---
title: "Begin shell passkey assertion"
method: POST
path: "/v1/runtimes/{runtimeId}/shell/passkey/begin"
tags: ["Runtimes"]
---

# Begin shell passkey assertion

`POST /v1/runtimes/{runtimeId}/shell/passkey/begin`

## Request

- Base URL: `https://api.1claw.co`
- URL: `https://api.1claw.co/v1/runtimes/{runtimeId}/shell/passkey/begin`
- Auth: HTTP bearer

Human-only. Starts a WebAuthn assertion ceremony for shell
step-up auth (social/Google users without a password).

## Path parameters

- `runtimeId` string, uuid, required

## Response `200`

Passkey challenge for shell session

- object

## Other responses

- `401`: Authentication required or invalid
- `403`: Insufficient permissions
- `404`: Resource not found

---

[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)