# Finish passkey authentication

Verifies the authenticator assertion against the stored challenge and returns a session token on success.

Endpoint: POST /api/v1/passkeys/finish-auth
Version: 1.0
Security: 

## Request fields (application/json):

  - `key` (string)

  - `value` (any)

## Response 200 fields (application/json):

  - `sessionKey` (string, required)
    Persistent Token

## Response 400 fields (application/json):

  - `errorCode` (string, required)
    Error code

  - `message` (string, required)
    Error message

  - `docUrl` (string)
    Link to documentation

## Response 401 fields (application/json):

  - `errorCode` (string, required)
    Error code

  - `message` (string, required)
    Error message

  - `docUrl` (string)
    Link to documentation