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

PayPal
PayPal Braintree
Stripe
Payoneer
Amazon Pay
Razorpay
Stripe Connect
Payment gateway enables internet merchants to accept online payments via credit card and e-check.

Which is more popular?
Based on our record, Authorize.net seems to be more popular. It has been mentioned 100 times since March 2021.
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | authorize.net |
| Pricing | — | |
| Company | Startup from the United States · 2026 | Startup from the United States |
| 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 Authorize.net 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
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PayPal VS Stripe VS Authorize.net?
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Authorize.net. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
I think magento use to come standard with a plugin for authorize.net, but either way I need the official plugin (if one is still maintained) to connect magento2 to authorize.net for payments. Source: almost 3 years ago
I have a form which can accept payments. The form is hosted by jotform which puts the payment information (collected by an authorize.net widget) into JSON and sends it into my database. Source: over 3 years ago
Your local bank likely offers them and they can eb tied to authorize.net, or NMI perhaps. They should be able to help you through that entire process depending on how the accounts get onboarded. Askl your local coffee shop and etc where... Source: over 3 years ago
When comparing ZIP Code API and Authorize.net, 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 Authorize.net:

PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
Compare PayPal to ZIP Code API or Authorize.net:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to ZIP Code API or Authorize.net:

An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.
Compare PayPal Braintree to ZIP Code API or Authorize.net:

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

Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
Compare Stripe to ZIP Code API or Authorize.net: