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

CoinTracker
CoinTracking
Coinpanda
CryptoTrader.Tax
Accointing
CoinLedger
Blockpit
Koinly is the easiest way to monitor your crypto activity & file your taxes.
Which is more popular?
Based on our record, Koinly seems to be more popular. It has been mentioned 306 times since March 2021.
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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|---|---|---|
| Website | zip-codes.com | koinly.io |
| Pricing | — | |
| Company | Startup from the United States · 2026 | Startup from the United Kingdom · 2018 |
| 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...
Koinly is a cryptocurrency calculator trusted by crypto investors in over 20 countries. Koinly integrates with 700+ exchanges, blockchains, and wallets to give investors an easy and accurate way to track their crypto transactions in one place. From here, Koinly calculates the total capital gains...
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Ripple’s Shareholder SBI Invest in QIWI. Ripple Unleashes 1B XRP. Koinly to Add Support for XRP!
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Share your experience with using ZIP Code API and Koinly. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

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The automated data import is available via either an API exchange connection or by adding cryptocurrency wallet addresses. Data on margin trading, futures trading, staking, lending and DeFi can also be imported. An...
Koinly has a very generous free subscription that permits up to 10,000 transactions with lots of additional features. It supports the usual FIFO, LIFO, average cost basis, etc., for tax accountancy.
As the name suggests, CryptoTax Calculator provides easy-to-understand tax calculations with customizable rules to support your unique tax needs. CryptoTax Calculator is an excellent Koinly substitute that does a...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Every transaction you make with crypto is a taxable event. Even buying something with your bitcoin is a taxable event. So instead of looking at your balance, you have to look at each and every transaction and see how much you paid for... Source: almost 3 years ago
Https://koinly.io/ is a popular recommendation here in Denmark. Denmark may have the worst possible taxation for crypto: every time you sell, use or convert your crypto, that's an event where you have to calculate your gains or losses.... - Source: Hacker News / almost 3 years ago
-is it possible to track swaps and trades I'm making in defi via koinly.io or another tax tracking provider? I want to take advantage of long term capital gains vs short term whenever possible. Source: over 3 years ago
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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