Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

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.
|
ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | bitwave.io |
| Company | Startup from the United States · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
No description of Bitwave.io yet.
What each product offers, as listed by its team.

No features have been listed yet.
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Bitwave.io. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

We have no reviews of ZIP Code API yet. Be the first one to post
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 ZIP Code API and Bitwave.io, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Compare Smarty to ZIP Code API or Bitwave.io:

TaxBit is an advanced intelligence-based platform that allows getting the detailed overview of tax reports by interacting with digital cryptocurrency rates like Bitcoin, Ethereum, BlockFi, Coinbase, Gemini, and many more with easy-to-use exchanging …
Compare TaxBit to ZIP Code API or Bitwave.io:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to ZIP Code API or Bitwave.io:

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.
Compare VaultNow to ZIP Code API or Bitwave.io:

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to ZIP Code API or Bitwave.io:

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.
Compare CoinIQ to ZIP Code API or Bitwave.io: