# Delete span mappers

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

> Deletes one mapper from a group.

`DELETE /v1/o11y/span_mapper_groups/{groupId}/span_mappers/{mapperId}`

> [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/span_mapper_groups/{groupId}/span_mappers/{mapperId}` |
| **Method**    | `DELETE`                                                                            |
| **Operation** | `DeleteSpanMapper`                                                                  |
| **Auth**      | `Authorization: Bearer $HANZO_API_KEY`                                              |

Deletes one mapper from a group.

Callers need the admin role; the runtime's own gate enforces it.

## Request

2 fields.

| Field      | In   | Type   | Required | Description |
| ---------- | ---- | ------ | -------- | ----------- |
| `groupId`  | path | string | yes      |             |
| `mapperId` | path | string | yes      |             |

## Response

| Status    | Body            | Meaning           |
| --------- | --------------- | ----------------- |
| `202`     | Approval        | held for approval |
| `204`     | —               | no content        |
| `default` | problem-details | refused           |

`202` body — 3 fields.

| Field    | In   | Type   | Always | Description |
| -------- | ---- | ------ | ------ | ----------- |
| `clause` | body | string | —      |             |
| `reason` | body | string | —      |             |
| `status` | body | string | —      |             |

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

## Examples

**CLI**

```bash
hanzo o11y span_mapper_groups span_mappers rm <groupId> <mapperId>
```

**SDK**

**.ts**

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

const api = new O11yApi(new Configuration({ accessToken: process.env.HANZO_API_KEY }));
const { data } = await api.deleteSpanMapper({ groupId: 'groupId', mapperId: 'mapperId' });
```

**.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).delete_span_mapper(group_id='groupId', mapper_id='mapperId')
```

**.go**

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

resp, _, err := client.O11yAPI.DeleteSpanMapper(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::delete_span_mapper(&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).deleteSpanMapper();
```

**HTTP**

```bash
curl -X DELETE https://api.hanzo.ai/v1/o11y/span_mapper_groups/<groupId>/span_mappers/<mapperId> \
  -H "Authorization: Bearer $HANZO_API_KEY"
```

**MCP**

Tool `o11y`, op `DeleteSpanMapper` — 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": "DeleteSpanMapper",
           "input": {
             "groupId": "<groupId>",
             "mapperId": "<mapperId>"
           }
         }
       }
     }'
```

---

[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)