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

BitPay
NOWPayments
CoinGate
Coinbase
Toshi
MyEtherWallet
Exodus.io
Payment gateway providing buy now buttons, shopping carts, and more to accept Bitcoin, Litecoin, and other cryptocurrencies/altcoins on your website/online store.

Which is more popular?
Based on our record, CoinPayments seems to be more popular. It has been mentioned 28 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 | coinpayments.net |
| Pricing | — | |
| 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 CoinPayments yet.
What each product offers, as listed by its team.

Possible disadvantages
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
CoinPayments is recommended for small to medium-sized businesses, freelancers, and online merchants who wish to accept a variety of cryptocurrencies without dealing with the complexity of running a full node. It's also suitable for users seeking an easy-to-use platform that provides auxiliary services like wallets and currency conversion.
Walkthroughs and reviews on video.
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Coinpayments - how to use a Coinpayments account!
More videos
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and CoinPayments. 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
– Point-of-Sale Solutions: CoinPayments’ point-of-sale solutions empower brick-and-mortar businesses to accept cryptocurrencies seamlessly. From retail stores to cafes, merchants can leverage CoinPayments’ POS...
CoinPayments has been working in the industry since 2013 and is now one of the most preferred payment gateways. It serves as a digital payment platform in more than 200 countries and helps users to make payments in...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
I traced the transaction and the receiver of the bitcoin is very likely a client of the exchanges Binance with deposit address 12btBTaJ6bNqeaMjMEZWtqLmQdXbwrKy6y and of coinpayments with deposit address 3Drg7n1RxqfTXPAf3yz9HghwVuR3v8CZtp. Source: over 3 years ago
I'm looking right now at coinpayments.net and mixpay.me both are looking nice but I never had an opportunity to use any of them either as a customer or seller. If anyone has trusted easy to use solution with the WordPress plugin I would... Source: over 3 years ago
CoinPayments -- 25% Transaction Fees For 5 Years -- https://coinpayments.net -- Cryptocurrency. Source: over 4 years ago
When comparing ZIP Code API and CoinPayments, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Bitcoin payment gateway. Enterprise-grade solutions, from the pioneer of bitcoin payments.
Compare BitPay to ZIP Code API or CoinPayments:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to ZIP Code API or CoinPayments:

NOWPayments is a crypto payment gateway that supports more than 300 cryptocurrencies, including fiat, and offers simple tools to accept crypto payments, like a crypto payments API, plugins, invoices.
Compare NOWPayments to ZIP Code API or CoinPayments:

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

CoinGate is a payment gateway for Bitcoin, XRP, Litecoin, Ethereum and 50 other cryptocurrencies.
Compare CoinGate to ZIP Code API or CoinPayments: