
Bright Data
Decodo
Oxylabs
NetNut.io
ASocks
SOAX
Proxy-Seller
Proxy Infrastructure Built for Scale and Speed
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
Which is more popular?
Based on our record, IPRoyal seems to be more popular. It has been mentioned 2 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 | iproyal.com | zip-codes.com |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

IPRoyal is a proxy provider offering residential, ISP, datacenter, and mobile proxies to enterprises and SMBs. Its proxies integrate with common business tools and workflows, helping teams run data operations at scale. IPRoyal supports a wide range of business activities, including web scraping,...
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...
What each product offers, as listed by its team.

An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
IPRoyal might be a good fit for businesses or individuals needing affordable and varied proxy options for tasks such as web scraping, market research, social media management, or online anonymity. It is particularly recommended for those who prioritize budget-friendly services and can handle occasional service variabilities.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Everything You Need to Know About IPRoyal Residential Proxies
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How often each product is chosen within a category, 0–100% relative to the other.

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

To make the traffic look residential, we routed through a residential proxy. This produced the single most confusing error of the build: ERR_PROXY_AUTH_UNSUPPORTED on every HTTPS request. - Source: dev.to / 5 months ago
Iproyal Residential proxy network consists of real IP addresses from real users, making sure you never get detected or blocked. There’s no sharing of any kind, so your proxy is available only to you. Pick between sticky (up to 24... Source: over 3 years ago
Tracking ZIP Code API since May 2026.
When comparing IPRoyal and ZIP Code API, you can also consider the following products.

World's largest proxy service with a residential proxy network of 72M IPs worldwide and proxy management interface for zero coding.
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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Decodo is perhaps the most user-friendly way to access local data anywhere. It has global coverage with 195 locations, offers more than 55M residential proxies worldwide and a great deal of scraping solutions.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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A web intelligence collection platform and premium proxy provider, enabling companies of all sizes to utilize the power of big data.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to IPRoyal or ZIP Code API: