---
title: "Api Mfa Passkey Authenticate Complete"
method: POST
path: "/api/auth/mfa/passkey/authenticate-complete"
tags: ["Auth - MFA"]
---

# Api Mfa Passkey Authenticate Complete

`POST /api/auth/mfa/passkey/authenticate-complete`

Verify passkey authentication to complete MFA login.

## Request body

- PasskeyAuthenticateCompleteRequest
  - `state_id` string, required
  - `credential` object, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

## Changes

- **2026-04-05** `396a41f91e6a` — 2 info
  - api tag `Auth - MFA` added
  - api tag `Auth – MFA` removed
- **2026-04-05** `f2668775365c` — 1 info
  - endpoint added
- **2026-04-03** `aca6ce6b2785` — 1 breaking
  - api path removed without deprecation
- **2026-04-03** `74dc97653bc3` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/aabiro/apis/xcelsior/changes/api/auth/mfa/passkey/authenticate-complete/post.md)

---

[API](https://skmtc.dev/aabiro/apis/xcelsior.md) · [All operations](https://skmtc.dev/aabiro/apis/xcelsior/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/aabiro/xcelsior/revisions/95960849edcd/schema)