---
title: "Revoke a registered passkey"
method: DELETE
path: "/api/v1/subjects/{subject_id}/passkeys/{passkey_id}"
tags: ["canonical"]
---

# Revoke a registered passkey

`DELETE /api/v1/subjects/{subject_id}/passkeys/{passkey_id}`

## Request

- Base URL: `https://app.graypass.org` (the document declares no server; this is the origin it was published from)
- URL: `https://app.graypass.org/api/v1/subjects/{subject_id}/passkeys/{passkey_id}`
- Auth: HTTP bearer

Remove a subject passkey from eligibility for future GrayPass action challenges.

## Path parameters

- `subject_id` string, required
- `passkey_id` string, required

## Response `204`

Passkey revocation completed; the 204 response has no body.

## Other responses

- `422`: The canonical handler returns a Problem for invalid input; correct the request before retrying.

---

[API](https://skmtc.dev/graypass/apis/graypass-api.md) - [All operations](https://skmtc.dev/graypass/apis/graypass-api/llms.txt) - [OpenAPI document](https://skmtc.dev/graypass/apis/graypass-api/revisions/5f9ab64fdfdb?raw)