Discover / api.jpverify.com

Japan Postal Lookup

□ No challenge detected

Japanese postal-code lookup and reverse lookup. Keywords: Japanese postal lookup, Japan Post postal code, postal code reverse lookup, 日本郵便番号検索. Use a postal code or prefecture/city/ward/town components against the local Japan Post snapshot. / 通过邮编或都道府县、市区町村、区、町名字段，在本地 Japan Post 数据中进行日本邮编反查。

x402
Base
USDC

Listed price: $0.001
Challenge detected: 0 of the last check
Last checked: 14 Oct, 18:06 UTC
In our index since: 14 Oct 2026

Endpoint

curl -i https://api.jpverify.com/jp-address/postal-lookup
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.jpverify.com

Recent checks

14 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.14 Oct 2026

All 1 checks

When (UTC)	Result	HTTP	Response
14 Oct, 18:06 UTC	No challenge detected	405	583ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 14 Oct, 18:06 UTC, we detected no payment challenge.

What price is recorded for Japan Postal Lookup?

Its listed price is $0.001.

What payment terms does Japan Postal Lookup advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Japan Postal Lookup listed?

In x402 Bazaar. Superstables first indexed it on 14 Oct 2026.

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