List filter keys

Returns the distinct label keys present in a rule's history entries over the selected range, for building history filters.

GET /v1/o11y/rules/{id}/history/filter_keys

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Address	`https://api.hanzo.ai/v1/o11y/rules/{id}/history/filter_keys`
Method	`GET`
Operation	`GetRuleHistoryFilterKeys`
Auth	`Authorization: Bearer $HANZO_API_KEY`

Returns the distinct label keys present in a rule's history entries over the selected range, for building history filters. Viewer gate.

Request

5 fields.

Field	In	Type	Required	Description
`id`	path	string	yes
`startUnixMilli`	query	integer	—	StartUnixMilli is the window start, unix milliseconds.
`endUnixMilli`	query	integer	—	EndUnixMilli is the window end, unix milliseconds.
`searchText`	query	string	—	SearchText narrows the keys to those containing it.
`limit`	query	integer	—	Limit caps how many keys come back.

Response

Status	Body	Meaning
`200`	o11y.O11yRuleHistoryFilterKeysOut	ok
`202`	Approval	held for approval
`default`	problem-details	refused

200 body — 11 fields.

Field	In	Type	Always	Description
`data`	body	o11y.GettableFieldKeys	—
`data.complete`	body	boolean	—
`data.keys`	body	object	—
`data.keys.*`	body	o11y.TelemetryFieldKey[]	—
`data.keys.*[].description`	body	string	—
`data.keys.*[].fieldContext`	body	any	—
`data.keys.*[].fieldDataType`	body	any	—
`data.keys.*[].name`	body	string	yes
`data.keys.*[].signal`	body	any	—
`data.keys.*[].unit`	body	string	—
`status`	body	string	—	Status is "success".

Failure carries the platform error shape — see Errors.

Examples

CLI

SDK

HTTP

MCP

hanzo o11y rules history filter_keys <id>

.ts

.py

.go

.rs

.java

import { Configuration, O11yApi } from 'hanzoai';

const api = new O11yApi(new Configuration({ accessToken: process.env.HANZO_API_KEY }));
const { data } = await api.getRuleHistoryFilterKeys({ id: 'id' });

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).get_rule_history_filter_keys(id='id')

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

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

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::get_rule_history_filter_keys(&cfg, Default::default()).await?;

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).getRuleHistoryFilterKeys();

curl https://api.hanzo.ai/v1/o11y/rules/<id>/history/filter_keys \
  -H "Authorization: Bearer $HANZO_API_KEY"

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

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": "GetRuleHistoryFilterKeys",
           "input": {
             "id": "<id>"
           }
         }
       }
     }'

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