
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.

TaxBit
VaultNow
CoinIQ
Request Finance
Cryptio
My Crypto Coin Hub
TokenTax
Unlock the benefits of holding digital assets with the first finance platform designed specifically to manage cryptocurrency tax, accounting, and compliance.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | postaldatapi.com | bitwave.io |
| Pricing | — | |
| Company | Startup from the United States · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate — $0.000028 per query with no tiers or subscriptions. What you get back: Up to 18 metadata fields per postal code — city, state/region, coordinates,...
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PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
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There is a reason why many prefer Bitwave for their crypto taxes. Ahead of Koinly, Bitwave empowers businesses to streamline their back office operations through its out-of-the-box features that simplify workflow...
When comparing PostalDataPI and Bitwave.io, you can also consider the following products.

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We help businesses improve UX and data quality with a cutting edge address validation service.
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All-in-one crypto finance platform for companies that run on stablecoins. Invoicing, payouts, treasury, budgets and AML — the whole money path in one non-custodial system. No banking friction, no spreadsheet reconciliation.
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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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CoinIQ offers unified portfolio management for crypto investors with advanced analytics, anomaly detection, and AI insights. Connect multiple wallets and exchanges to see your entire portfolio in one platform.
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