> ## Documentation Index
> Fetch the complete documentation index at: https://docs.blnkfinance.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Revoke API key
> How to revoke and delete an API key.
export const CtaCallout = props => {
const {title, buttonLabel, href, trackingEvent, buttonTarget, rel = "noopener noreferrer", children} = props;
const handleCtaClick = () => {
if (typeof window === "undefined" || !trackingEvent) {
return;
}
try {
window.dispatchEvent(new CustomEvent("blnk:docs-cta", {
detail: {
name: trackingEvent,
href
}
}));
} catch {}
try {
window.posthog?.capture?.(trackingEvent, {
href
});
} catch {}
const gaPayload = {
cta_href: href
};
try {
window.gtag?.("event", trackingEvent, gaPayload);
} catch {}
try {
window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
event: trackingEvent,
...gaPayload
});
} catch {}
};
const isExternal = typeof href === "string" && (/^https?:\/\//i).test(href);
const target = buttonTarget ?? (isExternal ? "_blank" : undefined);
const linkRel = isExternal ? rel : undefined;
return ;
};
Use this endpoint to revoke unused or expired API keys to maintain good security hygiene.
Revoking an API key immediately revokes access, so ensure you update your applications with a new API key before revoking the old one.
Available on version 0.10.1 or later. Requires the master key or an API key with `api-keys:delete` scope.
If you're using the auto-provisioned `Enterprise Core` instance included with your Production License deployment, set the base URL to: `https://ENTERPRISE_PUBLIC_URL/core`.
If you're connecting to a different Core instance, use the publicly accessible base URL for that instance instead.
### Authorization
If set, the API uses an API key for authentication. Include the following header in your requests: `X-blnk-key: `.
Replace `` with your secret API key. Ensure the key is kept secure and not exposed in public repositories or client-side code.
See also: [Scoped API keys](/api-keys/overview) and [Secure your Blnk server](/advanced/secure-blnk).
### Path Parameters
The unique identifier of the API key to revoke.
### Query Parameters
Unique identifier of the owner whose key you want to revoke.
### Response
Returns 204 No Content upon successful revocation.
```json theme={"system"}
curl -X DELETE "http://localhost:5001/api-keys/?owner=owner_id" \
-H "X-blnk-key: "
```
```json 204 theme={"system"}
{}
```
```json 404 theme={"system"}
{
"error": "API key not found",
"error_detail": {
"code": "APIKEY_NOT_FOUND",
"message": "API key not found"
}
}
```
## Need help?
We are very happy to help you make the most of Blnk, regardless of whether it is your first time or you are switching from another tool.
To ask questions or discuss issues, please [contact us](mailto:support@blnkfinance.com) or [join our Discord community](https://discord.gg/7WNv94zPpx).
Sign up and manage your ledger with our back-office dashboard. You can invite teammates to collaborate and manage your ledger operations directly from the dashboard.