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

Firebase
Parse
Supabase
Vercel
Azure Mobile Apps
AWS Lambda
aws-cli
JavaScript library for app development using cloud services

Which is more popular?
Based on our record, AWS Amplify seems to be more popular. It has been mentioned 5 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 | aws.amazon.com |
| 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 AWS Amplify 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
No analysis of AWS Amplify yet.
Walkthroughs and reviews on video.
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Firebase vs AWS Amplify
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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 AWS Amplify. 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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Amazon Web Services (AWS) Amplify is a comprehensive development platform designed to provide the tools necessary to build scalable mobile and web applications. AWS Amplify offers a suite of services that mirror many...
AWS Amplify packs several tools in the Amazon ecosystem to allow you to build full-stack web and mobile apps in hours.
This article briefly introduces you to "What is AWS Amplify." All aspects of AWS Amplify, including its features, integrations, pricing models, benefits, and drawbacks, will be explored in detail by the end of this...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
I migrated to AWS Amplify so I didn't have to manage CDK and could have preview environments. - Source: dev.to / 4 months ago
Across years of AWS projects, I kept running into the same wiring. Client work, side projects, internal tools: the same Lambda + DynamoDB + AppSync + Cognito shapes, written out by hand every time. I liked how simple Amplify made this.... - Source: dev.to / 7 months ago
So far our high level architecture diagram wasn't very impressive - we only used AWS Amplify service to host our web application. Of course there are many services under the hood like Route 53, CloudFront, Certificate Manager, Lambda and... - Source: dev.to / over 1 year ago
When comparing ZIP Code API and AWS Amplify, 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 AWS Amplify:

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Compare Firebase to ZIP Code API or AWS Amplify:

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

Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.
Compare Parse to ZIP Code API or AWS Amplify:

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