Town-level Japan Post evidence for buyer agents
Town-level Japan Post evidence for buyer agents. Returns MATCHED, AMBIGUOUS, CONFLICT, or NOT_FOUND with ordered candidates, provenance, limitations, and the next safe input action.
20000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-08
updated
Provider
chappy-japan-address-preflight.pre23964wb.workers.dev · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x2a997f68413B58766264bF10747e8700c8D59053",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"maxTimeoutSeconds": 120
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"postal_code": "1000001",
"raw_address": "東京都千代田区千代田1-1",
"use_case": "delivery"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"candidate_count": 1,
"decision": "MATCHED",
"decision_scope": "JAPAN_POST_POSTAL_TO_TOWN_CONSISTENCY_ONLY",
"ok": true,
"postal_code": "1000001",
"reason_codes": [
"UNIQUE_TOWN_LEVEL_MATCH"
],
"recommended_action": "CONTINUE_WITH_EXTERNAL_CHECKS"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"postal_code": {
"description": "Japanese seven-digit postal code; full-width digits and common hyphens are accepted",
"type": "string"
},
"raw_address": {
"description": "Japanese address text to compare at the town level",
"maxLength": 512,
"minLength": 2,
"type": "string"
},
"use_case": {
"enum": [
"delivery",
"visit",
"vendor_onboarding",
"form_submission"
],
"type": "string"
}
},
"required": [
"postal_code",
"raw_address",
"use_case"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"payment-identifier": {
"info": {
"required": true
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"type": "object"
}
}
}Use it
curl
curl "https://chappy-japan-address-preflight.pre23964wb.workers.dev/v1/jp/address/preflight" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://chappy-japan-address-preflight.pre23964wb.workers.dev/v1/jp/address/preflight");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://chappy-japan-address-preflight.pre23964wb.workers.dev/v1/jp/address/preflight")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/9104.json, and this resource appears in /discovery/resources and /discovery/search.