# Create entry point operations

URL: https://docs.hanzo.ai/docs/openapi/o11y/post-o11y-service-entry-point-operations

> Returns one service's entry-point operations with the same latency and error profile topOperations reports.

`POST /v1/o11y/service/entry_point_operations`

> [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/service/entry_point_operations` |
| **Method**    | `POST`                                                        |
| **Operation** | `post_o11y_service_entry_point_operations`                    |
| **Auth**      | `Authorization: Bearer $HANZO_API_KEY`                        |

Returns one service's entry-point operations with the
same latency and error profile topOperations reports.

## Request

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

| Field                 | In   | Type                   | Required | Description                                                            |
| --------------------- | ---- | ---------------------- | -------- | ---------------------------------------------------------------------- |
| `end`                 | body | string                 | —        | End is the window's end, epoch nanoseconds as a string.                |
| `limit`               | body | integer (int64)        | —        | Limit caps how many operations come back.                              |
| `service`             | body | string                 | —        | Service is the service whose operations are read.                      |
| `start`               | body | string                 | —        | Start is the window's start, epoch nanoseconds as a string.            |
| `tags`                | body | o11y.O11yServiceTag\[] | —        | Tags narrow the spans counted, each a span-attribute predicate.        |
| `tags[].BoolValues`   | body | boolean\[]             | —        | BoolValues are the boolean operands, when the attribute is a bool.     |
| `tags[].Key`          | body | string                 | —        | Key is the span attribute to test.                                     |
| `tags[].NumberValues` | body | number (double)\[]     | —        | NumberValues are the numeric operands, when the attribute is a number. |
| `tags[].Operator`     | body | string                 | —        | Operator is how to test it, e.g. in, not\_in.                          |
| `tags[].StringValues` | body | string\[]              | —        | StringValues are the string operands, when the attribute is a string.  |
| `tags[].TagType`      | body | string                 | —        | TagType says which plane the attribute lives on, e.g. tag or resource. |

## Response

| Status    | Body                   | Meaning           |
| --------- | ---------------------- | ----------------- |
| `200`     | o11y.O11yOperationsOut | ok                |
| `202`     | Approval               | held for approval |
| `default` | problem-details        | refused           |

`200` body — 8 fields.

| Field               | In   | Type                  | Always | Description                                      |
| ------------------- | ---- | --------------------- | ------ | ------------------------------------------------ |
| `data`              | body | o11y.O11yOperation\[] | —      | Data holds one entry per operation.              |
| `data[].errorCount` | body | integer (uint64)      | —      | ErrorCount is how many of those runs errored.    |
| `data[].name`       | body | string                | —      | Name is the operation (span name).               |
| `data[].numCalls`   | body | integer (uint64)      | —      | NumCalls is how many times it ran in the window. |
| `data[].p50`        | body | number (double)       | —      | P50 is its median latency, nanoseconds.          |
| `data[].p95`        | body | number (double)       | —      | P95 is its p95 latency, nanoseconds.             |
| `data[].p99`        | body | number (double)       | —      | P99 is its p99 latency, nanoseconds.             |
| `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 service entry_point_operations
```

**SDK**

**.ts**

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

const api = new O11yApi(new Configuration({ accessToken: process.env.HANZO_API_KEY }));
const { data } = await api.postO11yServiceEntryPointOperations({ end: "<end>", limit: 0 });
```

**.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).post_o11y_service_entry_point_operations(end="<end>", limit=0)
```

**.go**

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

resp, _, err := client.O11yAPI.PostO11yServiceEntryPointOperations(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::post_o11y_service_entry_point_operations(&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).postO11yServiceEntryPointOperations();
```

**HTTP**

```bash
curl -X POST https://api.hanzo.ai/v1/o11y/service/entry_point_operations \
  -H "Authorization: Bearer $HANZO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
       "end": "<end>",
       "limit": 0
     }'
```

**MCP**

MCP reaches **o11y** through the `o11y` tool, which names its 307 operations with its own verbs — this one among them, under a name only MCP declares. `describe` explains any of them:

```bash
curl -X POST https://api.hanzo.ai/v1/mcp \
  -H "Content-Type: application/json" \
  -d '{
       "jsonrpc": "2.0",
       "id": 1,
       "method": "tools/call",
       "params": {
         "name": "describe",
         "arguments": {
           "op": "list_o11y_autocomplete_aggregate_attributes"
         }
       }
     }'
```

---

[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)