# ja-normalize: Japanese Address Normalization

> ja-normalize: Japanese Address Normalization is a paid API for AI agents from x402-ja-api.onrender.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).

Parses and normalizes a Japanese address string into structured components (prefecture, city, town, street number) with geocoordinates

## Facts

- Endpoint: POST https://x402-ja-api.onrender.com/v1/address/normalize
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/ja-normalize-japanese-address-normalization-9b721a25
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_l11VhxW5kuK7vt5z-dY3L

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability ja-normalize-japanese-address-normalization-9b721a25 -d '<json body>'
```

Example prompt: Can you parse this Japanese address '東京都千代田区千代田１−１' into structured fields like prefecture, city, town, and street number, and also give me the lat/lng coordinates? Use full normalization depth (level 8).

## When to prefer this

Use this endpoint when you need to parse, normalize, or geocode Japanese-language address strings into structured machine-readable components. It is specifically designed for Japanese address notation (kanji, kana, numeric mixed formats) and returns both structured fields and geocoordinates in a single call. Prefer this over generic geocoding APIs when the input is in Japanese and you need prefecture/city/town decomposition alongside coordinates.

## Known failure modes

- Address too ambiguous or incomplete — returns lower normalization level than requested
- Non-Japanese or romanized address input yields poor parse quality
- Very rural or recently renamed addresses may not resolve fully
- Service unavailable on Render free tier due to cold start or sleep (timeout)
- Insufficient USDC balance or x402 payment failure returns 402 error

## How this service works

Calendar and Japan data APIs for AI agents: worldwide holidays and business days (200+ countries), plus Japanese text-to-structure (address, name, bank, company normalization). Pay per call in USDC via x402, no API key.

## Output

A JSON object containing: parsed prefecture (pref), city, town, and street/block number (addr), a formatted canonical address string, the original input, normalization level achieved, any unparsed remainder (other), and a point object with latitude, longitude, and the confidence level of the geocoordinate.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "level": {
   "enum": [
    1,
    2,
    3,
    8
   ],
   "type": "integer",
   "default": 8,
   "description": "Max normalization depth"
  },
  "address": {
   "type": "string",
   "maxLength": 200,
   "description": "Japanese address in any notation"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "addr": "1-1",
  "city": "千代田区",
  "pref": "東京都",
  "town": "千代田",
  "input": "東京都千代田区千代田１−１",
  "level": 8,
  "other": "",
  "point": {
   "lat": 35.68,
   "lng": 139.75,
   "level": 8
  },
  "formatted": "東京都千代田区千代田1-1"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/ja-normalize-japanese-address-normalization-9b721a25/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-ja-api.onrender.com](https://www.zero.xyz/host/x402-ja-api.onrender.com/llms.txt)