# Revoke an API access token {#top}

**Destructive** · `DELETE /v1/access-tokens/{token_id}` · MCP tool `revoke-access-token`

Revokes one of your access tokens, by the `token_id` that `issue-access-token` returned. The next call that uses the token is refused, and the revocation is permanent. If the token is not yours or does not exist, the answer is `revoked: false`. You need to be signed in with a session to revoke a token.

Roles that can call it: `viewer`, `builder`, `deployer`.

## Parameters

| Name | In | Required | Description |
|---|---|---|---|
| `token_id` | path | yes | The token ID that `issue-access-token` returned |

## Returns

A JSON object with these keys: `revoked`, `token_id`, `login`, `guarantee`, `caller_authenticated`.

## Example request

```sh
curl -X DELETE https://api.tarsana.io/v1/access-tokens/67e94a06c977c24c \
  -H "X-Tarsana-Session: $SESSION"
```

## Example response

```json
{
  "revoked": true,
  "token_id": "67e94a06c977c24c",
  "login": "you@example.com",
  "guarantee": "namespaces are separated, callers are not authenticated",
  "caller_authenticated": false
}
```

## Errors

| Code | HTTP | What it means |
|---|---|---|
| [`invalid_parameter`](/api/errors#invalid_parameter) | 400 | A value in your request does not have the expected format, for example a submission ID that is not a spec hash. Check the value against the field's description and try again. |
| [`unauthenticated`](/api/errors#unauthenticated) | 401 | Your request has no credential, or one that Tarsana does not recognise. Sign in with `login`, or send a valid access token. |
| [`forbidden`](/api/errors#forbidden) | 403 | Your role does not allow this operation. The response names the roles that do; ask for a credential with one of them. |
| [`rate_limited`](/api/errors#rate_limited) | 429 | You sent too many requests in a short time. Wait for the number of seconds in `retry_after_seconds`, then try again. |
| [`surface_fault`](/api/errors#surface_fault) | 500 | Something went wrong on our side. Try again later, and contact Tarsana support if it keeps happening. |