# Create check

URL: https://docs.hanzo.ai/docs/openapi/o11y/authzcheck

> Evaluates a batch of transactions — relation plus object — for the authenticated caller and answers each with its authorization verdict, in the order they were asked.

`POST /v1/o11y/authz/check`

> [O11y →](https://docs.hanzo.ai/docs/openapi/o11y) · [All API references →](https://docs.hanzo.ai/docs/openapi) · [Get started →](https://docs.hanzo.ai/docs/guides)

|               |                                            |
| ------------- | ------------------------------------------ |
| **Address**   | `https://api.hanzo.ai/v1/o11y/authz/check` |
| **Method**    | `POST`                                     |
| **Operation** | `AuthzCheck`                               |
| **Auth**      | `Authorization: Bearer $HANZO_API_KEY`     |

Evaluates a batch of transactions — relation plus object — for
the authenticated caller and answers each with its authorization verdict, in
the order they were asked. It is the read a UI uses to decide which controls
to show.

## Request

6 fields, body `application/json` (required).

| Field                     | In   | Type                 | Required | Description                                                                |
| ------------------------- | ---- | -------------------- | -------- | -------------------------------------------------------------------------- |
| `[].object`               | body | o11y.O11yObject      | —        |                                                                            |
| `[].object.resource`      | body | o11y.O11yResourceRef | —        |                                                                            |
| `[].object.resource.kind` | body | string               | —        | Kind is the resource kind the type belongs to.                             |
| `[].object.resource.type` | body | string               | —        | Type is the resource type, e.g. role, dashboard, serviceaccount.           |
| `[].object.selector`      | body | string               | —        | Selector picks the instance — an FGA object string, wildcard allowed.      |
| `[].relation`             | body | string               | —        | Relation is the verb being asked about, e.g. read, create, update, delete. |

## Response

| Status    | Body              | Meaning           |
| --------- | ----------------- | ----------------- |
| `200`     | o11y.O11yCheckOut | ok                |
| `202`     | Approval          | held for approval |
| `default` | problem-details   | refused           |

`200` body — 9 fields.

| Field                         | In   | Type                          | Always | Description                                                           |
| ----------------------------- | ---- | ----------------------------- | ------ | --------------------------------------------------------------------- |
| `data`                        | body | o11y.O11yTransactionResult\[] | —      | Data holds the verdicts.                                              |
| `data[].authorized`           | body | boolean                       | —      | Authorized says whether the caller may do it.                         |
| `data[].object`               | body | o11y.O11yObject               | —      |                                                                       |
| `data[].object.resource`      | body | o11y.O11yResourceRef          | —      |                                                                       |
| `data[].object.resource.kind` | body | string                        | —      | Kind is the resource kind the type belongs to.                        |
| `data[].object.resource.type` | body | string                        | —      | Type is the resource type, e.g. role, dashboard, serviceaccount.      |
| `data[].object.selector`      | body | string                        | —      | Selector picks the instance — an FGA object string, wildcard allowed. |
| `data[].relation`             | body | string                        | —      | Relation is the verb that was asked about.                            |
| `status`                      | body | string                        | —      | Status is "success".                                                  |

Failure carries the platform error shape — see [Errors](https://docs.hanzo.ai/docs/errors).

## Examples

**CLI**

```bash
hanzo o11y authz check
```

**SDK**

**.ts**

```ts
import { Configuration, O11yApi } from 'hanzoai';

const api = new O11yApi(new Configuration({ accessToken: process.env.HANZO_API_KEY }));
const { data } = await api.authzCheck();
```

**.py**

```python
from hanzoai.cloud import ApiClient, Configuration
from hanzoai.cloud.api import O11yApi

client = ApiClient(Configuration(access_token=os.environ["HANZO_API_KEY"]))
result = O11yApi(client).authz_check()
```

**.go**

```go
cfg := hanzoai.NewConfiguration()
cfg.AddDefaultHeader("Authorization", "Bearer "+os.Getenv("HANZO_API_KEY"))
client := hanzoai.NewAPIClient(cfg)

resp, _, err := client.O11yAPI.AuthzCheck(context.Background()).Execute()
if err != nil {
	return err
}
```

**.rs**

```rust
use hanzo_client::apis::{configuration::Configuration, o11y_api};

let mut cfg = Configuration::new();
cfg.bearer_access_token = std::env::var("HANZO_API_KEY").ok();

let result = o11y_api::authz_check(&cfg, Default::default()).await?;
```

**.java**

```java
import ai.hanzo.cloud.ApiClient;
import ai.hanzo.cloud.api.O11yApi;

ApiClient client = new ApiClient();
client.setBearerToken(System.getenv("HANZO_API_KEY"));

var result = new O11yApi(client).authzCheck();
```

**HTTP**

```bash
curl -X POST https://api.hanzo.ai/v1/o11y/authz/check \
  -H "Authorization: Bearer $HANZO_API_KEY"
```

**MCP**

Tool `o11y`, op `AuthzCheck` — POST the JSON-RPC envelope to `https://api.hanzo.ai/v1/mcp`.

```bash
curl -X POST https://api.hanzo.ai/v1/mcp \
  -H "Authorization: Bearer $HANZO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
       "jsonrpc": "2.0",
       "id": 1,
       "method": "tools/call",
       "params": {
         "name": "o11y",
         "arguments": {
           "op": "AuthzCheck",
           "input": {}
         }
       }
     }'
```

---

[O11y API](https://docs.hanzo.ai/docs/openapi/o11y) · [All Hanzo APIs](https://docs.hanzo.ai/docs/openapi) · [Interactive reference](https://docs.hanzo.ai/docs/openapi/reference)