
ZIP Code API
ZipCheckup
PostalCodes.info
Smarty
Geocode.xyz
Geoco.io
getAddress.io
Free Zip Code API - Free Postal Code Validation | Zipcodestack

Fast.com
Testmy.net
SpeedOf.Me
Speed Test by Cloudflare
OpenSpeedTest
LibreSpeed
nPerf
Test your Internet connection bandwidth to locations around the world with this interactive broadband speed test from Ookla
Which is more popular?
Based on our record, Speedtest.net seems to be a lot more popular than Zipcodestack. While we know about 2939 links to Speedtest.net, we've tracked only 3 mentions of Zipcodestack.
Website, pricing, platforms and company facts side by side.
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| Website | zipcodestack.com | speedtest.net |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from the United States |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
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
Individuals who want to check their internet speed quickly and easily, IT professionals who need to diagnose network issues, developers who require speed testing integration into their applications, and businesses that need consistent and reliable network performance assessment.
How often each product is chosen within a category, 0–100% relative to the other.


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


Using the zipcodestack API in your Node.js application is straightforward. You’ll first need to sign up for a free API key (it only takes a minute). Once you have your API key, you can call the REST endpoints using any HTTP client. Below... - Source: dev.to / about 1 year ago
Zipcodestack - Free Zip Code API and Postal Code Validation. Ten thousand free requests/month. - Source: dev.to / over 2 years ago
I have seen this request pop up quite a few times. I did a quick search for free APIs of zipcode lookups. This one, named "zipcodestack" (I'm not in any way tied to, endorsing, or promoting them) seemed like a pretty good resource with... Source: over 3 years ago
Seems plenty fast enough to me. I have an old phone. I'm on one of the cheapest plans. I ran a speed test with https://speedtest.net and I got 124 megabits per second. That's 15 megabytes per second, 900 megabytes per minute, which is... - Source: Hacker News / about 1 month ago
Pro tip: Run a speed test immediately before the event. Don't trust your "up to 100 Mbps" ISP claim. Use fast.com or speedtest.net to get real numbers. - Source: dev.to / 8 months ago
For starters, disconnect all wireless devices (or just your wireless router if it’s separate from your modem). Hardwire your modem to a computer and use Ookla Speedtest instead of Spectrum’s. Source: almost 3 years ago
When comparing Zipcodestack and Speedtest.net, you can also consider the following products.
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
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Quickly test your internet speed with this fast-loading speed test powered by Netflix.
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Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.
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Accurately test your Internet connection speed with this powerful broadband speed test. Improve your bandwidth speed with the truth.
Compare Testmy.net to Zipcodestack or Speedtest.net:
Postal code lookup API and downloadable country datasets for address validation, checkout, logistics and geocoding workflows.
Compare PostalCodes.info to Zipcodestack or Speedtest.net:

SpeedOf.Me is an HTML5 Internet speed test. No Flash or Java needed!
Compare SpeedOf.Me to Zipcodestack or Speedtest.net: