Get registration options

Get registration options for WebAuthn (passwordless authentication) credential registration

  • HTTP Method: GET
  • URL: https://example.domain.tld/api/v1/webauthn/registration/options/
  • Require authentication: Yes
  • Permission level required: MasterAdmin / DomainAdmin / MailUser

Response parameters

See example response below. These options can be passed to browser’s navigator.credentials.create() method or to a library like SimpleWebAuthn. For details of WebAuthn, see its W3C specification or MDN docs.

Example request (Python)

import requests
import json
from pprint import pprint

url = "https://example.domain.tld/api/v1/webauthn/registration/options/"
r = requests.get(url, auth=("masteradmin2","long-auth_token-here"))
try:
    pprint(r.json())
except:
    print(r.text)

Example response (JSON)

{
    "attestation": "none",
    "authenticatorSelection": {
        "requireResidentKey": true,
        "residentKey": "required",
        "userVerification": "preferred"
    },
    "challenge": "L2naEZ0vOCG-AxeY6tE_8891sYFLWraDsOh0aWtbGqU9HKrvXFBnD2q8_oes41DApw1_hWmplpQl6bgwr6B2PA",
    "excludeCredentials": [],
    "pubKeyCredParams": [
        {
            "alg": -7,
            "type": "public-key"
        },
        {
            "alg": -8,
            "type": "public-key"
        },
        {
            "alg": -36,
            "type": "public-key"
        },
        {
            "alg": -37,
            "type": "public-key"
        },
        {
            "alg": -38,
            "type": "public-key"
        },
        {
            "alg": -39,
            "type": "public-key"
        },
        {
            "alg": -257,
            "type": "public-key"
        },
        {
            "alg": -258,
            "type": "public-key"
        },
        {
            "alg": -259,
            "type": "public-key"
        }
    ],
    "rp": {
        "id": "demo.mymailcheap.com",
        "name": "demo.mymailcheap.com"
    },
    "timeout": 60000,
    "user": {
        "displayName": "masteradmin2",
        "id": "MTI",
        "name": "masteradmin2"
    }
}