---
title: "Passkey registration finish"
method: POST
path: "/account/link/passkey/finish"
tags: ["account"]
---

# Passkey registration finish

`POST /account/link/passkey/finish`

Finish passkey registration, verify and store credential

## Request body

- object
  - `credential` object, required
    - `id` string, required
    - `rawId` string, required
    - `response` object, required
      - `clientDataJSON` string, required
      - `attestationObject` string, required
      - `authenticatorData` string
      - `transports` union[]
        - union
          - 'ble'
          - 'cable'
          - 'hybrid'
          - 'internal'
          - 'nfc'
          - 'smart-card'
          - 'usb'
      - `publicKeyAlgorithm` number
      - `publicKey` string
    - `authenticatorAttachment` union
      - 'platform'
      - 'cross-platform'
    - `clientExtensionResults` unknown
    - `type` 'public-key', required
  - `name` string

## Response `200`

Default Response

- object
  - `ok` true, required

## Other responses

- `400` — Default Response
- `401` — Default Response

## Changes

- **2026-03-12** `b2c23a2d8170` — 1 info
  - endpoint added
- **2026-01-14** `4f6c72308c7a` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/blockmatic/apis/basilic-api/changes/account/link/passkey/finish/post.md)

---

[API](https://skmtc.dev/blockmatic/apis/basilic-api.md) · [All operations](https://skmtc.dev/blockmatic/apis/basilic-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/blockmatic/basilic-api/revisions/ed96d2ba8c2c/schema)