# Bind passkey for sign-in

**POST /api/experience/profile/mfa/passkey**

Bind a WebAuthn credential as a passkey for sign-in purposes. Unlike `POST /api/experience/profile/mfa` with `type: WebAuthn`, this endpoint is exclusively for adding a passkey as a sign-in method and does NOT mark the user's optional MFA as enabled.


## Servers
- Logto endpoint address.: https://[tenant_id].logto.app (Logto endpoint address.)



## Parameters



### Body: application/json (object)

- **verificationId** (string)
  The ID of the WebAuthn verification record to bind as a passkey.


## Responses
### 204
The passkey has been successfully bound to the user profile.

### 400
Invalid request. <br/>- `session.verification_failed:` The WebAuthn verification record is invalid or not verified. <br/>- `session.mfa.pending_info_not_found:` The verification record does not have the required registration data.

### 404
Entity not found. <br/>- `session.identifier_not_found:` The user has not been identified yet. <br/>- `session.verification_session_not_found:` The WebAuthn verification record is not found.


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