Software Alternatives, Accelerators & Startups

usZIPCodes.org VS IP-API.com

Compare usZIPCodes.org VS IP-API.com and see what are their differences

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usZIPCodes.org logo usZIPCodes.org

Use our free ZIP Code Analysis Tool to find city, state, county, population, and timezone details for any U.S. ZIP code. Fast, accurate, and privacy-safe lookup.

IP-API.com logo IP-API.com

Free IP Geolocation API - lookup any IP address
  • usZIPCodes.org Zip Code Analysis Tool
    Zip Code Analysis Tool //
    2025-12-27

ZIP Code Analysis Tool is a web-based application that allows users to search any US ZIP code and instantly view detailed location-based data. The tool provides accurate information including city, state, county, latitude, longitude, and population statistics. It is designed for researchers, marketers, businesses, and individuals who need quick and reliable ZIP code insights without any custom setup or consultation.

  • IP-API.com Landing page
    Landing page //
    2019-11-26

A simple to integrate Geolocation API that provides information about your users, either directly from a browser or device, or from any of your servers.

Provides data such as City, Region, Postal code, Country, Continent, Coordinates, Timezone, Currency, Organization, ISP, AS, if they are using a mobile network, or an anonymous proxy/VPN.

Works with IPv4, IPv6 or hostnames. Supports batch requests with up to 100 queries per HTTP request.

The free version requires no sign up or keys, and it's limited to 45 HTTP requests per minute from an IP address. Non-commercial use only.

The pro service includes more features such as SLA for 99.9% of monthly uptime, a dashboard with usage statistics, up to 10 API keys (customizable with restrictions), and more.

usZIPCodes.org

Pricing URL
-
$ Details
free
Platforms
Desktop Mobile Laptop Tablet Mac
Release Date
2025 October
Startup details
Country
India
State
Maharashtra
City
Mumbai

IP-API.com

Website
ip-api.com
$ Details
freemium โ‚ฌ15.0 / Monthly (Unlimited queries, SLA, Commercial Use)
Platforms
REST API
Release Date
2012 January

usZIPCodes.org features and specs

  • Instant lookup
    Quickly retrieve location and demographic information by ZIP code.
  • Comprehensive details
    City, state, county, coordinates, population estimates, and timezone.
  • No registration
    Free to use, with unlimited searches for personal or professional use.
  • Mobile friendly
    Works across desktops, tablets, and smartphones.
  • Developer friendly
    Simple outputs that can be integrated into workflows or applications.

IP-API.com features and specs

  • Comprehensive Data
    IP-API.com provides extensive information such as country, region, city, latitude, longitude, ISP, and more, which can be useful for various applications like geolocation, analytics, and security.
  • Ease of Use
    The API is straightforward to use, with a simple HTTP GET request format that returns data in popular formats like JSON, XML, and CSV.
  • High Accuracy
    IP-API.com is known for its high accuracy in identifying geographic locations based on IP addresses, which is critical for applications requiring precise geolocation.
  • Free Tier
    The service offers a free tier with a generous limit of up to 45 requests per minute, making it accessible for small projects and testing purposes.
  • Scalable
    IP-API.com provides commercial plans that offer higher request limits and additional features, allowing users to scale their usage as needed.
  • No API Key Required for Free Tier
    Users can access the free tier without needing an API key, which simplifies the setup process and reduces initial friction for new users.

Possible disadvantages of IP-API.com

  • Rate Limits
    The free tier is limited to 45 requests per minute, which might not be sufficient for high-volume applications.
  • Data Privacy
    Storing and processing IP data can raise privacy concerns, especially in regions with strict data protection laws like GDPR in the EU.
  • Dependence on Third-Party Service
    Relying on an external API means your application is dependent on their uptime and performance. Any downtime or issues with IP-API.com can impact your application.
  • Limited to IP Geolocation
    The service is highly specialized for IP geolocation and does not provide broader functionalities that might be offered by more comprehensive data service providers.
  • No Batch Processing in Free Tier
    Batch processing of multiple IP addresses in a single request is not available in the free tier, which can make handling large datasets more cumbersome.
  • Paid Plans Required for Advanced Features
    To access higher rate limits and additional features, users must subscribe to paid plans, which can be a limitation for budget-conscious projects.

Analysis of usZIPCodes.org

Overall verdict

  • usZIPCodes.org is a useful free reference tool for quickly looking up ZIP codes, city and state information across the United States, making it a solid choice for basic geographic and postal lookups.

