---
title: "Begin passkey authentication"
method: POST
path: "/v1/auth/passkeys/assert/begin"
tags: ["Authentication"]
---

# Begin passkey authentication

`POST /v1/auth/passkeys/assert/begin`

## Request

- Base URL: `https://api.1claw.co`
- URL: `https://api.1claw.co/v1/auth/passkeys/assert/begin`
- Auth: none required

## Request body

- object
  - `email` string, email

## Response `200`

Assertion options

- object
  - `challenge` string
  - `rp_id` string
  - `timeout` integer
  - `user_verification` string
  - `allow_credentials` object[]

---

[API](https://skmtc.dev/1claw/apis/1claw-api.md) · [All operations](https://skmtc.dev/1claw/apis/1claw-api/llms.txt) · [OpenAPI document](https://skmtc.dev/1claw/apis/1claw-api/revisions/ae109b496830?raw)