---
title: "Finalizes a device's OPAQUE Registration."
method: POST
path: "/OPAQUE/RegisterFinalize"
tags: ["OPAQUE"]
---

# Finalizes a device's OPAQUE Registration.

`POST /OPAQUE/RegisterFinalize`

## Request

- Base URL: `https://api.pishock.com`
- URL: `https://api.pishock.com/OPAQUE/RegisterFinalize`
- Auth: one of:
  - API key in header `X-PiShock-Token`
  - API key in header `X-PiShock-UserId`
  - API key in header `X-PiShock-Server-Key`
  - API key in header `X-PiShock-Api-Key`

This method requires OPAQUE parameters, registration record, and MacAddr

## Request body

- OPAQUERegisterFinalizeRequest: Request for OPAQUE registration.
  - `RegisterRecord` string: Public registration record from the client.
  - `MacAddr` string: MAC Address of the device.

## Response `204`

Registration Complete.

## Other responses

- `400`: Invalid registration record or device.
- `417`: Registration not started.
- `503`: OPAQUE Registration failed.

## Changes

- **2026-11-10** `6398a6a65c40`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/pishock/apis/pishock-public-api-v1/changes/OPAQUE/RegisterFinalize/post.md)

---

[API](https://skmtc.dev/pishock/apis/pishock-public-api-v1.md) - [All operations](https://skmtc.dev/pishock/apis/pishock-public-api-v1/llms.txt) - [OpenAPI document](https://skmtc.dev/pishock/apis/pishock-public-api-v1/revisions/6398a6a65c40?raw)