Why this product is good

  • Provides free and easy access to ZIP code data for locations across the U.S.
  • Offers quick search functionality to find ZIP codes by city, state, or address
  • Includes supplementary geographic details such as county, area codes, and time zones
  • Useful for verifying addresses and postal information without requiring registration

Recommended for

  • Individuals needing to quickly find a ZIP code for mailing or shipping
  • Small businesses verifying customer addresses or service areas
  • Students and researchers looking up basic U.S. geographic and postal data
  • E-commerce sellers confirming delivery locations and shipping zones

Analysis of IP-API.com

Overall verdict

  • IP-API.com is considered a good choice for those looking for a dependable, efficient, and well-documented geolocation and IP information service. Its combination of accurate data, ease of use, and flexible pricing makes it suitable for a variety of applications.

Why this product is good

  • IP-API.com offers a reliable and fast API service for geolocation and IP information. It is widely used because of its straightforward and easy-to-use interface, providing accurate data such as location, country, region, city, zip code, latitude, longitude, timezone, ISP, and more. The service supports both free and paid plans, with the paid tier offering higher request limits and priority support. Additionally, the documentation is well-maintained, making it easy for developers to integrate the API into their applications.

Recommended for

  • Developers looking for a quick and efficient geolocation API integration.
  • Businesses that need reliable IP data services for fraud prevention.
  • Organizations seeking geographic analytics to enhance user engagement.
  • Websites or applications that require IP-based personalization features.

Category Popularity

0-100% (relative to usZIPCodes.org and IP-API.com)
Zip Lookup
100 100%
0% 0
IP Data
0 0%
100% 100
Developer Tools
100 100%
0% 0
IP Geolocation
0 0%
100% 100

Questions & Answers

As answered by people managing usZIPCodes.org and IP-API.com.

What makes your product unique?

usZIPCodes.org's answer

Their ability to translate simple postal codes into sophisticated geographic insights for a wide range of business and research applications beyond their original mail delivery purpose.

What's the story behind your product?

usZIPCodes.org's answer

The "story" behind the concept of a "ZIP Code analysis tool" is not about a single specific software product, but rather the evolution of the ZIP Code itself from a simple postal sorting mechanism into a powerful, multifaceted geographic data analysis unit used across many industries.

User comments

Share your experience with using usZIPCodes.org and IP-API.com. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, IP-API.com seems to be more popular. It has been mentiond 34 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

usZIPCodes.org mentions (0)

We have not tracked any mentions of usZIPCodes.org yet. Tracking of usZIPCodes.org recommendations started around Dec 2025.

IP-API.com mentions (34)

  • Hurl vs Postman: Git-Friendly API Testing With Proxy-Aware Egress (2026)
    Free public geo APIs do not love datacenter traffic. My first instinct was to use ip-api.com โ€” itโ€™s the go-to for โ€œwhat country is this IPโ€ lookups and has a generous free tier. Hooked it up, ran the direct profile, got a clean response. Then I ran it through the Bright Data proxies I had (these) and got a HTTP 402. Turns out ip-api.comโ€™s free tier detects any datacenter egress and refuses to serve it. The proxy... - Source: dev.to / about 2 months ago
  • I Built a Threat Intelligence Tool That Maps Malicious IPs in Real Time
    The original version used http://ip-api.com โ€” plain HTTP. On a cloud server, that traffic is unencrypted and could be intercepted and spoofed. I switched to https://ipinfo.io which supports HTTPS on the free tier. - Source: dev.to / 5 months ago
  • MongoDB equivalent to FOR UPDATE SKIP LOCKED
    In this example, I'll process messages based on their originating IP address. Multiple threads will enrich them with location data fetched from the public API at https://ip-api.com/. - Source: dev.to / 7 months ago
  • A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
    Ip-api โ€” IP Geolocation API, Free for non-commercial use, no API key required, limited to 45 req/minute from the same IP address for the free plan. - Source: dev.to / over 2 years ago
  • Using Whoer IP Checker in 2023
    The Language may be different: You can check up the [Set language based on IP], and make the system automatically set up the browser language according to the IP that you set up. Mismatch of DNS or system time: We recommend you to replace the proxy IP and start the operation. Or you can enter the site https://ip-api.com for verification. Source: over 2 years ago
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What are some alternatives?

When comparing usZIPCodes.org and IP-API.com, you can also consider the following products

ZipCheckup - Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.

ipinfo.io - Simple IP address information.

ZIP Code API - 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

ipapi - Web analytics with IP address lookup and location API

Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.

ipgeolocation.io - Free IP Geolocation API and Accurate GeoIP Lookup Location Database