> ## Documentation Index
> Fetch the complete documentation index at: https://docs.scute.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Register new WebAuthn device

> Initiate registration of a new WebAuthn device (passkey) for the authenticated user. Returns credential creation options. Use the SDK instead of calling this manually. Requires a valid access token.



## OpenAPI

````yaml /swagger.json post /v1/auth/{app_id}/devices/register
openapi: 3.0.1
info:
  title: Scute API
  version: v1
  description: API for managing users in Scute applications
servers:
  - url: https://{defaultHost}
    variables:
      defaultHost:
        default: api.scute.io
  - url: http://localhost:3333
    description: Development server
security:
  - apiSecret: []
    userAccess: []
paths:
  /v1/auth/{app_id}/devices/register:
    parameters:
      - name: app_id
        in: path
        required: true
        description: App ID
        schema:
          type: string
    post:
      tags:
        - WebAuthn
      summary: Register new WebAuthn device
      description: >-
        Initiate registration of a new WebAuthn device (passkey) for the
        authenticated user. Returns credential creation options. Use the SDK
        instead of calling this manually. Requires a valid access token.
      operationId: registerDevice
      responses:
        '200':
          description: challenge created successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  user_verification:
                    type: string
                    example: required
                    description: User verification requirement
                  options:
                    type: object
                    description: >-
                      WebAuthn credential creation options containing the
                      challenge
        '401':
          description: unauthorized
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                    example: User not authenticated
        '404':
          description: app not found
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                    example: App not found
        '500':
          description: unable to create registration options
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                    example: Unable to create registration options
      security:
        - userAccess: []
components:
  securitySchemes:
    apiSecret:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: API Secret token
    userAccess:
      type: apiKey
      name: X-Authorization
      in: header
      description: User Access token

````