List health

Reports that the flag engine is serving.

GET /v1/flag/health

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Address	`https://api.hanzo.ai/v1/flag/health`
Method	`GET`
Operation	`get_flag_health`
Auth	`Authorization: Bearer $HANZO_API_KEY`

Reports that the flag engine is serving. It is not gated: liveness must be probe-able without a token.

Request

GET /v1/flag/health takes no parameters and no body — the credential is the whole request.

Response

Status	Body	Meaning
`200`	flag.healthOut	ok
`default`	problem-details	refused

200 body — 2 fields.

Field	In	Type	Always	Description
`engine`	body	string	—	Engine names the evaluator this deployment runs.
`ok`	body	boolean	—	OK is true whenever the flag engine is serving.

Failure carries the platform error shape — see Errors.

Examples

CLI

SDK

HTTP

MCP

hanzo flag health

.ts

.py

.go

.rs

.java

import { Configuration, FlagApi } from 'hanzoai';

const api = new FlagApi(new Configuration({ accessToken: process.env.HANZO_API_KEY }));
const { data } = await api.getFlagHealth();

from hanzoai.cloud import ApiClient, Configuration
from hanzoai.cloud.api import FlagApi

client = ApiClient(Configuration(access_token=os.environ["HANZO_API_KEY"]))
result = FlagApi(client).get_flag_health()

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

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

use hanzo_client::apis::{configuration::Configuration, flag_api};

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

let result = flag_api::get_flag_health(&cfg, Default::default()).await?;

import ai.hanzo.cloud.ApiClient;
import ai.hanzo.cloud.api.FlagApi;

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

var result = new FlagApi(client).getFlagHealth();

curl https://api.hanzo.ai/v1/flag/health \
  -H "Authorization: Bearer $HANZO_API_KEY"

Tool flag, op get_flag_health — 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": "flag",
         "arguments": {
           "op": "get_flag_health",
           "input": {}
         }
       }
     }'

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