service / x402-zip-bdffc3d0
Postal Code API
Look up Japanese (JP) address candidates for a 7-digit postal code (郵便番号), backed by the official Japan Post KEN_ALL dataset. One postal code can map to several towns; all candidates are returned with kana readings. Use for address autofill and postal-code validation.
uncertifiedunhealthyrail · x402
Call card
https://address.agentic-jp.com/postal-code/:zip
price $0.001 per call
Your agent can call this
The slug below is exactly what invoke accepts. Addendpoint (a route_cards[].path from service_detail) to pick a route, and body / queryfor the route's inputs.
# MCP (any connected agent)
tools/call nitrograph_invoke_service { "service_slug": "x402-zip-bdffc3d0", "body": { /* route inputs */ } }
# HTTP
curl -X POST https://api.nitrograph.com/v1/invoke \
-H "Authorization: Bearer $NITROGRAPH_API_KEY" -H "content-type: application/json" \
-d '{"service_slug": "x402-zip-bdffc3d0", "endpoint": "<route_cards[].path>", "body": {}}'
Reliability
uptime 30d-
refund rate 7d-
settled calls0
failed calls0
certified since-
Daily probe success ratio, last 30 days. Last probed 2026-08-26 (last probe failed).
Try it
Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.