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Local Life & Business
zipcloud
Download Japanese postal code data and add postal code lookup to your app
zzipcloud.ibsnet.co.jpNo site preview yet
What it does
- Download Japan Post postal code data as ZIP files, including a processed version that cleans common address-field issues.
- Use the postal code lookup API in an application and subscribe to email notices when the dataset changes.
Made for
Who is it for?
For developers and site operators building address forms or maintaining postal data for Japan.
Top alternatives
Compare features, prices, and free plans
| Tool | Price | What's free | Best for |
|---|---|---|---|
| zzipcloud | Check site for pricing | Check the official site for details | Download Japanese postal code data and add postal code lookup to your app |
| LLandBankSearch | From $19/mo | The map and listing details are free, with 1 saved search and a weekly digest; Pro offers a 7-day trial. | Search US land-bank homes and lots on a map |
| SSalvageAlert | From $22.37/mo | Alert plans include a 7-day free trial; TrustMRR lists Starter at EUR 19.99 per month. | Monitor US and Canadian salvage auctions with saved-search alerts |
| 888finder | $13.34 one-time | Search without a usage limit for free, with full farm listings and contacts behind a paid plan; a season pass costs AUD 19 once for 6 months of access. | Find Australian farm jobs and organize your working-holiday workdays |
Prices and free limits can change. Check the official site for the latest details.
The business behind the tool
What should you build next?
See what tools earn, how crowded the market is, and how long a solo build might take. Get a build, wait, or skip verdict, with lessons from successes and failures.
These are sample assessments, not final recommendations. We don't guess at missing revenue, traffic, or build times.
Monthly recurring revenue (USD)
Not availableData as of Oct 24, 2026Launched
Not availableData as of Oct 24, 2026Founders
Not availableData as of Oct 24, 2026Worth building? Look at the evidence
Higher is better (out of 5)Demand Estimate
Trends, anchor-relative interest, and growth are unavailable; 5 unique suggestion long tails. Demand is estimated only from suggestion count.
1/5
Revenue evidence
Not available
Room to compete
Not available
Edge over free options Estimate
The first 10 returned results for “japanese postal code lookup free” contain 5 confirmed sufficient free tools, deduplicated by domain: yamada-tools.jp, post.japanpost.jp, lp-api.da.pf.japanpost.jp, moklav.co.jp, tools.digrart.jp; 1 tools remain unknown. In this category, 4/8 (50.0%) are free/freemium and 1 have unknown pricing; this Codex search sample is not a live Google ranking.
1/5
Can you build it solo? Estimate
Preliminary assessment: Conversion, cleaning, and query APIs for public postal code data can be implemented with a small program, while handling address anomalies and synchronizing updates require maintenance.
4/5
Finding customers Estimate
Preliminary assessment: Japanese postal code lookup APIs, postal code data downloads, and address autofill have clear regional demand keywords.
5/5
Willingness to pay Estimate
Preliminary assessment: Business websites need to reduce address entry and data maintenance costs, but this input does not demonstrate that users will pay for basic lookups.
3/5
Higher scores mean better prospects. These are sample assessments, not investment advice.