
Register to Vote
Vote.org
Say Yay
HelloVote
Votedash
Register to vote and receive free Bitcoin or Ethereum π°

Postio.co.uk
Ideal postcodes
Fetchify
Smarty
Data8 UK
ZIP Code API
Data8 UK PredictiveAddress
The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | btc18.org | postaldatapi.com |
| Pricing | β | |
| Company | β | Startup from the United States Β· 1 - 9 employees Β· 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of BTC18 yet.
PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate β $0.000028 per query with no tiers or subscriptions. What you get back: Up to 18 metadata fields per postal code β city, state/region, coordinates,...
What each product offers, as listed by its team.


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PostalDataPI Now Returns 18 Fields Per Postal Code β for 240+ Countries
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How often each product is chosen within a category, 0β100% relative to the other.


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Register to vote in 30 seconds by scanning your ID πΊπΈ
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Fast UK address, email & phone validation APIs for developers. Official Royal Mail PAF data. Pay as you go, 100 free lookups.
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We help businesses improve UX and data quality with a cutting edge address validation service.
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Fetchify delivers fast, accurate address, email, phone and bank validation tools that help businesses capture clean, verified customer data, reduce failed deliveries and improve checkout experiences worldwide.
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