d21b73?raw)